Magazine Index


In addition to the projects, reviews, articles, and features detailed below, each issue contains...

August 2008 Purchase this issue
PROJECTS AND CIRCUITS

Four Channel A/V Switch by Jim Rowe
Select one of four S-video or composite video sources plus audio

DC Relay Switch by John Clarke
Control high current loads with a few milliamps

Temperature Switch by John Clarke and Julian Edgar
A cheap general purpose design that can work up to 245 Deg C

Mains Monitor by John Becker
Keep track of electricity use in your house

Ingenuity Unlimited
Universal Ding-Dong; 10V to 12V LED Voltmeter

July 2008 Purchase this issue
PROJECTS AND CIRCUITS

PIC MIDI Wave Sound Generator by Mike Rainbow
A wavetable synthesis music generation source

Universal High-Energy LED Lighting System - Part 2 by John Clarke and Julian Edgar
Construction plus a Luxeon-powered spotlight

Galactic Voice by John Clarke
Develop an instant tapport with Droids, Cyclons, Klingons and Daleks

Ingenuity Unlimited
Plug n' Play; Temperature Drift Monitoring

June 2008 Purchase this issue
PROJECTS AND CIRCUITS

Universal High-Energy LED Lighting System - Part 1 by John Clark & Julian Edgar
An incredibly versatile Luxeon LED lighting system - easy dimming flashing and automatic switch off

Starship Enterprise Door Sounder  by Jim Rowe
A project especially for 'Trekkies'

Mini Theremin - Part 2 by John Clarke
A unique and versatile electronic musical instrument

Monopoly Money by Dave Geary
See if you can do a better job than Wall Street

Ingenuity Unlimited Sharing your ideas with others

SERIES AND FEATURES

Techno-Talk by Mark Nelson
Pirate Parts

Practically Speaking by Robert Penfold
Ground and Earth Loops

Teach-In 2008 Part 9 by John Becker
Watchdog Timer, Sleep and Interrupts, plus simple value converter

Circuit Surgery– by Ian Bell
MAX8596X LED driver IC

PIC n' Mix– by Mike Hibbett
Microcontroller I/O port expansion

Net Work – by Alan Winstanley
A fishy experience in the home

April 2008 Purchase this issue
PROJECTS AND CIRCUITS

A PC-Controlled Burglar Alarm System - Part 1 by Trent Jackson
Fancy a full-featured alarm control panel with dialer capabilities?

Studio Series - Remote Control Module by Peter Smith
If you’ve built our preamp described in February 2008, then this
project is a must-have addition.

PIC In-Circuit Programming Add-On by Keith Anderson
Does your PIC programmer have provision for in-circuit programming?

MIDI Activity Detector by David Clarke
If you build, repair or regularly set up MIDI (Musical Instrument Digital Interface) systems, you need this easy-to-use, ‘quick-check’ gadget!

SERIES AND FEATURES

Techno-Talk by Mark Nelson
Light Pipes and Peashooters

PIC N’ Mix by Mike Hibbett
Real Time Clocks

Circuit Surgery by Ian Bell
Current source

Practically Speaking by Robert Penfold
Electronic components jargon

Teach-In 2008 Part 6 by John Becker
24-Hour clock, frequency generation and data EEPROM

Net Work – The Internet page surfed by Alan Winstanley
A full 8 Megs

March 2008 Purchase this issue
PROJECTS AND CIRCUITS

Flourescent Tube Driver by John Ellis
Provides fluorescent lighting from a 6V rechargable battery. Ideal for emergency, camping and no-mains lighting applications

Studio Series - Stereo Headphone Amplifierby Peter Smith
A top-class headphone amp that can drive high or low impedance ‘phones to full power levels, with very low noise and distortion

Multi Throttle Control for PC Flight Simulatorsby Robert Gott
Build this simple controller and start flying with the big boys

MIDI Drum Kit - Part 4 by John Clarke
The software...and driving it!

SERIES AND FEATURES

Techno-Talk by Mark Nelson
Strange Bedfellows

PIC N’ Mix by Mike Hibbett
Checksums and CRC checks

Circuit Surgery by Ian Bell
Current source

Colossus and Pico
The world’s first programmable electronic computer reborn

Practically Speaking by Robert Penfold
Electronic components jargon

Teach-In 2008 Part 5 by John Becker
Introduction to timers, BCD counting and equality checking

Net Work – The Internet page surfed by Alan Winstanley
A fine mashup; I’ll vouch for that


February 2008 Purchase this issue
PROJECTS AND CIRCUITS

Electrosmog Sniffer by Thomas Scarborough
Read Most EMFs!

Studio Series - Stereo Preamplifierby Peter Smith
A Superb Preamplifier For The Audio Enthusiast!

Low-Cost intercooler Water Spray Controllerby Julien Edgar
A cheap but sophisticated way of controlling a turbo car intercooler water spray

MIDI Drum Kit - Part 3 by John Clarke
Building the sensors and stand

Ingenuity Unlimited Sharing your ideas with others
Infared Proximity Switch

SERIES AND FEATURES

Techno-Talk by Mark Nelson
Tales of Putrefaction

PIC N’ Mix by Mike Hibbett
Static LCDs and PICs

Circuit Surgery by Ian Bell
Concluding our discussion of SPICE simulation

Colossus and Pico
The world’s first programmable electronic computer reborn

InterFace by Robert Penfold
Shaping up with Visual BASIC 2008 Express Edition

Teach-In 2008 Part 4 by John Becker
Using alphanumeric LCDs under PIC control

Net Work – The Internet page surfed by Alan Winstanley
All-in-one search results; Viral vouchers


January 2008 Purchase this issue
PROJECTS AND CIRCUITS

Serial I/O Controller & Analogue Sampler by Trent Jackson
Looking for an easy-to-drive I/O controller?

PIC Carillonby John Becker
Ding-Dong Merrily on High, or Lower!

Phone/Fax Missed Call Allert by Jim Rowe
Detect incoming calls on your phone or fax

MIDI Drum Kit - Part 2 by John Clarke
Putting it all together

Ingenuity Unlimited Sharing your ideas with others
Automatic PSU Control

SERIES AND FEATURES

Techno-Talk by Mark Nelson
Older But Wiser

PIC N’ Mix by Mike Hibbett
Writing to Flash

Circuit Surgery by Ian Bell
More on SPICE simulation - difficulties

The Power of Mechatronics – Part 6 by Colin Greaves
A simple approach to RF networking

Practically Speaking by Robert Penfold
Selecting and buying components for projects

Teach-In 2008 Part 3 by John Becker
Using PIC Microcontrollers – More PIC control concepts, plus multiplexing

Net Work – The Internet page surfed by Alan Winstanley
Word's hidden depths; cracking the IE defenders


December 2007 Purchase this issue
PROJECTS AND CIRCUITS

MIDI Drum Kit- Part 1 by John Clarke
Drums without the skins

PIC Speech Synthesiser by John Becker
PIC-generated speech for PIC projects

Build a charger for your iPOD or MP3 player by John Clarke
Charge from a mains plug-pack or a car battery

AVR ISP SocketBoard by Peter Smith
Supports dual-in-line AVR micros

SERIES AND FEATURES

Techno-Talk by Mark Nelson
Mother Knows Best

PIC N’ Mix by Mike Hibbett
Display Menus

Circuit Surgery by Ian Bell
More on SPICE simulation

Protecting Your Designs and Copyright by Sara Ludlam
Are you being copied? Can you stop copycats? If so, how?

Interface by Robert Penfold
Visual Basic 6 – Is it time to move on?

Teach-In 2008 – Using PIC Microcontrollers Part 2 by John Becker
Programme basic commands, plus simple LED control

Net Work – The Internet page surfed by Alan Winstanley
Keeping your word


November 2007 Purchase this issue
PROJECTS AND CIRCUITS

Vehicle Multi-Voltage Monitor by John Clarke
Monitors voltages and sensor signals in a car

Inductance & Q-Factor Meter - Part 2by Leonid Lerner
A wide range multi-frequency inductance and Q-factor meter

USB Electrocardiograph by Jim Rowe
Displays ECG on a PC

Experiementer's Audio System by Stef Niewiadomski
Audio preamp, filters, power amplifier and power supply for radio experimenters

SERIES AND FEATURES

Techno-Talk by Mark Nelson
Witricity: Is Tesla’s Dream Coming True?

PIC N’ Mix by Mike Hibbett
Using Flowcharts

Circuit Surgery by Ian Bell
Inductor size and SPICE simulation

The Power of Mechatronics – Part 6 by Colin Greaves
A simple approach to RF networking

Practically Speaking by Robert Penfold
Static charge vulnerability

Teach-In 2008 Part 1 by John Becker
Using PIC Microcontrollers – Introduction

Net Work – The Internet page surfed by Alan Winstanley
Anti-virus trials and tribulations

IFA Electronics Show Berlin Barry Fox Reports


October 2007 Purchase this issue
PROJECTS AND CIRCUITS

V8 Doorbell by John Clarke
Sounds like a real V8 engine

Inductance & Q-Factor Meter by Leonid Lerner
A wide range multi-frequency inductance and Q-factor meter

Standby Power Saver by John Becker
Remotely turns off appliances in standby mode

Build Your Own Siesmograph by Dave Dobeson
Display ‘tremors’on a PC

Ingenuity Unlimited – Sharing your ideas with others
Monitoring PSU output current and voltage

SERIES AND FEATURES

Techno-Talk by Mark Nelson
Keeping The Lights On

PIC N’ Mix by Mike Hibbett
More on 1-wire protocol

Circuit Surgery by Ian Bell
Regulator stability and switch bounce

The Power of Mechatronics – Part 5 by Ian Pearson
A New Dimension

InterFace by Robert Penfold
Setting Parallel Port Outputs to Inputs

Banning the Bulb by Dave Geary
An analysis of low energy bulbs

Net Work – The Internet page surfed by Alan Winstanley
At Your Service


September 2007 Purchase this issue
PROJECTS AND CIRCUITS

V2 PC Scope – Part 2 by John Becker
A PIC and PC controlled hobbyist oscilloscope

Pocket TENS by John Clarke
First steps in broadband

Flexitimer by Jim Rowe
Multipurpose easy-to-programme timer

USB Breakout Box by Stan Swan
Check you are not overloading the USB port

Ingenuity Unlimited – Sharing your ideas with others
Measuring Colour Temperature

SERIES AND FEATURES

Techno-Talk by Mark Nelson
Two Cheers For Eco-Lamps

PIC N’ Mix by Mike Hibbett
Single-wire communication protocol interface for PICs

Circuit Surgery by Ian Bell
Linear Voltage Regulators and Capacitors – Part 3

The Power of Mechatronics – Part 4 by Darren Wenn
Adding Speech To Your Application

Practically Speaking by Robert Penfold
The Techniques of Actually Doing It!

Using MPLAB – Part 4 by Mike Hibbett
Relocatable Development

Net Work – The Internet page surfed by Alan Winstanley
At Your Service


August 2007 Purchase this issue
PROJECTS AND CIRCUITS

V2 PC Scope – Part 1 by John Becker
A PIC and PC controlled hobbyist oscilloscope

RFID Security module by Peter Smith
Contactless ‘key’ system

TwinTen Stereo Amplifier by Jim Rowe and Peter Smith
Easy-to-build, with surprising performance

Printer Port Hardware Simulator by Jim Rowe
Tests printers and other peripherals without a PC

Ingenuity Unlimited – Sharing your ideas with others
Atmospheric Change Monitor

SERIES AND FEATURES

Techno-Talk by Mark Nelson
Two Birds With One Stone

PIC N’ Mix by Mike Hibbett
Starting a new PIC project – some guidance

Circuit Surgery by Ian Bell
Linear Voltage Regulators and Capacitors – Part 2

The Power of Mechatronics – Part 3 by Darren Wenn
Stepping Up a Gear

Interface by Robert Penfold
Problems of Setting Parallel Port Outputs to Inputs

Using MPLAB – Part 3 by Mike Hibbett
Debugging

Net Work – The Internet page surfed by Alan Winstanley
Virtually there; Street wise

E-Blocks and FlowCode 3 - Reviewed by Robert Penfold


July 2007 Purchase this issue
PROJECTS AND CIRCUITS

Lead-Acid Battery Zapper by Jim Rowe
Extend the working life of liquid-electrolyte lead-acid batteries

Video Reading Aid by Jim Rowe
Displays enlarged text on a TV or video monitor

MiniCal 5V Meter Calibration Standard by Barry Hubble
How accurate is your digital multimeter? Plus a frequency reference

Ingenuity Unlimited – Sharing your ideas with others
Micropower Call Monitor, 10V to 15V Battery Voltmeter

Digi-Flash Slave by Terry de Vaux-Balbirnie
Professional possibilities for your digital camera!

SERIES AND FEATURES

Techno-Talk by Mark Nelson
Every Little Helps?

PIC N’ Mix by Mike Hibbett
All about PIC special features

Circuit Surgery by Ian Bell
Linear Voltage Regulators and Capacitors – Part One

The Power of Mechatronics – 2 by Darren Wenn
Controlling Motors

Practically Speaking by Robert Penfold
Semiconductor identification

Using MPLAB – Part 2 by Mike Hibbett
Initial Stages of Program Writing

Net Work – The Internet page surfed by Alan Winstanley
Impressive service, Blog your log today


June 2007 Purchase this issue
PROJECTS AND CIRCUITS

3V to 9V DC-DC Converter by Peter Smith
TNever buy another 9V battery

Bat Sonar by Thomas Scarborough
Listen to the sounds of bats, plus an ultrasonic sonar

A Poor Man's Q-Meterby Maurie Findlay, MIEAust
Simple circuit ro measure inductanceand 'Q'

Ingenuity Unlimited – Sharing your ideas with others
Mobile Phone Switch: Ding-Dong Doorbell

Energy Meter - Part 2 by John Clarke
Control your power costs

SERIES AND FEATURES

Techno-Talk by Mark Nelson
Sea Change In Electronics

PIC N’ Mix by Mike Hibbett
Reviewing Microchip’s PICkit2

Circuit Surgery by Ian Bell
Step-up Converters Using Transformers

The Power of Mechatronics – 1
Mechatronics Design

Interface by Robert Penfold
More On Windows Vista Compatibility

Using MPLAB – Part by Mike Hibbett
An introduction to MPLAB

Net Work – The Internet page surfed by Alan Winstanley
A Fistful of Dollars


May 2007 Purchase this issue
PROJECTS AND CIRCUITS

SMS Controller – Add-Ons by Peter Smith
Three external circuits for the SMS Controller: Test jig; PIR sensor and a low battery alarm

Energy Meter – Part 1 by John Clarke
Control your power costs

Caravan Lights Checkby Terry de Vaux-Balbirnie
Are your trailer lights working?

Ingenuity Unlimited – Sharing your ideas with others
Ultra-Regulated LED; Courtesy Light Delay; Pico Prize Winners

Bass Extender by Peter Smith
Pump up the bass response of your speakers

SERIES AND FEATURES

Techno-Talk by Mark Nelson
Leaner and greener

PIC N’ Mix by Mike Hibbett
PICs and ADCs

Circuit Surgery by Ian Bell
Using a 4046 phase-locked loop IC

Visual C Training Course by Robert Penfold
Review of a new product

Practically Speaking by Robert Penfold
Front panel labels

Net Work – The Internet page surfed by Alan Winstanley
Failing memories; Remote backups; Price of restoration


April 2007 Purchase this issue
PROJECTS AND CIRCUITS

SMS Controller – Pt. 2 by Peter Smith
Control equipment from anywhere using SMS and an old Nokia mobile phone

PIC Polyphonium - Part 2 by John Becker
LED display interface

Students’ Amp by Peter Smith
Great sound, inexpensive, easy to build 20W module

Ingenuity Unlimited – Sharing your ideas with others
Wind Speed Monitor

Star Power by Peter Smith
Luxeon Star LED supply that runs off 12V DC, ideal for cars, caravans and boats

SERIES AND FEATURES

Techno-Talk by Mark Nelson
Automotive electronics looks set to change

PIC N’ Mix by Mike Hibbett
PICs and USARTs

Circuit Surgery by Ian Bell
Active current measurement

Visual C Training Course by Robert Penfold
Review of a new product

Interfaceby Robert Penfold
Are your software programs Vista compatible?

Net Work – The Internet page surfed by Alan Winstanley
A failing memory; Biometric memory gets a thumbs up


March 2007 Purchase this issue
PROJECTS AND CIRCUITS

SMS Controller – Pt. 1 by Peter Smith
Control equipment from anywhere using SMS and an old Nokia mobile phone

PIC Polyphonium by John Becker
A polyphonic musical design that’s PC linked, with on-screen musical score

IR Remote checker by Jim Rowe
Test your remote controls with this simple project

Ingenuity Unlimited – Sharing your ideas with others
2-wire LEDs Driver; Switched-Capacitor Sinewave Generator

A Lap Counter for Swimming Pools by John Clarke
If you swim to keep in shape this project will count the lengths

SERIES AND FEATURES

Techno-Talk by Mark Nelson
Watery Wireless

PIC N’ Mix by Mike Hibbett
PIC Timers

Circuit Surgery by Ian Bell
A Brief Guide To Counters

Practically Speakingby Robert Penfold
Hard wiring

Net Work – The Internet page surfed by Alan Winstanley
Internet Explorer 7


February 2007 Purchase this issue
PROJECTS AND CIRCUITS

PIC Digital Geiger Counter by Robert Lane and Steve Thompson
With LCD readout and USB interface

Courtesy Light Delay by John Clarke
Universal circuit fits all vehicles

Programmable Robot by Thomas Scarborough
Bump and respond; random motion; programmable sound; light sensing

Ingenuity Unlimited – Sharing your ideas with others
Alternating LED Flasher

Charger for deep-cycle 12v batteries - Part 2 by John Clarke
A 16A, 3-step PIC controlled design

SERIES AND FEATURES

Techno-Talk by Mark Nelson
Soldering Schadenfreude

PIC N’ Mix by Mike Hibbett
Implementing a software PLL for serious users of PICs – Part 2

Circuit Surgery by Ian Bell
Line level – What it is

Interfaceby Robert Penfold
Improved Visual BASIC controls

Net Work – The Internet page surfed by Alan Winstanley
More Internet Explorer tips; Don’t print it – PDF it! How to shop online smoothly

C for PICs – Part 4 by Mike Hibbett
A practical implementation of using C for USB control of LCDs


January 2007 Purchase this issue
PROJECTS AND CIRCUITS

Balances Microphone Preamp by John Clarke
Suitable for PA, Karaoke and many other applications.

Jumping Spider by Thomas Scarborough
Easy-to-build fun project

High-efficiency Power supply for 1w Luxeon Star LEDs by Peter Smith
Uses a pair of D cells and includes a brightness control

Ingenuity Unlimited – Sharing your ideas with others
A 16A, 3-step PIC controlled design

Charger for deep-cycle 12v batteries - Part 1 by John Clarke
PA logic game to exercise your grey cells

SERIES AND FEATURES

Techno-Talk by Mark Nelson
Lucky Strike?

PIC N’ Mix by Mike Hibbett
Implementing a software PLL for serious users of PICs – Part 1

Circuit Surgery by Ian Bell
Understanding power MOSFETs

Practically Speakingby Robert Penfold
Mounting circuit boards

Net Work – The Internet page surfed by Alan Winstanley
Better Browsing

C for PICs – Part 3 by Mike Hibbett
Cross-compiling a C program


December 2006 Purchase this issue
PROJECTS AND CIRCUITS

USB Power Injector by Jim Rowe
Feeds extra power into the USB line

RGB TO Component Video Converterby Jim Rowe
Get your message across in lights!

QLapel Microphone Adaptor for PA Systemsby John Clarke
Allows electret microphones to be used with PA systems

Ingenuity Unlimited – Sharing your ideas with others
1000-Year Flasher

Mind Trainerby Bart Trepak
PA logic game to exercise your grey cells

SERIES AND FEATURES

Techno-Talk by Mark Nelson
Banned Substances

PIC N’ Mix by Mike Hibbett
More about using MultiMedia Cards with PICs

Circuit Surgery by Ian Bell
Final close-up view of 555 timer circuit formulae

INTERFACEby Robert Penfold
Exploring the graphics capability of Visual Basic 2005 Express

Net Work – The Internet page surfed by Alan Winstanley
Recycle Risks Confirmed; A Better VNC; IP Cameras

C for PICs – Part 2 by Mike Hibbett
Creating Programs


November 2006 Purchase this issue
PROJECTS AND CIRCUITS

Studio 350 Power Amplifier Module - Part 2 by Peter Smith
A really quiet, low distortion power amp with some real grunt

Giant LED Message Displayby John Becker
Get your message across in lights!

Quick Brake by Julian Edgar and John Clarke
Reduces brake light turn-on time by 200ms

Ingenuity Unlimited – Sharing your ideas with others
Disco Light

Micropower Battery Protector by Peter Smith
Protect your expensive batteries with this electronic cut-out

SERIES AND FEATURES

Techno-Talk by Mark Nelson
Day of the RFIDs

PIC N’ Mix by Mike Hibbett
Multimedia cards have serious storage capacity for PIC projects

Circuit Surgery by Ian Bell
More on timing formulae for 555 timers

Practically Speaking by Robert Penfold
Mounting electronic components

Net Work – The Internet page surfed by Alan Winstanley
Route to your network; An easy VNC

C for PICs – Part 1 by Mike Hibbett
Introduction, overview and getting started


October 2006 Purchase this issue
PROJECTS AND CIRCUITS

Studio 350 Power Amplifier Module - Part 1 by Leo Simpson and Peter Smith
A really quiet, low distortion power amp with some real grunt

Fridge Door-Open Alarm by John Clarke
Don’t lose that chill!

Through-Glass Alarm by Godfrey Manning, BSc, MB BS, G4GLM
Deceptively simple with quite amazing output

Ingenuity Unlimited – Sharing your ideas with others
Random Colour Generator, Switch Mode LED Unit

Linear Supply for 1W Star LEDs by Peter Smith
Run and dim one or more Luxeon 1W Star LEDs from 12V DC

SERIES AND FEATURES

Techno-Talk by Mark Nelson
Mushroom Magic and the Quest for Green Volts

PIC N’ Mix by Mike Hibbett
Understanding PIC Datasheets

Circuit Surgery by Ian Bell
Timing Formulae for 555 Timers

Interface by Robert Penfold
More on a Visual Approach to Producing Virtual Controls

Net Work – The Internet page surfed by Alan Winstanley
A Slipped Disk


September 2006 Purchase this issue
PROJECTS AND CIRCUITS

Low-cost 50MHz Frequency Meter by John Clarke
An accurate autoranging design

A Smart Mixture Display for your Car by Julian Edgar & John Clarke
Track your car’s fuel mixtures in real time

Human-powered LED Torches by Julian Edgar
Deceptively simple with quite amazing output

Ingenuity Unlimited – Sharing your ideas with others
Solar Radio

Water Level Gauge by Terry de Vaux Balbirnie
PIC controlled LED torch

SERIES AND FEATURES

Techno-Talk by Mark Nelson
Simply Confused? Or Not So Sure?

PIC N’ Mix by Mike Hibbett
Smart Dust – How small can a PIC get?

Circuit Surgery by Ian Bell
Common Mode Rejection Ratio

TEACH-IN 2006 by Mike Tooley BA
Find out how circuits work and what really goes on inside them
Part 11: Radio, Constructional Project, Teach In 2006 Competition

Practically Speaking by Robert Penfold
Pin-outs; switch and potentiometer connections

Net Work – The Internet page surfed by Alan Winstanley
Webcam Security System


August 2006 Purchase this issue
PROJECTS AND CIRCUITS

Loudspeaker Level Meter by John Clarke
For home theatre and PA set-up

Telephone Dialer for Burgler Alarms by Leon Williams
Dials a preprogrammed number when triggered

Adjustable DC-DC Converter for Cars by John Clarke
Run electronic equipment in your car

Ingenuity Unlimited – Sharing your ideas with others
Adjustable Touch Switch

High Intensity Torch by Gerard Samblancat
PIC controlled LED torch

SERIES AND FEATURES

Techno-Talk by Mark Nelson
Strange But True

PIC N’ Mix by Mike Hibbett
Range checking for more advanced PIC users

Circuit Surgery by Ian Bell
Logic Level Conversion

TEACH-IN 2006 by Mike Tooley BA
Find out how circuits work and what really goes on inside them
Part 10: PIC Microcontrollers and Operational Amplifiers

Interface by Robert Penfold
A Visual Approach to Producing Virtual Controls

Net Work – The Internet page surfed by Alan Winstanley
MSN Messenger


July 2006 Purchase this issue
PROJECTS AND CIRCUITS

PIC Sudoku Unit by John Becker
Hand-held game player and PC puzzle solving software

Digital Instrument Display for Cars Part 2 by John Clarke
Calibration and connection of the unit

Ingenuity Unlimited – Sharing your ideas with others
SMagic Bulb

PC Power Monitor by Jim Rowe
Monitors the main DC power rails in your PC

A Dirt Cheap High Current Bench Supply by Col Hodgson, VK2ZCO
Modify that old PC PSU to give 13·5V at up to 17A

SERIES AND FEATURES

Techno-Talk by Mark Nelson
Terahertz: The Anti-Terrorism Solution

PIC N’ Mix by Mike Hibbett
Multiplexing – A Trick or Two

Circuit Surgery by Ian Bell
Schmitt Trigger Circuits

TEACH-IN 2006 by Mike Tooley BA
Find out how circuits work and what really goes on inside them
Part 9: Bistable Investigation: Microprocessors and Microcontrollers

Practically Speaking by Robert Penfold
Basic project building and soldering problems

Net Work – The Internet page surfed by Alan Winstanley
The Phone Age?


June 2006 Purchase this issue
PROJECTS AND CIRCUITS

Poor Man's Metal Detector by Thomas Scarborough
Just five components give surprisingly good results

Digital Instrument Display for Cars Part 1 by John Clarke
Convert analogue instruments to a digital display

Ingenuity Unlimited – Sharing your ideas with others
Super Vibration Switch, Simple Sonar

Widgy Box Distortion effects for Your Guitar by Peter Smith
Great sounds – cheap and easy to build

Phone Ring and Test by Terry de Vaux-Balbirnie
UK, US and European ring tones, plus a basic test

SERIES AND FEATURES

Techno-Talk by Mark Nelson
The Memory Lingers On

PIC N’ Mix by Mike Hibbett
Random Number Generation

Circuit Surgery by Ian Bell
Op amp Output Capabilities

TEACH-IN 2006 by Mike Tooley BA
Find out how circuits work and what really goes on inside them
Part 8: Digital Electronics: Introducing logic circuits; logic families; logic gates

InterFace by Robert Penfold
PC Interfacing Software

Net Work – The Internet page surfed by Alan Winstanley
VoIP Phones; Video Stars!


May 2006 Purchase this issue
PROJECTS AND CIRCUITS

Digital Reaction Timer by Jim Rowe
Test your reaction times using a digital multimeter

Nail Sniffer & Volts Hound by Edwin Chicken MBE MSc
Two monitors to help you do DIY safely!

Ingenuity Unlimited – Sharing your ideas with others
Automatic Doorbell

LED Lighting for Your Car by Peter Smith
Replace your car’s filament lamps with LEDs for improved safety

Smart Card Reader and Programmer by Peter Smith
WReads and programmes smart cards

SERIES AND FEATURES

Techno-Talk by Mark Nelson
Extreme Electronics

PIC N’ Mix by Mike Hibbett
PIC and Software Reliability

Circuit Surgery by Ian Bell
Driving multiple LEDs

TEACH-IN 2006 by Mike Tooley BA
Find out how circuits work and what really goes on inside them
Part 7: Transistors: Test and Measurement: Meters, Ohmmeters, Oscilloscopes, Waveforms, Distortion and Frequency Response Testing.

Practically Speaking by Robert Penfold
Capacitor types and selection

Net Work – The Internet page surfed by Alan Winstanley
Let’s Start With Skype!


April 2006 Purchase this issue
PROJECTS AND CIRCUITS

A Programmable Continuity Tester by Trent Jackson
An ideal go/no go tester

Omni Pendulum by Thomas Scarborough
A fun design to entertain you

Ingenuity Unlimited – Sharing your ideas with others
Sound Effects Generator

The PortaPAL Public Address Amplifier – Part 2 by John Clarke and Leo Simpson
Building our state of the art design

‘Smart’ Slave Flash Trigger by Jim Rowe
Works with multiple flash “red-eye reduction” cameras

SERIES AND FEATURES

Techno-Talk by Mark Nelson
Funny Facts About The Mains

Consumer Electronics Show by Barry Fox
The 2006 annual CES show in Las Vegas

PIC N’ Mix by Mike Hibbett
Experimenting With Overclocking PICs

Circuit Surgery by Ian Bell
More On Extending PIC Output Capabilities

TEACH-IN 2006 by Mike Tooley BA
Find out how circuits work and what really goes on inside them
Part 6: Transistors: types, operation, and characteristics. Basic concepts of amplifiers: gain, frequency response and bandwidth. Some practical amplifier circuits.

Interfacesurfed by Robert Penfold
Boosting Output Currents

Net Work – The Internet page surfed by Alan Winstanley
It’s Good To Talk; Voice On The Net; Simply Skype

E-Chip review by Robert Penfold
Logic circuits educational system reviewed


March 2006 Purchase this issue
PROJECTS AND CIRCUITS

The Portapal Public Address Amplifier – Part 1 by John Clarke and Leo Simpson
A state of the art 33W RMS design

Ingenuity Unlimited – Sharing your ideas with others
Dog Alert

Telescope Interface by John Becker
Link your Meade telescope with your handheld GPS receiver

Power Up by John Clarke
Turns peripherals on automatically

Video-Audio Booster for Home Theatre by Jim Rowe
Boosts composite, S-Video or component video plus audio signals

SERIES AND FEATURES

Techno-Talk by Mark Nelson
Body Cells

TEACH-IN 2006 by Mike Tooley BA
Find out how circuits work and what really goes on inside them
Part 5: Introducting Magnetism and Inductance, Introducing Inductors, Transformers, Rectifiers and Voltage Regulation

PIC N’ Mix by Mike Hibbett
Using the RS485 protocol for series comms

Net Work – The Internet page surfed by Alan Winstanley
Gone Phishing; Calling ID Toolbar

Practically Speaking by Robert Penfold
More on front panel overlays using a PC

Circuit Surgery by Ian Bell
CShift registers can extend PIC output capabilities


February 2006 Purchase this issue
PROJECTS AND CIRCUITS

A Highly Flexible Keypad Alarm by John Clarke
A stand-alone system for home, office, car etc.

Ingenuity Unlimited – Sharing your ideas with others
Clipping Indicator for the STA7360

An Active 3-Way Crossover for Loudspeaker Systems by Rod Elliot
For those that want the very best from their loudspeaker systems

Staus Monitor by Terry de Vaux-Balbirnie
Is your boiler or freezer still on – remotely monitor them

Jazzy Heart by Thomas Scarborough
A flashing piece of jewellery for the love of your life

SERIES AND FEATURES

Techno-Talk by Mark Nelson
Pronounced Guilty Without Trial

TEACH-IN 2006 by Mike Tooley BA
Find out how circuits work and what really goes on inside them
Part 4: Semiconductors, Introducting Diodes

PIC N’ Mix by Mike Hibbett
Using SPI Bus Devices – Part 2

Net Work – The Internet page surfed by Alan Winstanley
Tried the EPE Chat Zone?

InterFace by Robert Penfold
Improving the input voltage span from an A/D converter

Circuit Surgery by Ian Bell
Connected transistor pairs


January 2006 Purchase this issue
PROJECTS AND CIRCUITS

A "Tiptronic-style" Gear Indicator by John Clarke
Car and motorbike digital indicator

Ingenuity Unlimited – Sharing your ideas with others
A Simple FM Radio

Sunset Switch by John Clarke
On at dusk off when you want

PIC Ambilux by John Becker
Colour changes to ambient temperature

Current Clamp Adaptor for Multimeters by John Clarke
Looking for a current clamp meter that won’t break the bank?

SERIES AND FEATURES

Techno-Talk by Mark Nelson
An XMAX Tale

TEACH-IN 2006 by Mike Tooley BA
Find out how circuits work and what really goes on inside them
Part 3: Capacitance. indroducing Capacitors.

PIC N’ Mix by Mike Hibbett
Using SPI Bus Devices

Net Work – The Internet page surfed by Alan Winstanley
Anti-virus and anti-spam plus Google conversions

Practically Speaking by Robert Penfold
Producing front panel overlays using a computer

Circuit Surgery by Ian Bell
More on gain and impedance calculations


December 2005 Purchase this issue
PROJECTS AND CIRCUITS

Vehicle Frost Box Mk2 by Malcolm Wiles
With winter approaching again, give yourself extra warning of treacherous road conditions

Propeller Monitor by John Becker
Know the power and revolution rate developed by your propeller or motorised model

Ingenuity Unlimited– Sharing your ideas with others
Sharing your ideas with others- Multitone Generator; Electret Mic Tester

Solid-State Hammond by Thomas Scarborough
Add moving spacial ambience to your stereo

Solid-State Valve Power Supply by Stef Niewiadomski
A low voltage converter to supply valve equipment

SERIES AND FEATURES

Techno-Talk by Mark Nelson
The Negroponte Switch

TEACH-IN 2006 by Mike Tooley BA
Find out how circuits work and what really goes on inside them
Part 2: Circuit Diagrams, Series and Parallel Circuits, Basic Measurements, Kirchhoff’s Laws, Power and Energy, Circuit Construction Techniques

PIC N’ Mix by John Becker
How to implement a PIC bootloader

Viewing the Future by Barry Fox
3D TV developments

Net Work – The Internet page surfed by Alan Winstanley
Free virus check

Interface by Robert Penfold
Adding more inputs to an A/D converter

Circuit Surgery by Ian Bell
Gain and impedance calculations


November 2005 Purchase this issue
PROJECTS AND CIRCUITS

Speed Camera Watch Mk2 by Mike Hibbett
Improved early warning and speed alert system

Multi-Function R/C Switch by Ken Ginn
A four-channel switcher for your radio controlled models

Ingenuity Unlimited– Sharing your ideas with others
Sharing your ideas with others Noiseless Switch

PIC Chromatome by John Becker
Colour-to-Sound experimenter’s project

Back-to-Basics – Part 8 Noughts and Crosses Enigma
and Weather Vane Repeater
by Bart Trepak
Simple, easy-to-build circuits based on one or two CMOS logic chips

SERIES AND FEATURES

Techno-Talk by Mark Nelson
Tardic antennas and metamaterialism

TEACH-IN 2006 by Mike Tooley BA
Learn how computers do maths without making your brain ache!

PIC N’ Mix by John Becker
Using the MAX118 8-channel ADC with a PIC

Net Work – The Internet page surfed by Alan Winstanley
Climb aboard EPE’s website and a case for Roboform

Practically Speaking by Robert Penfold
Getting to grips with stripboard

Circuit Surgery by Ian Bell
Our consultant surgeon looks at analogue switch i.c.s


October 2005 Purchase this issue
PROJECTS AND CIRCUITS

Halloween Howler by Mike Hibbett
Fun project; the sound comes from WAV files stored in EEPROM

PIC-based USB Interface by Robert Lang
USB the easy way with a PIC18F2455 microcontroller

Ingenuity Unlimited– Sharing your ideas with others
Cybervox Light Interface; Theremin Volume Control; Voltage Splitter; Pulsed Motor Speed Controller

Photic Phone by Thomas Scarborough
Communicate digitally over a light beam

Back-to-Basics – Part 7 Parking Radar and Telephone Switcher by Bart Trepak
Simple, easy-to-build circuits based on one or two CMOS logic chips

SERIES AND FEATURES

Techno-Talk by Mark Nelson
The foggy history of electronic development

Introducing the Virtual DIY Calculator by Clive “Max” Maxfield & Alvin Brown
Learn how computers do maths without making your brain ache!

Interface by Robert Penfold
Using a D/A converter in a transistor tester

PIC N’ Mix by John Becker
More on getting a DS1267 dual digital potentiometer working with a PIC

Net Work – The Internet page surfed by Alan Winstanley
Dealing with spyware

Circuit Surgery surfed by Ian Bell
Chopper op.amp i.c.s


September 2005 Purchase this issue
PROJECTS AND CIRCUITS

All-Band Radio by Thomas Scarborough
No-frills, low-budget, easy-build, sensitive radio with excellent reception

Multicore Cable Tester by Mike Geary
How to conveniently check lengthy multicore cables

Ingenuity Unlimited– Sharing your ideas with others
Low-cost RS232 Interface; TV Audio Coupler; PIC-Based Noise Generator

Snooker and Darts Scoreboard by John Becker
Readily display all the scores at your snooker and darts matches

Controlling Model Railway Signals by John Waller
Using stepper motors to control the semaphore signals used with model railways

Back-to-Basics – Part 6 Daily Reminder and Whistle Switch by Bart Trepak
Simple, easy-to-build circuits based on one or two CMOS logic chips

SERIES AND FEATURES

Techno-Talk by Mark Nelson
Describing the problems of wind turbines – and some ingenious solutions

Circuit Surgery by Alan Winstanley and Ian Bell
Low-frequency amplification, plus simple low-battery monitoring

Practically Speaking by Robert Penfold
A novice’s guide to measurement units

PIC N’ Mix by John Becker
Getting a DS1267 dual digital potentiometer working with a PIC

Net Work – The Internet page surfed by Alan Winstanley
Emails and ISPs


August 2005 Purchase this issue
PROJECTS AND CIRCUITS

Audio Systems - Communications by Raymond Haigh
A preamp with a.g.c. and a power amp with switched filtering for communications and surveillance

Motor Amplifier by Ken Ginn
The power with which this unit can drive a heavy-duty motor is astonishing!

Pain Monitor by John Becker
A patient welfare logger that also has other event logging applications as in sailing, golfing or wildlife watching, for example

Ingenuity Unlimited – Sharing your ideas with others
Helix Thermostat; Meter Identifier; The Terminator

Back-to-Basics – Part 5 – Kitchen Timer and Room Thermometer by Bart Trepak
Simple, easy-to-build circuits based on one or two CMOS logic chips

SERIES AND FEATURES

Techno Talk by Mark Nelson
How buses communicate with bus-shelter time-to-wait displays

PIC N’ Mix by John Becker
How to get the DS1307 RTC chip working with PICs

Interface by Robert Penfold
Using a PC-controlled DAC as an ADC

Net Work – The Internet Page surfed by Alan Winstanley
The delight of upgrading to ADSL!

Circuit Surgery by Alan Winstanley and Ian Bell
More code examples for using CompactFlash cards with PICs


July 2005 Purchase this issue
PROJECTS AND CIRCUITS

Cybervox by John Becker
How to linguistically challenge those evil Daleks in their own dialect

Ingenuity Unlimited – Sharing your ideas with others
One-Way Broken Beam Alarm; TV Standby Monitor

LF and VLF Converter by Raymond Haigh
Circuits for exploring the lower reaches of the electromagnetic spectrum

Mult-clap Switch by Thomas Scarborough
A far more controllable and responsive unit than conventional designs

Back to Basics – Part 4 - Doorchime and Electronic Dice by Bart Trepak
Simple, easy-to-build circuits based on one or two CMOS logic chips

SERIES AND FEATURES

Techno Talk by Mark Nelson
Squinting helps to beam radio signals round corners

Practically Speaking by Robert Penfold
A novice’s guide to project assembly tools

PIC 'n' Mix by Andrew Jarvis
Code reuse with Application Wizardry

Discovering PICS Reviewed by Robert Penfold
Reviewing a basic introduction to PIC project building and programming

Net Work – The Internet Page surfed by Alan Winstanley
Our new Chat Zone is successfully up and running with lots of new features

Circuit Surgery by Alan Winstanley and Ian Bell
Examples of using CompactFlash cards with PICs; Onwards Forever Onwards


June 2005 Purchase this issue
PROJECTS AND CIRCUITS

Super-Ear Audio Telescope by Tom Merryfield
Listen more clearly to those distant sounds

Radio Control Model Switcher by Ken Ginn
A radio controlled power switch for models and other devices

Ingenuity Unlimited – Sharing your ideas with others
GPS/Audio Selector; Virtual Bomb

PIC Ultrasonic Radar by John Becker
Let your mobile robot listen to the landscape with this experimental system

Back to Basics – Part 3 – Scarecrow and Digital Lock by Bart Trepak
Simple, easy-to-build circuits based on one or two CMOS logic chips

SERIES AND FEATURES

Circuit Surgery by Alan Winstanley and Ian Bell
Continuing the CompactFlash primer and outlining how to use the interface

Catch the Wave by Mark Williamson
Can technology help to reduce tsunami life-loss?

Techno Talk by Mark Nelson
Playing tag – more applications for r.f. ID tags

Digital TV Switchover by Barry Fox
Updating us on the plans, and problems, for switching off UK analogue TV

Programming PIC 18F Interrupts by Malcolm Wiles
Clarifying the datasheet for the PIC 18F family

Net Work – The Internet Page surfed by Alan Winstanley
File download blues; broadband choices; 30Mbps – why are we waiting?

Interface by Robert Penfold
Computer-controlled PWM power supply


May 2005 Purchase this issue
PROJECTS AND CIRCUITS

Crossword Solver by Mike Hibbett
Even The Times could become a doddle!

Ingenuity Unlimited – Sharing your ideas with others
Adjustable Constant Current Source; Multi-Level Lock; Electrical Field Detector

Back to Basics - Part 2 - Water Level Detector; Burglar Alarm by Bart Trepak
Continuing our series of simple, easy-to-build circuits based on one or two CMOS logic chips

20W Amplifier Module by Mark Stuart
Low-cost, single-chip, 20W wide-band low distortion mono/stereo amplifier module

Smart Karts Part 8 - SK-4 Software by Owen Bishop
Discussing the final software routines for our mobile buggy

DAB Radio Aerial by Stef Niewiadomski
A loft-mounted quarter-wave ground plane antenna for digital radio reception

SERIES AND FEATURES

Techno Talk by Mark Nelson
Green for Go – but why? It’s not so obvious!

Circuit Surgery by Alan Winstanley and Ian Bell CompactFlash memory cards; and more about thermistors

Passive Component Testing by Mike Tooley BA Getting the most out of your passive component analyser

Practically Speaking by Robert Penfold A novice’s guide to switches

Net Work - The Internet Page surfed by Alan Winstanley More on phishing and other Internet fraud, and software safeguards; Chat Zone update


April 2005 Purchase this issue
PROJECTS AND CIRCUITS

Safety Interface by David Clark
A flexible safety interface for a PIC/Logic/PC to mains power controller

Spontaflex 550 kHz to 30 MHz Radio Receiver by Raymond Haigh
A modern-day update of Sir Douglas Hall’s famous Spontaflex circuit

Back to Basics - Part 1 - Introduction; Fridge/Freezer Door Alarm by Bart Trepak
A new series of simple, easy-to-build circuits based on one or two CMOS logic chips

Ingenuity Unlimited – Sharing your ideas with others
Breadboard Project Protector; Theremin Doorbell; Reverse Battery Protection; Tri-State Controller

Smart Karts - Part 7 SK-4 - Son et Lumière! by Owen Bishop
Our buggy metamorphs and PICs up the art of cybernetic singing and dancing!

SERIES AND FEATURES

Interface by Robert Penfold
Computer-controlled power supply with current limiting

Circuit Surgery by Alan Winstanley and Ian Bell
Thermistors, and more about the FT232B USB chip

Techno Talk by Mark Nelson
Evolution of intelligent cateyes

Net Work - The Internet Page surfed by Alan Winstanley
More on phishing and other Internet fraud

PIC N’ Mix by Andrew Jarvis
Mixing C and Assembler with Hi-Tech PICC Lite

PIC18F Microcontroller Family Introduction by Malcolm Wiles
The recently introduced PIC18Fxx2 devices have many benefits compared to the PIC16F87x family


March 2005 Purchase this issue
PROJECTS AND CIRCUITS

Cat Flap by Thomas Scarborough
Electronically deter stray moggies from invading your cat’s private door

Ingenuity Unlimited – Sharing your ideas with others
NiCad Battery Discharger; Slumber Alarm; Audio Illusions; Pico Prize Winners

Stereo Headphone Monitor by Terry de Vaux-Balbirnie
Usable as an add-on for last month’s Sound Card Mixer or as a stand-alone unit

PIC Electric MK2 – 2 by John Becker
Describing the software which monitors the cost of running your mains electrical appliances

PIC-based Bingo Box by David Coward
PIC those random numbers without a traditional bag!

Smart Karts – Part 6 - SK-3 Push and Grab Software by Owen Bishop
Discussing the third set of software routines for our PIC-based buggy

SERIES AND FEATURES

Circuit Surgery by Alan Winstanley and Ian Bell
The basics of square waves, and of handling crimped connectors

Techno Talk by Andy Emmerson
Even telephone systems are prone to virus infection

PIC 'n' Mix by Andrew Jarvis
High level languages – a first visit to the C side!

Net Work - The Internet Page surfed by Alan Winstanley
Topical news on eBay and related frauds

Practically Speaking by Robert Penfold
A novice’s guide to front panel labelling without a PC

TK3 Simulator and PIC18F Upgrade by John Becker
Detailing the latest additions to our PIC assembly and programming toolkit


February 2005 Purchase this issue
PROJECTS AND CIRCUITS

PIC Electric MK2 by John Becker
Monitor the cost of running your mains electrical appliances

PIC-based Sneaky by Mike Boyden
A covert communication system for magicians and spies!

Sound Card Mixer by Terry de Vaux-Balbirnie
Bring “life” to your computerised live recordings

Ingenuity Unlimited – Sharing your ideas with others
Digital Stop Clock; Light and Heat Sensor

Smart Karts – Part 5 - Pushing and Grabbing by Owen Bishop
Our mobile robot morphs into SK-3 and gains a grabber and pusher

SERIES AND FEATURES

Techno Talk by Andy Emmerson
Wireless Internet services via tethered balloons – or just pie in the sky?

PIC 'n' Mix by Andrew Jarvis
Read the script – free development software!

Circuit Surgery by Alan Winstanley and Ian Bell
Continuing our short series on the Universal Serial Bus (USB) with a suggested circuit

E–Blocks AND Flowcode V2.0 Reviews by Robert Penfold
Two systems which teach the easy understanding of electronics through dedicated modules under readily reprogrammable software control

Interface by Robert Penfold
Simple digital to analogue conversion for PCs

Net Work - The Internet Page surfed by Alan Winstanley
Beware of eBay scammers


January 2005 Purchase this issue
PROJECTS AND CIRCUITS

Speed Camera Watch by Mike Hibbett
Be forewarned about known hazards while you’re driving

Light Detector by Anthony H. Smith B.Sc. (Hons)
An unusual design which uses an l.e.d. both as the light sensor and indicator

Gate Alarm by Thomas Scarborough
Baffle callers to your home with this low-cost, delayed action versatile alarm

Smart Karts - Part 4 - Software development for the SK2 Mobile Robot by Owen Bishop
Discussing the second set of software routines for our PIC-based buggy

Ingenuity Unlimited – Sharing your ideas with others
Tri-State Logic Probe; 64 L.E.D. Sequencer; L.E.D. Charging Indicator

SERIES AND FEATURES

Techno-Talk by Andy Emmerson
Trust Misplaced – Are you in danger of unwittingly giving away highly personal information about yourself?

Circuit Surgery by Alan Winstanley and Ian Bell
Continuing our short series on the Universal Serial Bus (USB)

Practically Speaking by Robert Penfold
A novice’s guide to connector types

PIC 'n' Mix by Andrew Jarvis
PIC12F629/75 – programming from a 16F perspective

PicoScope 3205 Review by Robert Penfold
Putting Pico Technology’s dual-trace PC oscilloscope through its superb paces

Net Work - The Internet Page surfed by Alan Winstanley
More about domain names and possible pitfalls

32-Bit Signed Integer Maths for PICs by Peter Hemsley
An excellent suite of maths routines to simplify your PIC programming ambitions


December 2004 Purchase this issue
PROJECTS AND CIRCUITS

Super Vibration Switch by Thomas Scarborough
So sensitive that even dropping a pin can trigger it

Versatile PIC Flasher MK2 by Steve Challinor
Put your favourite flasher under environmental control!

Wind Direction Indicator by Mike Feather
Simple mechanical monitoring of relative wind direction through 16-segments

Smart Karts - Part 3 - Bumpers, Light Sensor and Proximity Detector by Owen Bishop
Adding three levels of extra sensory perception to your mobile buggy!

Ingenuity Unlimited – Sharing your ideas with others
Simple MW Radio; PC Keyboard Tester

SERIES AND FEATURES

Techno Talk by Andy Emmerson
Talking in Code – how VoIP is transforming the telephone network

Circuit Surgery by Alan Winstanley and Ian Bell
Commencing a short series on the Universal Serial Bus (USB)

Net Work - The Internet Page surfed by Alan Winstanley
Transferring domain names between ISPs

Interface by Robert Penfold
Simple voltage control using your PC

PIC 'n' Mix by Andrew Jarvis
More PIC devices for TK3: PIC12F629/75

Light-Emitting Diodes - Part 4 - LED drivers and unusual uses for LEDs by Anthony H. Smith, BSc. (Hons)
Concluding our short series enlightning you about LEDs


November 2004 Purchase this issue
PROJECTS AND CIRCUITS

Thunderstorm Monitor by Thomas Scarborough
An early warning monitor of pending thunderstorms

Logic Probe by Anthony H. Smith, BSc. (Hons)
A handy tool for tri-state monitoring of logic circuits

M.W. Amplitude Modulator by Stef Niewiadomski
Enjoy your listening as you used to through your radios of bygone eras

Ingenuity Unlimited – Sharing your ideas with others
CCO Metal Detector; Robo Voice Effects; Visual Capacitance Gauge

Smart Karts – Part 2 – On Manoeuvers and Software Development by Owen Bishop
Discussing the first software routines for our PIC-based mobile buggy

SERIES AND FEATURES

Circuit Surgery by Alan Winstanley and Ian Bell
Current Flow; Diode Operation; Zener Diodes

Techno Talk by Andy Emmerson
Digital techniques may revive the voice of Queen Victoria!

Practical Electronics 40th Anniversary by John Becker
A brief commemoration of our ancestral sister’s origin

Light Emitting Diodes – Part 3 – Boosters, Alternative Flashers and Multicolour L.E.D.s by Anthony H. Smith, BSc. (Hons)
Continuing our short series enlightening you about l.e.d.s.

PIC 'n' Mix by Andrew Jarvis
Introducing some new PICs to TK3 – the PIC16F87xA Family

Floating Point Maths for PICs by Malcolm Wiles
How to use floating point maths with PIC16Fx microcontrollers

Net Work – The Internet Page surfed by Alan Winstanley
Cybersquatting; Typosquatting; Pressure Selling; Domain Slamming


October 2004 Purchase this issue
PROJECTS AND CIRCUITS

Moon and Tide Clock Calendar by John Becker
A pictorial guide to tracking moon and tide states throughout the year

Ingenuity Unlimited – Sharing your ideas with others
High-Efficiency L.E.D. Torch; Temperature Controller; Glitch-Free Switching

Volts Checker by Anthony H. Smith, BSc (Hons)
A handy tester suitable for universal a.c. and d.c. supplies

EPE Theremin by Robert Penfold
Create “handsfree” weird and wonderful music!

Smart Karts - Part 1 - Basic Construction by Owen Bishop
Commencing construction of a PIC-based mobile buggy with various sensors and actuators. Suitable for tailoring to your needs!

SERIES AND FEATURES

Techno Talk by Andy Emmerson
Daddy or Chips? Coping with telephone bandwidth choices

Interface by Robert Penfold
Introducing VB.Net and VB 2005 Express

Net Work - The internet Page surfed by Alan Winstanley
King of the Domains; DIY Domains

PIC 'n' Mix by Andrew Jarvis
Hex files reopened: Record Viewer and running repairs

Circuit Surgery by Alan Winstanley and Ian Bell
Component marking explained; More on Super Glue; Electrical Mains Safety

Light Emitting Diodes – Operation and Applications – Part 2 - Biasing and Interfacing by Anthony H. Smith, BSc. (Hons)
Continuing our short series intended to answer all those l.e.d. questions you’ve longed to ask


September 2004 Purchase this issue
PROJECTS AND CIRCUITS

PIC-based Rainbow Lighting Controller by David Geary
Brighten up your garden’s night-time colour scheme

Ingenuity Unlimited – Sharing your ideas with others
Betty’s Flasher; Water Safety Lock; Audio Frequency Synthesiser; Line-O-Light; Automatic Morse Beacons; Fine-Tuning for DC Receivers

PIC-based Radio Control Failsafe by Ken Ginn
How to keep your RC models safely controlled and prevent mayhem!

EPE Wart Zapper by Thomas Scarborough
Exterminate those unwanted warts!

PIC-based Alphamouse Game by John Becker
Let that mouse sort out those shifty characters!

SERIES AND FEATURES

Techno-Talk by Andy Emmerson
From POTS to PANS – telephone technology has reached its use-by date

Net Work - The Internet Page surfed by Alan Winstanley
Domains and IP Addresses; Broadband Turn-On

Circuit Surgery by Alan Winstanley and Ian Bell
Back-E.M.F. Protection; Overrated L.E.D.s

Practically Speaking by Robert Penfold
A novice’s guide to buying and stocking-up components

PIC 'n' Mix by Andrew Jarvis
Hex files – the truth is out there!

Light-Emitting Diodes – Operation and Applications – Part 1 - Basic Principles by Anthony H. Smith, BSc. (Hons)
Commencing a short series intended to answer all those l.e.d. questions you’ve longed to ask

High-Speed Binary to Decimal for PICs by Peter Hemsley
It really is amazingly fast!


August 2004 Purchase this issue
PROJECTS AND CIRCUITS

PIC-based EPE Scorer by David Coward
Score with the technological solution for quizmasters and sportsmasters!

Keyring LED Torch (Flashlight) by John Ellis
An “easy-build” torch that will give many hours of pleasure

EPE PIC Magnetometry Logger - Part 2 by John Becker
Logging your search for magnetic fields that might reveal hidden artifacts

Simple FM Radio by Raymond Haigh
An out-of-the-rut domestic receiver

Ingenuity Unlimited – Sharing your ideas with others
Let There Be Light; Manual Bit-Stream Selector; Visual Illusion

SERIES AND FEATURES

Circuit Surgery by Alan Winstanley and Ian Bell
In the LED Driving Seat – answering basic LED questions

Techno Talk by Andy Emmerson
The art of disguise now plays its role in the comms arena

Net Work - The Internet Page surfed by Alan Winstanley
Comments on PC upgrading and software selection

Teach-IN 2004 - Part 10 - Motor Control by Max Horsey
Concluding our 10-part tutorial and practical series – in which we have been showing how to apply electronics meaningfully

PIC 'n' Mix by Andrew Jarvis
“Hello” again – simulators, timers and finishing touches

PIC to PS/2 Mouse and Keyboard Interfacing by John Becker
How to use a PS/2 keyboard or PS/2 mouse with your PIC designs

Interface by Robert Penfold
More about accessing a PC’s parallel port via INPOUT32.DLL


July 2004 Purchase this issue
PROJECTS AND CIRCUITS

Portable Mini Alarm by Andy Flind
Covertly monitor your property and distinguish between loiterers and passers-by

Inqenuity Unlimited Sharing your ideas with others.
Multiple Range Ammeter; Repeatable Logic Probe; Model Theatre Lighting Dimmer

Bongo Box by David Clark
PIC up the rhythm with our MIDI finger drum!

EPE PIC Magnetometry Logger – Part 1 by John Becker
Logging your search for magnetic fields that might reveal hidden artifacts

Hard Drive Warbler by Terry de Vaux-Balbirnie
Monitor your PC’s hard drive activity from a distance

SERIES AND FEATURES

Techno Talk by Andy Emmerson
Electrotherapy developments through the ages, and some possible future progress

Circuit Surgery by Alan Winstanley and Ian Bell
Dual-rail power supplies; Superglue

Teach-In 2004 – Part 9 - Lock and Alarm Systems by Max Horsey
Continuing our 10-part tutorial and practical series – how to apply electronics meaningfully

PIC ‘n’ Mix by Andrew Jarvis
“Hello World” for PICs: instruction cycles, masks and clockwork l.e.d.s

Net Work – The Internet Page surfed by Alan Winstanley
More on web search engines, plus a look at Gmail

Making Front Panel Overlays by Andrew Martell
Making low-cost professional-looking front panel overlays using your PC

Practically Speaking by Robert Penfold
A novice’s guide to troubleshooting project construction problems


June 2004 Purchase this issue
PROJECTS AND CIRCUITS

PIC Quickstep by Andy Flind
A Simple and versitile stepper motor driver and controller.

Inqenuity Unlimited Sharing your ideas with others.
White Noise Generator; Pressure Pad; Dual-Mode Charger; Simple Siren

Crafty Cooling by Terry de Vaux-Balirinie
Make a drink can cooler and learn about Peltier and Seebeck effects.

Body Detector Mk2 by Thomas Scarborough
Create your own invisible defense shield!

PIC-based MIDI Synchronome by David Clark
Improve your musical time-keeping when recording MIDI instruments

SERIES AND FEATURES

Clinical Electrotherapy by Ed Bye
Electrotherapy developments through the ages, and some possible future progress

Techno Talk by Andy Emmerson
Not surprisingly, self-destructing electronic products are a mixed blessing!

Interface by Robert Penfold
More practical suggestions for case-modding your PC

PIC ‘n’ Mix by Andrew Jarvis
A potted history of EPE Toolkit and an overview of other low-cost PIC programmers

Net Work – The Internet Page surfed by Alan Winstanley
Google, Alta Vista, MSN and Yahoo! web search engines.

Tecah-In 2004 – Part 8 – Movement Detection by Max Horsey
Continuing our 10-part tutorial and practical series – how to apply electronics meaningfully

Circuit Surgery by Alan Winstanley and Ian Bell
Power Op.Amps; Servo Controller; Brazen Terminology; Current Flow and Outputs


May 2004 Purchase this issue
PROJECTS AND CIRCUITS

Low Frequency Wien oscillator - Part 1 by Edwin Chicken
A Simple Low-cost sinusoidal signal generator for your workshop.

In-car laptop PSU by Terry de Vaux-Balirinie
Laptop operation for the outwardly mobile.

Beat Balance Metal Detector by Thomas Scarborough
A new gener of detector that is inexpensive and easy to build.

Inqenuity unlimited Sharing your ideas with others
Mouse Trapped Indicator; Proximity Switch; Versatile D.C. Power Controller.

Experimental seismograph Logger - Part 2 by John Becker
Discussing the softwarre and use of our long-term data logger.

SERIES AND FEATURES

Circuit Surgery by Alan Winstanley and Ian Bell
More on power MOSFETs; Identifying Capacitor Values.

Techno Talk by Andy Emmerson
Smellyphones, Smellyvision, and solitons-a foul future for phones?

Net Work – The Internet Page surfed by Alan Winstanley
On the E-hotspot; Pole-axed; Under Pressure; Worring Trend.

Teach-In 2004 – Part 7. Moisture detection and radio links by Max Horsey
Continuing our 10-part tutorial and practical series - how to apply electronics meaningfully.

Coping with Lead-Free Solder By Bill Mooney
What are the alternatives to lead-based solder when it is banned in 2006?.

PIC n' Mix by Andrew jarvis
PICing up the introductory threads to our latest PIC resource.

Practically Speaking by Robert Penfold
A novice's guide to understanding circuit diagram symbols.


April 2004 Purchase this issue
PROJECTS AND CIRCUITS

Loft Light Alarm by Bart Trepak
Darken your lightness! A low-cost energy saving versatile lights-on reminder.

EPE Experimental Seismograph Logger - Part 1 by john Becker
Long-term data recording of the Earth's rock and roll event.

PIC Moon Clockby jonathan Hare
A Timely display for romantics and Werewolves.

Infra-Guard Monitor by Terry de Vaux-Balbirnie
In-car protection for young children.

Ingenuity Unlimited Sharing your ideas with other
Simple Frequency Meter: Decade Power Supply

SERIES AND FEATURES

Circuit Surgery by Alan Winstanley and Ian Bell
Back to Inventers; Modified Sinewaves; Cover Your Tracks

Techno Talk by Andy Emmerson
Power in your pocket-can fuel cells save the planet yet?

USB-to_PICInterface by John Waller
Investigating a Universal Serial Bus (USB) to PIC microcontroller interface, the DLP-245PB

New Technology Update by Ian Poole
What's in the development pipeline for memory technologies?

Interface by Robert Penfold
Practical Suggestions for case-modding your PC

Net Work – The Internet Page surfed by Alan Winstanley
Track those sites; Pop Gun;More Accessible-less arty

Teach-In 2004 – Part 6. Sound Level measurment by Max Horsey
Continuing our new 10-part tutorial and practical series – how to apply electronics meaningfully


March 2004 Purchase this issue
PROJECTS AND CIRCUITS

Bat Band Converter by Thomas Scarborough
Listen-in to the world of bats with this low-cost b.f.o. detector

Emergency Stand-by Light by Terry de Vaux-Balbirnie
A 12V battery-powered home emergency light using a low-energy mains lamp

PIC-based MIDI Health Check by David Clark
Check out your MIDI home studio with this transmitter-reciever pair

PIC -based Mixer For RC Planes by Marius Bensch
A Flight command mixer for delta and V-tail radio-controlled model planes

Ingenuity Unlimited – Sharing your ideas with others
Beat Balance Metal Detector; Simple Signal Injector; Sonic Control for Toys; Camera Power; Yes-No Indicator; Pico Prizes Winners

SERIES AND FEATURES

Circuit Surgery by Alan Winstanley and Ian Bell
Explaining Diacs and Triacs; Parallel Regulators; Please take Note - MOSFET Amplifiers

Techno Talk by Andy Emmerson
Disruptive Technologies - bad news for some, good news for others

The Amateur Scientist CD Review by Clive (Max) Maxfield
Reviewing the Amateur Scientist 2.0 Science Fair Edition CDs - every Amateur Scientist column ever published

New Technology Update by Ian Poole
Poor soldering is the cause of circuit failures even for professionals

Practically Speaking by Robert Penfold
A novice's guide to understanding how to mount components on a circuit board

Net Work – The Internet Page surfed by Alan Winstanley
Chat Zone Shenanigans; Outlook Express Back-up

Teach-In 2004 – Part 5. Logic gates as Switches by Max Horsey
Continuing our new 10-part tutorial and practical series – how to apply electronics meaningfully


February 2004 Purchase this issue
PROJECTS AND CIRCUITS

PIC LCF Meter by John Becker
Simple monitoring of inductance, capacitance and frequency values

Sonic Ice Warning by Terry de Vaux-Balbirnie
Don’t let the icy road catch you out!

Ingenuity Unlimited – Sharing your ideas with others
Mantelpiece Anemometer; Short Circuit Alarm; Blue Flash; Stepper Motor Driver; Audio Signal Generator

Jazzy Necklace by Thomas Scarborough
Be the light and soul of your party or disco!

PIC Tug-Of-War by Bart Trepak
PIC up the battle rope without the brute force!

SERIES AND FEATURES

Techno Talk by Andy Emmerson
How safe is your mobile phone? A powerful caution about batteries

Surface Mount Devices by Lyn Jones
How to use SMDs – it’s easier than you might think

Circuit Surgery by Alan Winstanley and Ian Bell
MOSFET Amplifier Basics; CMOS or Bipolar Timers; Anti-Static Desoldering

New Technology Update by Ian Poole
Improvements in capacitor technology may not hit the headlines, but they are still happening!

Interface by Robert Penfold
Further PC serial port use of INPUT32.DLL

Net Work – The Internet Page surfed by Alan Winstanley
Have spammers now been given their exclusion orders?

Teach-In 2004 – Part 4. Experimenting with logic gates by Max Horsey
Continuing our new 10-part tutorial and practical series – how to apply electronics meaningfully


January 2004 Purchase this issue
PROJECTS AND CIRCUITS

PIC-based Car Computer by Mike Hibbett
An aid for motorists who don’t live with a mechanic!

Bedside Nightlight by Owen Bishop
Another in our occasional Top Tenners series - A two-in-one design that will bring comfort and joy to your youngster’s room.

PIC-based Watering Timer by Les Clarke
Keep your plants in pristine condition before you PIC them!

Practical Radio Circuits – Part 8 - The Superhet: Prescaler, Mixers and Oscillators by Raymond Haigh
A double-conversion superhet receiver for SW bands

Ingenuity Unlimited – Sharing your ideas with others
Super Static Snooper

SERIES AND FEATURES

Teach-IN 2004 – 3. Experimenting with opamps by Max Horsey
Continuing our new 10-part tutorial and practical series – how to apply electronics meaningfully

Techno Talk by Andy Emmerson
Blurred Vision for Telly. Digital TV and its quality

New Technology Update by Ian Poole
IntelliFET devices improve power supply protection; New fuel cell developments

Net Work - The Internet Page surfed by Alan Winstanley
Newsgroups; Digging Beyond Google

Practically Speaking by Robert Penfold
A novice’s guide to understanding wires and cables

GPS to PIC and PC Interfacing by John Becker
How to extract data from a GPS handset and use it in your PIC and Visual Basic 6 programs

Circuit Surgery by Alan Winstanley and Ian Bell
Defining Source and Sink; Electric Meter; Linear MOSFETs


December 2003 Purchase this issue
PROJECTS AND CIRCUITS

PIC NIM Machine by David Coward
Nimbly PIC a winning pile! Latest incarnation of the ancient Chinese game

Ingenuity Unlimited – Sharing your ideas with others
Bio-feedback Tension Monitor; L.E.D. Bargraph; Cricket Overs Counter

PIC Virus Zapper MK2 by Andy Flind
An alternative method that could keep those bugs at bay!

Christmas Cheeks by Thomas Scarborough
A novel technological way to decorate you for the festivities!

Practical Radio Circuits – Part 7 - The Superhet: Prescaler, Mixers and Oscillators by Raymond Haigh
Demystifying the most dominant and universal receiving technology – and how to build your own set

SERIES AND FEATURES

Techno Talk by Andy Emmerson
Seedy CDs and Dodgy DVDs

Teach-In 2004 – Part 2 - Transistor Circuits by Max Horsey
Continuing our new 10-part tutorial and practical series – how to apply electronics meaningfully

New Technology Update by Ian Poole
Doped diamonds could become commercially viable semiconductors

Electrotherapy - A Brief History by Stan Hood
A personal view of the use of electricity in medicine – from Galvani to Hulda Clark

Circuit Surgery by Alan Winstanley and Ian Bell
More on Spice circuit simulation; Ultraviolet L.E.D.s

Interface by Robert Penfold
Direct INPOUT32.DLL control of PC serial ports

Net Work - The Internet Page surfed by Alan Winstanley
Can Netscape rise from the ashes?

High-Speed Decimal-to-Binary for PICs by Peter Hemsley
Speed up your PIC’s decimal data conversion and compression


November 2003 Purchase this issue
PROJECTS AND CIRCUITS

PIC Random LED Flasher by Andy Flind
Enjoy the fun of an interesting and attractive pattern display

Ingenuity Unlimited – Sharing your ideas with others
Three-Component Metal Detector; Emergency Light; Power Supply Tester

Anyone At Home? by Owen Bishop
Logically deter those shifty characters eyeing up your house!

Another Top Tenner project: Cardboard Clock by Michael McLoughlin
An intriguing and novel way in which you can tick-off time passing!

Practical Radio Circuits – Part 6 - Single-sideband and direct conversion
by Raymond Haigh, Another superb receiving system for the set builder and experimenter

SERIES AND FEATURES

Techno Talk by Andy Emmerson
Why is lightning so potent, and can you protect your gizmos?

Teach-In 2004 – Part 1 - At the Beginning by Max Horsey
The first feature in our new 10-part tutorial and practical series – how to apply electronics meaningfully

New Technology Update by Ian Poole
Floating Gate Analogue technology improves voltage reference devices

Circuit Surgery by Alan Winstanley and Ian Bell
Long delays; cooling fans; more on SPICE; opamp enlightenment

Practically Speaking by Robert Penfold
A novice’s guide to understanding semiconductor markings

Net Work - The Internet Page surfed by Alan Winstanley
Oh for wireless webbing...! New EPE Downloads site


October 2003 Purchase this issue
PROJECTS AND CIRCUITS

RC Car Wars by John Lanigan
It’s a bit like Robot Wars without the expense or destruction!

Serial Interface for PICS AND VB6 by Joe Farr
Serial hardware plus stand-alone licence-free OCX software

Ingenuity Unlimited – Sharing your ideas with others
Robo-Voice; Stereo Image Enhancer

Spooky Bug by Owen Bishop
Hocus-pocus, get your Hallowe’en party off to a shriek! Another in our occasional Top Tenner series of simple low-cost circuits

Practical Radio Circuits – Part 5 - Super-regeneration - by Raymond Haigh
A highly sensitive receiving system, plus buffer amplifier, for the set builder and experimenter

SERIES AND FEATURES

Techno Talk by Andy Emmerson
How new is new – especially in the mobile phones arena?

New Technology Update by Ian Poole
Improved current monitoring devices

Interface by Robert Penfold
PC parallel port interfacing with VB and the new universal INPOUT32.DLL for Windows

Net Work – The Internet Page surfed by Alan Winstanley
ADSL broadband alternatives

Circuit Surgery by Alan Winstanley and Ian Bell
Concluding our introduction to SPICE simulation software

PIC Breakpoint by Richard Hinckley
An excellent debugging tool offering realtime PC display of all PIC registers


September 2003 Purchase this issue
PROJECTS AND CIRCUITS

PIC-A-Colour by Nick Dossis
PIC your wits against a colourful code-setting master mind!

Ingenuity Unlimited - Sharing your ideas with others
Thermal Charge Monitor; Infra-red Body Detector; Divider Feedback

Vibration Alarm by Owen Bishop
Guards your property by sounding an alarm if moved - another in our occasional
“Top Tenner” series of simple low-cost circuits.

Priority Referee by Owen Bishop
Fair play is ensured with this novel quiz monitor - another simple “Top Tenner” circuit

EPE PIC Met Office - Part 2 - by John Becker
Concluding our totally solid-state alternative to sea-weed and proverbs!

Practical Radio Circuits - Part 4 - Tuning systems, coils and coil packs for general coverage and the amateur bands by Raymond Haigh
More practical circuits for the set builder and experimenter

SERIES AND FEATURES

Techno Talk by Andy Emmerson
More Connected homes - the brass tacks about networked domesticautomation and entertainment

New Technology Update by Ian Poole
A new hypersonic sound system is set to revolutionize the audio industry

Circuit Surgery by Alan Winstanley and Ian Bell
Continuing our introduction to SPICE simulation software

Using the PIC’S “HIGH” Operator by Malcolm Wiles
Simpler programming for segmented PIC architectures

Practically Speaking by Robert Penfold
A novice’s guide to the tools needed for electronics construction

Net Work - The Internet Page - surfed by Alan Winstanley
Broadband - will BT’s coverage ever be universal?


August 2003 Purchase this issue
PROJECTS AND CIRCUITS

Alarm System Fault Finder by Mike Richards
A low-cost design that helps locate intermittent sensor faults, silently!

EPE PIC Met Office - Part 1 - by John Becker
Totally solid-state alternative to seaweed and proverbs!

Ingenuity Unlimited - Sharing your ideas with others
Audio Noise Generator; Day-Night Switch

Master/Slave Intercom by Owen Bishop
Nothing mobile or wireless about this chat line! Another in our occasional Top-Tenner series of simple low-cost circuits

Electronic Two-Up by Owen Bishop
A second Top-Tenner project to enjoy this month! Chance your luck with this novel variant of a "down-under" game.

Practical Radio Circuits - Part 3 - Regenerative Receivers by Raymond Haigh
Another practical circuit for the set builder and experimenter

SERIES AND FEATURES

Interface by Robert Penfold
Optical heart-rate sensing interface for your PC

Techno Talk by Andy Emmerson
Connected homes - networked domestic automation and entertainment

Net Work - The Internet Page surfed by Alan Winstanley
Introducing our new updated web site

Digital Command Control for Model Trains by John Waller
How the computer age has caught up with controlling model trains

Circuit Surgery by Alan Winstanley and Ian Bell
A brief introduction to SPICE while solving an inverter problem

New Technology Update by Ian Poole
Super-cool diamonds may be a major milestone in superconductor development


July 2003 Purchase this issue
PROJECTS AND CIRCUITS

EPE Mini Metal Detector by Thomas Scarborough
Search out those hidden artifacts with a wrist-band metal detector

Low Range Ohmmeter Adaptor MK2 by Lyn Jones
Improved accuracy when measuring low resistance

Practical Radio Circuits - Part 2 - Regeneration, Q-Multiplier, Reflex Radio, Speaker Amp - by Raymond Haigh
Dispelling the mysteries of radio. A series featuring a variety of practical circuits for the set builder and experimenter

Top Tenners: Ultimate Egg Timer by Owen Bishop
How to avoid feeling hen-pecked about boiling eggs properly! Another design in our occasional series of simple circuits that can be built for around

Ingenuity Unlimited - Sharing your ideas with others
Pedometer; Astronomy Torch; Optical Illusion

PICronos LED Wall Clock - Part 2 - by John Becker
Checking-out and setting-up this grand-scale timekeeper!

SERIES AND FEATURES

Techno Talk by Andy Emmerson
Wired Wireless - Crazy or What?

Circuit Surgery by Alan Winstanley and Ian Bell
Why a 50 Ohm connector is so called; Normally open and closed contacts

New Technology Update by Ian Poole
The introduction of 3D LCD technology should give new impetus to the display market

Practically Speaking by Robert Penfold
Constructor’s guide to mounting assembled boards in enclosures

Net Work - The Internet Page surfed by Alan Winstanley
How pally is PayPal?

Flowlog Lite Review by Robert Penfold
Putting the data logging, control, and measurement add-on for PCs through its paces


June 2003 Purchase this issue
PROJECTS AND CIRCUITS

PIC-based FIDE Pedometer by Mike Boyden
Keeping track of how far you’ve walked!

Practical Radio Circuits - Part 1. Introduction, Simple Receivers and Headphone Amp by Raymond Haigh
Dispelling the mysteries of radio. A new series featuring a variety of practical circuits for the set builder and experimenter

Back to Basics - Part 5. Mini Theremin; Twilight Switch by Bart Trepak.
Concluding our illustration of how transistors can create useful designs

Ingenuity Unlimited
Car Alarm Battery Saver

PICronos LED Wall Clock by John Becker
Ancient and modern techniques display timely brilliance on a grand scale!

SERIES AND FEATURES

Techno Talk by Andy Emmerson
Powerline comms - boon or bogey?

Circuit Surgery by Alan Winstanley and Ian Bell
More about reading circuit diagrams

New Technology Update by Ian Poole
Adding silicon to Li-Ion battery electrodes improves charge level performance

Interface by Robert Penfold

MSCOMM voltage levels, and batch counting

Net Work - The Internet Page surfed by Alan Winstanley
Crediting PayPal


May 2003 Purchase this issue
PROJECTS AND CIRCUITS

Super Motion Sensor by Thomas Scarborough
A highly responsive design that even detects a single finger moving at five metres!

Ingenuity Unlimited hosted by Alan Winstanley
Fully Automatic Egg Timer; Heart Rate Monitor; Microwatt L.E.D. Flasher

Door Chime by Bart Trepak
Give your front door that “ding-dong” appeal of yesteryear!

Back to Basics - Part 4. by Bart Trepak.
Illustrating how transistors can create useful designs: This month's projects are a Live Wire Detector and Medium Wave Radio.

Earth Resistivity Logger - Part 2 by John Becker
Describing the software that helps locate the hidden mysteries of our ancestors

SERIES AND FEATURES

Techno Talk by Andy Emmerson
Barcodes are set to disappear!

New Technology Update by Ian Poole
Improved antennae materials enhance mobile phone comms

Circuit Surgery by Alan Winstanley and Ian Bell
Digital timing without glitches; More on circuit diagram symbols

Net Work - The Internet Page surfed by Alan Winstanley
Sniping a deal on eBay; Paying by Paypal

Practically Speaking by Robert Penfold
Constructor’s guide to building circuits on plain matrix board


April 2003 Purchase this issue
PROJECTS AND CIRCUITS

Atmospherics Monitor by Brian Lucas
Tune in to the sounds of the heavens in turmoil!

PIC-based Intelligent Garden Lights Controller by Max Horsey
An easy-build lights controller that knows when it’s time to switch off

Back To Basics - Part 3 - by Bart Trepak
Illustrating how transistors can create useful designs: This month’s projects are a Touch Light and a Plant Watering Reminder.

Ingenuity Unlimited hosted by Alan Winstanley
Three-State Vehicle Probe; PCB Drill Controller; StyloQIC

PIC-based Earth Resistivity Logger - Part 1 - by John Becker
Help your local archaeological society to locate the hidden mysteries of our ancestors

SERIES AND FEATURES

Techno Talk by Andy Emmerson
Optical communications without fibres

New Technology Update by Ian Poole
Improved processing promises increased memory cell capacity

Circuit Surgery by Alan Winstanley and Ian Bell
How to read circuit diagrams; CMOS opamp solutions

Interface by Robert Penfold
Update on direct control of PC serial lines using MSCOMM

Net Work - The Internet Page surfed by Alan Winstanley
Bargaining on eBay


March 2003 Purchase this issue
PROJECTS AND CIRCUITS

Wind-up Torch (Flashlight) Mk II by Thomas Scarborough
A new twist for providing light without a battery!

PIC-based Driver Alert by Josh Arkell, Adam Wolley, and Max Horsey
A thinking time reaction tester - award-winning design in the Young Electronic Designer Awards 2002.

200 kHz Function Generator by Andy Flind
Versatile test gear that generates sine, square and triangle-wave outputs, with controllable amplitude.

Ingenuity Unlimited hosted by Alan Winstanley
Random Doorbell; Headphone Amplifier; Low Battery Indicator; Pico Prize Winners.

Back to Basics - Part 2. Metal Detector; Simple Timer by Bart Trepak
Illustrating how transistors can create useful designs.

SERIES AND FEATURES

Techno Talk by Andy Emmerson
Bendy Batteries for Flexible Power.

Circuit Surgery by Alan Winstanley and Ian Bell
Surface Mount Reworking; Bleeder Resistors; More on Motors.

New Work - The Internet Page surfed by Alan Winstanley
Buy Now on eBay!

LCR Passive Component Analyzer by Andy Flind
An appreciative examination of Peak’s new handheld analyzer for measuring resistors, capacitors and inductors.

Practically Speaking by Robert Penfold
A constructor’s guide to mounting loudspeakers, resonators and meters in the front panels of enclosures.

New Technology Update by Ian Poole
Printed plastic transistors and organic LEDs could provide truly flexible display screens.


February 2003 Purchase this issue
PROJECTS AND CIRCUITS

Brainibot Buggy by Mark Stuart and Peter Balch
A low-cost, easy-build buggy that has a mind of its own!

Wind Tunnel by John Becker
Scientifically investigate Nature’s second essential element

Ingenuity Unlimited hosted by Alan Winstanley
Single-Cylinder Ignition; Reaction Timer

Back to Basics - Part 1 - Hearing Aid, Audio Power Amplifier by Bart Trepak
Illustrating how transistors can create useful designs

Tesla High Voltage Transformer by Raymond Haigh
Spectacularly create your own sizzling DIY lightning!

SERIES AND FEATURES

New Technology Update by Ian Poole
Carbon nanotubes are likely to have a serious impact on semiconductor technology

Circuit Surgery by Alan Winstanley and Ian Bell
More on MOSFETs; Switching Speed of A.C. Motors

In the Bag by Terry de Vaux-Balbirnie
Have you ever wondered how your car airbags work?

Net Work - The Internet Page surfed by Alan Winstanley
The Last Keyword in Sales; Favourite Sites

Techno Talk by Andy Emmerson
Hotspots to the Rescue

Interface by Robert Penfold
Direct control of PC serial lines using MSCOMM


January 2003 Purchase this issue
PROJECTS AND CIRCUITS

EPE Minder by Terry de Vaux-Balbirnie
Looks after your personal belongings - maybe even your children!

FM Frequency Surfer by Tom Merryfield
Trawl-in those unusual contacts on the 88MHz to 125MHz band

Wind Speed Meter by John Becker
Ultrasonic techniques replace mechanics and calibration

Ingenuity Unlimited hosted by Alan Winstanley
Frequency Switch; Dual Action Regulator; Obstacle sensing for Small Robots

PICAXE Projects - Part 3. Chaser Lights by Max Horsey
Concluding the three-part series using PICAXE devices - PIC microcontrollers that do not need specialist knowledge, or programming equipment

SERIES AND FEATURES

Circuit Surgery by Alan Winstanley and Ian Bell
All about MOSFETs

New Technology Update by Ian Poole
Semiconductors based on indium phosphide challenge those made from silicon and gallium arsenide

Practically Speaking by Robert Penfold
Constructor’s guide to creating case panel legends with a PC

Techno Talk by Andy Emmerson
UWB - Wireless on Steroids

Who Really Invented the Transistor? by Andy Emmerson
Conflicting claims and some revisionist history

PIC Micros and Computer GOTOs by Malcolm Wiles
Two sophisticated programming techniques for advanced PIC users

Net Work - The Internet Page surfed by Alan Winstanley
BBC on the Net; Email filtering again; Back in Pole-land


December 2002 Purchase this issue
PROJECTS AND CIRCUITS

Versatile PIC Flasher by Steve Challinor
An attractive display to enhance your Christmas decorations or your child’s ceiling.

Ingenuity Unlimited hosted by Alan Winstanley
Fluid Finder; Switched Mode L.E.D. Nightlight

Door Defender by Steve Dellow
Keep an armed guard on your door or valuables

PICAXE Projects - Part 2. Temperature Sensor, Voltage Sensor and VU Indicator by Max Horsey
The second of a 3-part series using PICAXE devices - PIC microcontrollers that do not need specialist knowledge, or programming equipment

EPE Hybrid Computer - Part 2 by Petros Kronis
Real-time computation of complex system behaviour is greatly simplified by combining analogue and digital processing techniques

SERIES AND FEATURES

New Technology Update by Ian Poole
Newly developed, Spin transistors have potential applications in areas from non-volatile memories to magnetic sensors

Net Work - The Internet Page surfed by Alan Winstanley
Tune in to WorldSpace; Email Filtering again

Alternative uses for Transistors by Ned Stephens
A look at the other uses to which transistors can be applied

Interface by Robert Penfold
Choosing and using Visual BASIC

Circuit Surgery by Alan Winstanley and Ian Bell
Measuring high side and low side currents in op.amps; differences in common electric motors

Electronic Paper by Ian Graham
After more than 20 years of research, manufacturers seem to have cracked the problem of making electronic paper


November 2002 Purchase this issue
PROJECTS AND CIRCUITS

Pic-Based Tuning Fork And Metronome by John Becker
Thrill everyone by at long last getting your instrument properly tuned!

Transient Tracker by Thomas Scarborough
Solve a “spiky” problem with this easy-build mains transient detector

Epe Hybrid Computer - Part 1 by Petros Kronis
Real-time computation of complex system behavior is greatly simplified by combining analogue and digital processing techniques

Picaxe Projects - Part 1 - by Max Horsey
PIC-based Egg Timer, Dice Machine, Quiz Game Monitor - The first of a 3-part series using PICAXE devices - PIC microcontrollers that do not need specialist knowledge, or programming equipment

Ingenuity Unlimited hosted by Alan Winstanley
Wien Oscillator; 2-Channel Christmas Light Controller; Budget Light Sensor; Talking Newspaper

SERIES AND FEATURES

Circuit Surgery by Alan Winstanley and Ian Bell
Biasing for single supply opamps; L.E.D. Lamp Temperatures

New Technology Update by Ian Poole
Optical illumination of crystals and nanotubes reveals their data storage potential

Net Work - The Internet Page surfed by Alan Winstanley
A Can of Worms; Attacking Tidal Waves; Fried Spam

Practically Speaking by Robert Penfold
A novice’s guide to obtaining a good stock of the right components


October 2002 Purchase this issue
PROJECTS AND CIRCUITS

EPE Bounty Treasure Hunter by Thomas Scarborough
Inexpensive easy-build design that has good penetration and discrimination capabilities, helping you find the valuables, but not the iron and tin dross!

I.C. Tester by Joe Farr
Let a PIC and PC check the health of your digital logic chips

Ingenuity Unlimited hosted by Alan Winstanley
One-second Crystal Clock; L.E.D. and Fuse Checker

Headset Communicator by Terry de Vaux-Balbirnie
Forget the megaphone! This system is ideal for directors who don't wish to shout - comprises master console and three slave units

PIC-Pocket Battleships by Bart Trepak
Become a Sea Lord with our interpretation of the age-old pen and paper game!

SERIES AND FEATURES

Circuit Surgery by Alan Winstanley and Ian Bell
Toggle CMOS Interface; Troublesome UV Timer; Battery Eliminator

New Technology Update by Ian Poole
Laser light as “tweezers” and new materials for superconductors

Logic Gate Inverter Oscillators - Part 2 by George Hylton
A compendium of practical oscillator circuits for creative experimenters

Net Work - The Internet Page surfed by Alan Winstanley
Too Many Favourites; ContentSaver; Low Interest Rates

Interface by Robert Penfold
Adding MSCOMM Active-X control to your PC

Using TK3 with Windows XP and 2000 by Mark Jones
By popular request, how to get EPE Toolkit TK3operating under these operating systems


September 2002 Purchase this issue
PROJECTS AND CIRCUITS

Freebird Glider Control by Mike Boyden
An automatic flight attitude control system for your free-flight model glider

Portable Telephone Tester by Alan Paton
A useful tool for testing those bargain boot sale phones before you buy!

EPE Morse Code Reader by John Becker
Multi-function Morse code translation and learning aid; standalone plus optional PC interface

Vinyl To Cd Preamplifier by Terry de Vaux-Balbirnie
Copy your old records to CD, and perhaps enhance their quality in the process!

Ingenuity Unlimited hosted by Alan Winstanley
Switch Mode Fan Regulator; 555 Astable

SERIES AND FEATURES

Circuit Surgery by Alan Winstanley and Ian Bell
Back to Darlington; Soldering tips, types and fumes

New Technology Update by Ian Poole
Quantum mechanics and Heisenberg's Uncertainty Principle could impact on the architecture of future computers

Practically Speaking by Robert Penfold
A practical look at project construction while you are still a novice

Net Work - The Internet Page surfed by Alan Winstanley
Frantic about FTP?; Broadband Thermometer; LeechGet your Files

Flowcode for PICmicro plus PIC Development Boardby Terry de Vaux-Balbirnie
Reviewing two PIC programming aids now available via our CD-ROMs pages

Logic Gate Inverter Oscillators - Part 1 by George Hylton
A compendium of practical oscillator circuits for creative experimenters


August 2002 Purchase this issue
PROJECTS AND CIRCUITS

Pickpocket Alarm by Bart Trepak
Keep bags safe from the artful dodger.

PIC World Clock by John Becker
Graphically displays world map, calendar, clock and global time-zone data.

Big-Ears Buggy by Thomas Scarborough
Sound-activated mobile "pet" buggy that follows your voice.

Simple Audio Circuits - Part 4 - Loudspeaker Enclosures, Tuning Oscillator and Resonance Detector by Raymond Haigh
A compendium of useful audio circuits for the experimenting constructor.

Ingenuity Unlimited hosted by Alan Winstanley
RF Data Spike Avoider.

SERIES AND FEATURES

New Technology Update by Ian Poole
Strained silicon technology promises to enhance semiconductor performance.

Circuit Surgery by Alan Winstanley and Ian Bell
Mini Siren; Transformer Sizes; Dynamo Torch LED; Brighter LEDs.

Evolutionary Electronics by Chris MacLeod and Grant Maxwell
A revolution in evolution, and anyone can experiment with it.

Using Square Roots With PICS by Peter Hemsley
Explaining how a neat software routine calculates an essential maths function.

Interace by Robert Penfold
Using MSCOMM to receive serial data.

Net Work - The Internet Page surfed by Alan Winstanley
More on Viruses.

Teach-In 2002 - Part 10 by Ian Bell and Dave Chesmore
Concluding this series with a look at Advanced Sensors and Radio Telemetry Systems.


July 2002 Purchase this issue
PROJECTS AND CIRCUITS

Infra-Red Autoswitch by Max Horsey
Keeps work-surface lights turned on only while you are near to them.

Ingenuity Unlimited hosted by Alan Winstanley
Velocity Detector; Car Battery Trickle Charger.

EPE Stylopic by John Becker
Have fun with a modern interpretation of a classic musical instrument!

Simple Audio Circuits - Part 3 - Power Supplies, Loudspeakers, Crossover Networks and Filters by Raymond Haigh
A compendium of useful audio amplifier circuits for the experimenting constructor.

Rotary Combination Lock by Thomas Scarborough
Pure logic and a "stack of cards" function enhance security

SERIES AND FEATURES

New Technology Update by Ian Poole
Holographic techniques could revolutionize computer data storage.

Using the PIC'S PCLATH Command by John Waller
How to access PIC addresses beyond 2K and place tables outside the basic 256 byte block.

Circuit Surgery by Alan Winstanley and Ian Bell
Bandgap Voltages; More on X and Y capacitors; Yaesu Battery Charger again.

Practcially Speaking by Robert Penfold
A practical look at interpreting component codings.

Net Work - The Internet Page surfed by Alan Winstanley
Search Engines; Tiscali 10.0

Teach-In 2002 - Part 9 - Filters, Analogue-to-Digital Conversion, Sampling, and Nuclear Radiation Sensing by Ian Bell and Dave Chesmore.


June 2002 Purchase this issue
PROJECTS AND CIRCUITS

Biopic Heartbeat Monitor by John Becker
Take a peek at the rhythmic waveforms that keep you ticking.

Ingenuity Unlimited hosted by Alan Winstanley
L.E.D. Sequencer; Quiz Master.

World Lamp by Thomas Scarborough and Surya Rao Maturu
Low cost lighting when there's no mains supply available.

Simple Audio Circuits - Part 2. Preamplifiers, Tone Controls and Filters by Raymond Haigh
A compendium of useful audio amplifier circuits for the experimenting constructor.

Frequency Standard Generator by Andy Flind
High precision 1Hz to 100kHz frequency source, derived "off-air".

SERIES AND FEATURES

New Technology Update by Ian Poole
Glass and silver high speed non-volatile memories.

Circuit Surgery by Alan Winstanley and Ian Bell
Darlington Transistors; Scope Grounding; Fleming's Rules; X/Y Capacitors.

Interface by Robert Penfold
Accessing Serial Ports via MSCOMM Control.

Net Work - The Internet Page surfed by Alan Winstanley
Broadband services.

Teach-In 2002 - Part 8 - Filters, Actuators, Smoke and Gas Detection with experiments by Ian Bell and Dave Chesmore.


May 2002 Purchase this issue

PROJECTS AND CIRCUITS

Freezer Alarm by Humphrey Berridge
How to prevent your food from defrosting unexpectedly.

PIC Big-Digit Display by John Becker
Control the giant ex-British Rail platform clock 7-segment digits that are now available on the surplus market.

Ingenuity Unlimited hosted by Alan Winstanley
Battery Discharger; Emergency Light.

Simple Audio Circuits - 1. Power Amplifiers by Raymond Haigh
A compendium of useful audio amplifier circuits for the experimenting constructor.

Washing Ready Indicator by Terry de Vaux-Balbirnie
Has the washing machine finished? - Avoid those washday blues.

SERIES AND FEATURES

New Technology Update by Ian Poole
Dye molecules improve solar cell efficiency.

Practically Speaking by Robert Penfold
A general look at using enclosures with your projects.

Net Work - The Internet Page surfed by Alan Winstanley
Stripboard designing software.

Circuit Surgery by Alan Winstanley and Ian Bell
Linear opto-coupling; Dog and Cat Scarer circuit details.

Teach-In 2002 - Part 7 by Ian Bell and Dave Chesmore
Comparators and digital optical sensing, plus more on Noise (with experiments).


April 2002 Purchase this issue

PROJECTS AND CIRCUITS

Electric Guitar Tuner by Robert Penfold
Six fixed frequencies and an l.e.d. help you to stay in tune.

Ingenuity Unlimitged hosted by Alan Winstanley
Switch Mode Regulators; Lottery Predictor.

PIC Controlled Intruder Alarm by John Becker
A sophisticated multi-zone intruder detection system that offers deluxe monitoring facilities.

Manual Stepper Motor Controller by Thomas Scarborough
Illustrates how a 4-phase stepper motor can be controlled bi-directionally using a conventional rotary switch.

Solar Charge And Go by Terry de Vaux-Balbirnie
Use solar power to charge your 2.4V or 3.4V NiCad and nickel metal hydride mobile phone batteries.

SERIES AND FEATURES

New Technology Update by Ian Poole
FinFET devices feature ultra-thin silicon fins that further-reduce chip sizes.

Teach-In 2002 - Part 6 Magnetic Sensors, Interference and Noise with experiments by Ian Bell and Dave Chesmore

Interface by Robert Penfold
PC Serial Port Interfacing.

Net Work - The Internet Page surfed by Alan Winstanley
Java applets speed EPEonline ordering; JBMail helps reduce spam.

Electronic Principles V7.1 Review by Robert Penfold
The range of V7.1 is vast, offering tutorials on various aspects of computing, electronics, maths, physics, etc., with interactive screens.

Programming PIC Interupts - Part 2 by Malcolm Wiles
How to use interrupts successfully with your PIC programs.

Circuit Surgery by Alan Winstanley and Ian Bell
More on grounded and floating supply lines; Charging Yaesu transceiver batteries; Eco Warrior battery charging.


March 2002 Purchase this issue
PROJECTS AND CIRCUITS

MK484 Shortwave Radio by Tom Merryfield
The MK484 is a replacement for the once-popular ZN414 radio receiver IC.

Ingenuity Unlimited hosted by Alan Winstanley
Lightning Detector; Dog and Cat Scarer; Pico Prizewinners.

RH Meter by Bill Mooney
How healthy is the moisture content in your home? By monitoring its relative Humidity you can then take steps to control it.

PIC Virus Zapper by Andy Flind
Can disease be cured electronically? Investigate this controversial subject for yourself!

PIC Mini-Enigma by Nick Dossis
Share encrypted messages with your friends - true spymaster entertainment!

SERIES AND FEATURES

New Technology Update by Ian Poole
Superconducting transistors evolved from astronomical research.

Circuit Surgery by Alan Winstanley and Ian Bell
Choosing the right battery; Four-layer devices.

Programming PIC Interupts - Part 1 by Malcolm Wiles
How to use interrupts successfully with your PIC programs.

Teach-In 2002 - Part 5 - Taking the pressure - more on strain, plus accelerometers and pressure sensors with experiments by Ian Bell and Dave Chesmore
Continuing our tutorial and practical series - making sense of the real world.

Practically Speaking by Robert Penfold
A general look at cable and wiring requirements and types.

Net Work - The Internet Page surfed by Alan Winstanley
DVD Resources; Stripboard Designer.


February 2002 Purchase this issue
PROJECTS AND CIRCUITS

Guitar Practice Amp by Bart Trepak
Enjoy playing in private without annoying the neighbors.

HT Power Supply by Robert Penfold
Provides up to 120V d.c. to power your favorite antique value radio.

PIC Spectgrum Analyzer by John Becker
PIC-controlled PC Interface for analyzing analogue waveforms and displaying their harmonic content.

Versatile Current Monitor by Terry de Vaux-Balbirnie
Monitors equipment current flow and warns if it significantly changes.

Ingenuity Unlimited by Alan Winstanely
Smart Alarm Timer; L.E.D. Dynamo Torch; Walkman in a Car.

SERIES AND FEATURES

New Technology Update by Ian Poole
Electrolytic capacitors using new polymers and a muiti-foiled structure achieve lower ESR.

Interface by Robert Penfold
Producing a DIY MIDI Adapter for your PC.

Russian Space Shuttle Revisited by Barry Fox
Buran was a mothballed since 1988 but may soon fly again.

Circuit Surgery by Alan Winstanely and Ian Bell
Unconfusing fuses; Electrolytics Unravelled.

Teach-In 2002 - Part 4 - Good vibrations - Measuring Stress, Strain, and Vibratio with experiments by Ian Bell and Dave Chesmore
Continuing our tutorial and practical series - making sense of the real world electronics to measure the enviroment.


January 2002 Purchase this issue
PROJECTS AND CIRCUITS

PIC Magick Musick by John Becker
A spellbinding experience at the slightest wave of your hand.

Ingenuity Unlimited by Alan Winstanley
Precision UV Timer; Transistor/Diode Go/No-Go Checker.

Time Delay Touch Switch by Bart Trepak
A self-contained mains switch that will automatically turn off its lights ranges of 100Ma to 1A.

Forever Flasher by James Scarborough
An easy build project that will flash a LED for 20 years or more.

SERIES AND FEATURES

New Technology Update by Ian Poole
A bumpless drive to squeeze one billion transistors into a single i.c. package.

Practically Speaking by Robert Penfold
Component identification symbols and circuits translation.

Circuit Surgery by Alan Winstanley and Ian Bell
Taking a mathematical approach to solve a filter problem.

CD-ROM Review by Terry de Vaux Balbirine
Test driving the electronics circuits and components V2.0 disk.

Teach-In 2002 - Part 3 - More on op.amps in sensors plus humidity sensors by Ian Bell and Dave Chesmore

Net Work -The Internet Page by Alan Winstanley
Annual reflection on the state of British internet market


December 2001 Purchase this issue
PROJECTS AND CIRCUITS

Twinkling Lights by Terry de Vaux-Balbirnie
A beautiful 4-channel lighting effect for your Christmas tree or party.

Mains Failure Alarm by Bart Trepak
Monitor your mains connections and project your freezer or fish tank.

Ghost Buster by Andy Flind
Spooky feeling all around you? Track down their source!

PIC Polywhatsit by John Becker
A novel compendium of delay-based musical effects.

Ingenuity Unlimited hosted by Alan Winstanley
Squash Switch; Fine Turning Aid for AM Receivers.

SERIES AND FEATURES

New Technology Update by Ian Poole
A brief history of l.e.d.s, and how they could replace incandescent lamps.

Teach-In 2002 - Part 2 - More on Temperature Sensors and Opamps plus a discussion on opto-sensors By Ian Bell and Dave Chesmore
Continuing our tutorial and practical series making sense of the real world: electronics to measure the environment.

Marconi - The Father Of Radio By Ian Poole
G3YWX Commemorating the centenary of the first transatlantic radio transmission.

Interface by Robert Penfold
Simple Analogue to digital converter using a 12 bit chip.

Net Work - The Internet Page by Alan Winstanley

Circuit Surgery by Alan Winstanley and Ian Bell
Transconductance Amplifiers; Heatsinks Revisited.


November 2001 Purchase this issue

PROJECTS AND CIRCUITS

Capacitance Meter by David Ponting
Allows any capacitor type to have it's true value readily measured.

Teach-In 2002 Power Supply by Alan Winstanley
Supplies +/-12V and +5V at 600mA

Lights Needed Alert by Terry de Vaux-Balbirnie
Ensure your car can be seen when driven in poor lighting conditions.

Ingenuity Unlimited by Alan Winstanley
Automatic Day Indicator; Christmas Star; Emergency Light Unit.

Pitch Switch by Thomas Scarborough
A novel sound-operated switch with precise frequency response.

SERIES AND FEATURES

Teach-In 2002 - Part 1 - Sensors, The Environment, Units and Equations, Temperature by Ian Bell and Dave Chesmore
The first feature in a 10-part tutorial and practical series - making sense of the real world: electronics to measure the environment.

New Technology Update by Ian Poole
New fuel cells and biological switchs.

Circuit Surgery by Alan Winstanley and Ian Bell
Wiring transistors in parallel.

Network - The Internet Page surfed by Alan Winstanley
Take control of your email and help beat junk and viruses.

Practically Speaking by Robert Penfold
A general look at transistors and their heat-sinking requirements.


October 2001 Purchase this issue
PROJECTS AND CIRCUITS

Camcorder Power Supply by Terry de Vaux-Balbirnie
Battery replacement with a lot more bottle!

PIC Toolkit Mk3 by John Becker
An enhanced PIC microcontoller programming development board, and prelude to next month's exciting new Windows-based TK3 software!

2-Valve SW Receiver by Robert Penfold
A nostalgic and simple design for valve radio enthusiasts.

Igenuity Unlimited by Alan Winstanley
Three-way lighting.

Perpetual Pojects - Part 4 by Thomas Scarborough
Three more solar-powered projects to complete the series - Gate Sentinel, Bird Scarer, In-Out Register.

SERIES AND FEATURES

Circuit Surgery by Alan Winstanley and Ian Bell
Heatsink calculations.

New Technology Update by Ian Poole
Thermocouple-based accelerometers dispense with moving parts.

Traffic Control by Owen Bishop
SCOOT systems speed the flow of road traffic and pedestrians.

Net Work - The Internet Page surfed by Alan Winstanley
Sircam and other worms and viruses.

Interface by Robert Penfold
Single-chip 32-bit output port.


September 2001 Purchase this issue
PROJECTS AND CIRCUITS

Water Monitor by John Becker
How costly is it to keep your garden watered? Find out and control it.

Ingenuity Unlimited hosted by Alan Winstanley
Wien Bridge Audio Generator; Precision Stereo Volume Control

LED Super Torches by Andy Flind
Two high-tech (one super-high-tech) designs to brighten your nights.

Perpetual Projects - Part 3 by Thomas Scarborough
Three more solar-powered projects - Loop Burglar Alarm, Touch-Switch Door-Light, Solar-Powered Rain Alarm - plus seven suggestions for variants.

Synchronous Clock Driver by Andy Flind
By popular request - a dual-frequency 50Hz/60Hz converter for mains-operated synchronous clocks.

SERIES AND FEATURES

New Technology Update by Ian Poole
Small is efficient when it comes to packaging.

Controlling Flight by Owen Bishop
An insight into how electronics helps to maintain aircraft safety.

Practically Speaking by Robert Penfold
A novice's guide to why some pins can be left unconnected.

Net Work - The Internet Page surfed by Alan Winstanley.

Circuit Surgery by Alan Winstanley and Ian Bell
Curious Decoupling; Some Like it Hot.


August 2001 Purchase this issue
PROJECTS AND CIRCUITS

Digitimer by by Steve Challis
Enhance your ease of viewing - build an add-on VCR record timer unit for Sky TV

Lead-Acid Battery Charger by Terry de Vaux-Balbimie
Keep your 6V and 12V batteries in a properly charged condition.

Perpetual Projects - Part 2 - LED FLASHER and DOUBLE DOORBUZZER by Thomas Scarborough
Two more perpetual projects for which you can be "eternally" grateful!

Ingenuity Unlimited hosted by Alan Winstanley
PC Sound System; Reliable Touch-Sensitive Switch; Pico Prize Winners

Compact Shortwave Loop Aerial by Raymond Haigh
This Q-multiplied loop amplifies signals and nulls out electrical interference. Four plug-in loops covering 1.5MHz to 30MHz.

SERIES AND FEATURES

New Technololy Update by Ian Poole
Are nano-pipes the future for transistor technology?

Iterface by Robert Penfold
Logic IC monitoring via a PC

Controlling Power Generation by Owen Bishop
PID control systems help maintain supplies of electrical power

Net Work - The Internet Page surfed by Alan Winstanley
Software Overload; SuperCat; SuperSearch

Circuit Surgery by Alan Winstanley and Ian Bell
New Case Alarm


July 2001 Purchase this issue
PROJECTS AND CIRCUITS

Stereo/Surround Sound Amplifier by Max Horsey and Tom Webb
An easy-to-build design whose effect, considering its inexpensive cost, is convincing!

Ingenuity Unlimited hosted by Alan Winstanley
Zener Diode Tester; Cupboard Door Monitor.

PIC to Printer Interface by John Becker
How to use dot-matrix printers as data loggers with PIC microcontrollers.

Perpetual Projects - Part 1 - Solar-Powered Power Supply and Voltage Regulator by Thomas Scarborough
Free power for your projects! The first in a new series.

MSF Signal Repeater and Indicator by Andy Flind
How to receive MSF radio clock signals in a shielded building.

SERIES AND FEATURES

New Technology Update by Ian Poole
Non-volatile memory based on CD-ROM technology.

Circuit Surgery by Alan Winstanley and Ian Bell
Keep it in the logic family; Capacitors, Resisters, and Voltages; More on Multipliers.

The World of PLCs by Owen Bishop
Programmable logic controllers offer many advantages in industrial manufacturing.

Net Work - The Internet Page surfed by Alan Winstanley
Googlifying New Groups; Sponsored search adverts.


June 2001 Purchase this issue
PROJECTS AND CIRCUITS

Magfield Monitor by Andy Flind
A sophisticated fluxgate sensor monitors static and alternating magnetic fields and outputs processed signals to a meter and headphones.

Dummy PIR Detector by Bart Trepak
An extremely inexpensive way to fool would-be intruders.

Hosepipe Controller by Terry de Vaux-Balbirnie
How to avoid wasting money when watering your garden.

Ingenuity Unlimited hosted by Alan Winstanley
Transistor Tester; DMM Auto Power Off; Broken Field Detector

In-Circuit Ohmmeter - Our final Top-Tenner ("Beginners") project enables you to measure in-circuit resistance.

SERIES AND FEATURES

Controlling Jodrell Bank by Owen Bishop
An insight into how electronics plays a vital role in our investigations of the Universe.

New Technology Update by Ian Poole
Silicon-germanium semiconductors promise higher speed and more compact architectures.

Net Work - The Internet Page surfed by Alan Winstanley
Search and you shall find (usually) - how search engines work.

PIC16F87x Extended Memory by John Becker
How to use the additional memory banks of the PIC16F87x devices.

Practically Speaking by Robert Penfold
A novice's guide to trouble-shooting project assembly.

Circuit Surgery by Alan Winstanley and Ian Bell
More on Impedance Matching; Silenium Rectifiers


May 2001 Purchase this issue
PROJECTS AND CIRCUITS

PIC Graphics LCD Scope by John Becker
Long awaited, a PIC and Graphics LCD signal monitor for your workshop.

Camcorder Mixer by Terry de Vaux-Balbirnie
Enhance the sound of your home video productions.

DC Motor Controller by Owen Bishop
Simply and inexpensively control low-voltage motors or lamps with this month's Top Tenner (beginners) project.

Intruder Alarm Control Panel - Part 2 - by John Griffiths
Concluding the 5-zone microcontrolled security system designed to meet British Standards specification BS4737.

Ingenuity Unlimited hosted by Alan Winstanley
Body Charge Detector; Flashing Christmas Tree; Solid State Switch; Electronic Tuning Fork.

SERIES AND FEATURES

New Technology Update by Ian Poole
Audio Quality is being further improved by digital amplification.

Circuit Surgery by Alan Winstanley and Ian Bell
Impedance Matching; Phase Locked Loops Revisited; PCB Solvents.

Interface by Robert Penfold
Going active with Visual BASIC 5 Control Creation edition.

Net Work - The Internet Page Surfed by Alan Winstanley
Defend yourself against "cookie spyware".

The Schmitt Trigger - Part 7 - Hysteresis in specialized devices by Anthony H. Smith
Concluding our guide to investigating and using Schmitt triggers.


April 2001 Purchase this issue
PROJECTS AND CIRCUITS

Wave Sound Effect by Robert Penfold
Let the susurration of the waves soothe intrusions on your senses.

Intruder Alarm Control Panel by John Griffiths
5-zone micro-controlled security system designed to meet British Standards specification BS4737

Sound Trigger by Owen Bishop
How to use a sound trigger/switch to control a low-voltage light.

EPE Snug-Bug by Mike Delaney
Treat your tropical pets to a personalized 4-channel heating system.

Ingenuity Unlimited hosted by Alan Winstanley
12V Sealed Lead/Acid Charger; Audio Preamplifier; Model Police Car LEDs

SERIES AND FEATURES

New Technology Update by Ian Poole
3D liquid crystal displays become reality.

Practically Speaking by Robert Penfold
A novice's guide to trouble-shooting project assembly

Circuit Surgery by Alan Winstanley and Ian Poole
More on phase-locked loops.

Net Work - The Internet Page surfed by Alan Winstanley
EPE Online Shop

The Schmitt Trigger - Part 6 - Further Digital Applications by Anthony H. Smith
A designer's guide to investigating and using Schmitt Triggers


March 2001 Purchase this issue
PROJECTS AND CIRCUITS

Doorbell Extender by David Ponting
Through-the-mains controller links your doorbell and garage or workshop, plus remote appliance switching.

Body Detector by Thomas Scarborough
Create your own "invisible shield" and let the force protect you!

DIY Tesla Lightning by Nick Field
Build a giant Tesla Coil and challenge Zeus at creating lightning!

Circuit Tester by Owen Bishop
Simply check for open and short circuits with another "Top Tenner" project.

SERIES AND FEATURES

New Technology Update by Ian Poole
Processors having 400 million transistors and running at 10GHz will soon be reality.

Net Work - The Internet Page surfed by Alan Winstanley
Firewall Software

Understanding Inductors by Raymond Haigh
Chokes, coils, and transformers - a practical look at these important components.

Interface by Robert Penfold
Multi-channel analog-to-digital PC Interface.

Circuit Surgery by Alan Winstanley and Ian Bell
Phase-locked loops.

The Schmitt Trigger - Part 5 - Digital Applications by Anthony H. Smith
A designer's guide to investigating and using Schmitt Triggers.


February 2001 Purchase this issue

SPECIAL SUPPLEMENT

How to Use Graphics LCDs With PICS by John Becker
A step-by-step guide to understanding and using pixel-matrixed graphics liquid crystal displays with your PIC microcontroller projects.
PROJECTS AND CIRCUITS

Ice Alert by Terry de Vaux-Balbirnie
Tri-color LED wards motorists and gardeners of impending frost danger.

Simple Metronome by Owen Bishop
Have a good musical time with another "Top Tenner" beginner's project.

Ingenuity Unlimited hosted by Alan Winstanley
Garden Lighting Controller.

PC Audio Power Meter by Robert Penfold
How to create your own local two-way chat zone.

PIC-Monitored Dual PSU by John Becker
Workshop power supply with multiple options and monitoring of voltage and current using a PIC microcontroller plus LCD readout.

SERIES AND FEATURES

New Technology Update by Ian Poole
Organic LEDs make their appearance.

Circuit Surgery by Alan Winstanley and Ian Bell
Voltage Multipliers; More on Multimeters.

Net Work - The Internet Page surfed by Alan Winstanley
Net Browser Formats.

The Schmitt Trigger - Part 4 Astable, PWM, Triangle Waveforms, Transducer Interface by Anthony H. Smith
A designers' guide to investigating and using Schmitt triggers.


January 2001 Purchase this issue
PROJECTS AND CIRCUITS

Versatile Optical Trigger by Owen Bishop
A Top-Tenner beginner's project for light-controlled electrical equipment.

UFO Detector and Event Recorder by Raymond Haigh
Charting the X-files revolution!

Ingenuity Unlimited hosted by Alan Winstanley
Wide Range Squarewave Generator; Etch Tank/UV Light Box Control System; Pico Prizewinners.

Two-Way Intercom by Andy Flind
How to create your own local two-way chat zone.

PIC-Monitored Dual PSU by John Becker
Workshop power supply with multiple options and monitoring of voltage and current using a PIC microcontroller plus LCD readout.

SERIES AND FEATURES

Using PICS and Keypads by John Becker
How to Interface PICs to matrixed keypad switches, plus LCD readout.

New Technology Update by Ian Poole
Organic Lasers.

Circuit Surgery by Alan Winstanley and Ian Bell
Voltage Multiplier Circuits; UK/USA Clock Rates.

The Schmitt Trigger - Part 3 Precision Triggers and Multivibrators by Anthony H Smith
A designer's guide to investigating and using Schmitt triggers.

Practically Speaking by Robert Penfold
A novice's guide to component polarity.

Net Work - The Internet Page surfed by Alan Winstanley
Backing-Up Security; Unwilling BT Partners.

CIRSIM Shareware Review by Colin Sloan
Examining a Circuit Simulation Program for PC Computers.


December 2000 Purchase this issue
PROJECTS AND CIRCUITS

PIC-Monitored Dual PSU - Part 1 by John Becker - Workshop power supply with multiple options and monitoring of voltage and current using a PIC microcontroller plus LCD readout.

Static Field Detector by Robert Penfold - An amusing "electroscope" starter project that reveals if your friends are "highly charged"!

Motorists' Buzz Box by Terry de Vaux-Balbirnie - A multipurpose piece of test equipment for the intrepid car owner.

Ingenuity Unlimited hosted by Alan Winstanley - Car Wash-Wipe Latch; Missed Call Indicator; Scissors, Paper, Stone.

Special Christmas Supplement (Available FREE from the EPE Online Library)

Twinkling Star by Bart Trepak - Twinkle twinkle little LED, brighten our festives as we're fed!

Christmas Bubble by Owen Bishop - Keep the party balloons intact - watch light bubbles burst instead!

Festive Fader by Steve Dellow - Relax your Noelistic senses with smoothly changing lighting effects!

Pictogram hosted by Andy Flind - Become a novelty flasher at the Mad Hatter's (or other's) Christmas party!

SERIES AND FEATURES

New Technology Update by Ian Poole - Inkjet and optical technologies combine to provide greater comms bandwidth.

Circuit Surgery by Alan Winstanley and Ian Bell - Switched-Mode Power Supplies.

The Schmitt Trigger - Part 2 OPAMP and Comparator Triggers by Anthony H Smith - A designer's guide to investigating and using Schmitt triggers.

Interface by Robert Penfold - Extended temperature PC Interface Software.

Net Work - The Internet Page surfed by Alan Winstanley - Freeserve and other "unmetered" servers.

Quasar Kits Review by Robert Penfold - Examining the merits of a dozen electronic kits from Quasar.


November 2000 Purchase this issue
PROJECTS AND CIRCUITS

Sample-and-Hold by Owen Bishop - A Top-Tenner add-on unit for your multimeter.

Opto-Alarm System by Stephen Spencer - Keep would-be intruders at bay with this portable, optically balanced security alarm.

PIC Pulsometer by Richard Hinckley - Accurately measures and displays timings, frequency, and capacitance.

Handclap Switch by Tom Webb - Let there be light - quick as the clappers!

Ingenuity Unlimited hosted by Alan Winstanley - Single-Phase Power Regulator; Macrovision Blanker.

SERIES AND FEATURES

New Technology Update by Ian Poole - A new combined dual chipset improves digital image capture.

Circuit Surgery by Alan Winstanley and Ian Bell - Circuit breakers; PCB track widths.

PIC Toolkit MK2 Update 2.4 by John Becker - More software facilities are added to this versatile PIC programmer.

The Schmitt Trigger - Part 1 Bipolar Transistor Triggers by Anthony H Smith - A designer's guide to investigating and using Schmitt triggers.

PIC Logicator Review by Robert Penfold - How to learn PIC programming by the flow chart method.

Net Work - The Internet Page surfed by Alan Winstanley - AltaVista Cashes out; Sense of Deja Vu; V.92 Modems.


October 2000 Purchase this issue
PROJECTS AND CIRCUITS

Wind-Up Torch/Flashlight by Thomas Scarborough - An occasional twist of a knob provides light without battery power.

PIC-Based Dual-Channel Virtual Oscilloscope by John Becker - A virtual oscilloscope Interface for monitoring audio frequency signals via your computer.

Fridge/Freezer Alarm by Owen Bishop - Another "Top-Tenner" project, audibly warns of imminent money loss!

EPE Moodloop Field Strength Indicator by Andy Flind - Check that your Moodloop's loop is working, and find the sources of 50HZ mains fields.

Ingenuity Unlimited hosted by Alan Winstanley - Anti-Tamper Loop Alarm; Doorbell Extension and Entry/Exit Indicator; Mini Photo Slave Flash; Color TV Tester Add-On.

SERIES AND FEATURES

New Technology Update by Ian Poole - IBM proposes a microprocessor that performs one quadrillion operations per second.

Teach-In 2000 - Part 12 - 7-segment displays, liquid crystal displays (LCDs), Digital-to-Analogue, Miscellany by John Becker - Concluding our 12-part series providing essential info for the electronics novice, with breadboard experiments and interactive computer simulations.

Circuit Surgery by Alan Winstanley and Ian Bell - Testing transistors the quick and easy way; Keep soldering on; Earthy feelings.

Interface by Robert Penfold - Digital and Analogue Temperature PC Interface.

Peak Atlas Component Analyzer Review by Andy Flind - Testing a surprisingly powerful semiconductor analyzer.

Net Work - The Internet Page surfed by Alan Winstanley - Multiple Choice Mail; Problems Addressed.


September 2000 Purchase this issue
PROJECTS AND CIRCUITS

Steeplechase Game by Owen Bishop - Another Top-Tenor design - how well can your horse jump the fences?

Active Ferrite Loop Aerial by Raymond Haigh - Superbly designed vertically and horizontally rotating reception optimizer.

EPE Moodloop Power Supply by Andy Flind - Stable power your Moodloop and other 13.2V or 12V 1A designs.

Remote Control IR Decoder by Roger Thomas - Allows PIC programming enthusiasts to remotely control their designs.

Ingenuity Unlimited hosted by Alan Winstanley - PIC UPS; Loudener; Radio Sleep Timer; 'Scope Synchronizer.

SERIES AND FEATURES

New Technology Update by Ian Poole - Micromagnetic isolation enhances high-speed data transfer.

Teach-In 2000 - Part 11 by John Becker - Voltage regulation, integration, and differentiation. Essential info for the electronics novice, with breadboard experiments and interactive computer simulations.

Circuit Surgery by Alan Winstanley and Ian Bell - Common Ground; Beginner's Questions; Shocking Stuff; Ferric Disposal; Assault and Ni-Cad Battery; Gas Gauge Chips; Down with Heavy Metal; RAM your Batteries.

Practically Speaking by Robert Penfold - A novice's guide to project building.

Net Work - The Internet Page surfed by Alan Winstanley - Check the Google box.


August 2000 Purchase this issue
PROJECTS AND CIRCUITS

Handy-AMP by Terry de Vaux-Balbirnie - A simple multi-purpose amp with built-in speaker and headphone output.

Quiz Game Indicator by Max Horsey and Tom Webb - A low-cost fun project that cannot be questioned.

EPE Moodloop by Andy Flind - Have a relaxing "field-day" (or night) with Andy's latest mood modifier!

DoorR Protector by Owen Bishop - The first in a series of "Top-Tenner" projects, featuring simple designs that can be built for around 10 UK pounds ($16 US)

Ingenuity Unlimited hosted by Alan Winstanley - Cool Controller; VOM Continuity Buzzer; Square Wave Circuit.

SERIES AND FEATURES

New Technology Update by Ian Poole - Atom-sized electronic devices are being developed.

Teach-In 2000 - Part 10 by John Becker - Transformers and Rectifiers. Essential info for the electronics novice, with breadboard experiments and interactive computer simulations.

Cave ElectronicS by Mike Bedford - How electronics assists (and electro-lights) explorers of the troglodyte underworld!

Circuit Surgery by Alan Winstanley and Ian Bell - Get wise about Piecewise and Lambda.

Interface by Robert Penfold - Four-Range Resistance Meter PC Interface.

Net Work - The Internet Page surfed by Alan Winstanley - BT's Surftime, UNIX Permissions.


July 2000 Purchase this issue
PROJECTS AND CIRCUITS

Camera Shutter Timer by Robert Penfold - Make sure you get the right exposure with this simple design.

g-Meter by Bill Mooney - Uses a space age chip to measure g- forces.

PIC-GEN Frequency Generator/Counter by John Becker - Versatile PIC-based test equipment.

Atmospheric Electricity Detector - Part 2 by Keith Garwell - Investigate naturee's powerhouse with this intriguing experimental design.

Ingenuity Unlimited hosted by Alan Winstanley - Multipurpose AC Detector/Switch; Versatile Car Interior Light Delay; Musical Chip Amplifier; Narrow SCSI Active Terminator

SERIES AND FEATURES

New Technology Update by Ian Poole - Aerogel foam capacitors.

Circuit Surgery by Alan Winstanley and Ian Bell - Checking the Chips; Low Voltage Detector.

Practically Speaking by Robert Penfold - Front panel labels for projects.

PICO DrDAQ Review by Robert Penfold - Robert puts a data logger from Pico Technology through its paces.

Teach-In 2000 - Part 9 by John Becker - Transistors. Essential info for electronic novices with bread board experiments and interactive computer simulations.

Net Work - The Internet Page surfed by Alan Winstanley - Fried SPAM.


June 2000 Purchase this issue
PROJECTS AND CIRCUITS

Atmospheric Electricity Detector - Part 1 by Keith Garwell - Investigate Nature's power-house with this intriguing experimental design.

Automatic Nightlight by Robert Penfold - A simple starter project to lighten the darkness for the young and the frail.

Canute Tide Predictor by John Becker - A simple tied calculator for paddlers, dabblers, and kings of the sandcastle.

MULTI-CHANNEL TRANSMISSION SYSTEM - Part 1 by Andy Flind - Concluding the 8 to 16-channel 2-wire signaling link with optional Interface for private phones systems

Ingenuity Unlimited hosted by Alan Winstanley - Voltage Booster; Air-flow Detector; Clock Detector; Pico prize winners.

SERIES AND FEATURES

New Technology Update by Ian Poole - New techniques improve the size and efficiency of fuel cells.

Interface by Robert Penfold - Obtaining power from a PC's serial and parallel ports.

Technology Timelines - Part 5 by Clive "Max" Maxfield and Alvin Brown - Concluding the fascinating story of how technology has developed in the last millennium, with a misty gaze into what the future might hold

Teach-In 2000 - Part 8 by John Becker - Comparators, mixers, audio and sensor amplifiers. Essential info for the electronics novice, with breadboard experiments and interactive computer simulations

Circuit Surgery by Alan Winstanley and Ian Bell - Looking for trouble? A constructor's guide to methodical fault finding.

Net Work - The Internet Page surfed by Alan Winstanley - CompuServe in perspective.


May 2000 Purchase this issue
PROJECTS AND CIRCUITS

Versatile MIC/Audio Preamplifier by Raymond Haigh - New chip SSM2166 offers AGC compression, limiting, and noise reduction.

Low-Cost Capacitance Meter by Robert Penfold - An easy-to-build Starter Project that adds a useful tool to your workshop.

Multi-Channel Tranmission System - Part 1 by Andy Flind - An 8 to 16-channel 2-wire signaling link with optional Interface.

PIR Light Checker by Terry de Vaux-Balbirnie - Be trigger happy with your outdoor security light system!

Ingenuity Unlimited hosted by Alan Winstanley - Sensitive Hall Effect Switch; Infrared Remote Tester; Experimenter's Power Supply.

SERIES AND FEATURES

New Technology Update by Ian Poole - Lower operating voltages speed microprocessor rates, but heat dissipation becomes more of a problem.

Technology Timelines - Part 4 - Computing 1900 to 1999 by Clive Maxfield and Alvin Brown - Who, what, where and when - the fascinating story of how technology developed in the last millennium.

Circuit Surgery by Alan Winstanley and Ian Bell - Opamps - outputs and short-circuit protection; Battery Flattery.

Teach-In 2000 - Part 7 by John Becker - Essential info for the electronics novice, with breadboard experiments and interactive computer simulations.

Practically Speaking by Robert Penfold - A novice's guide to using stripboard.

Net Work - The Internet Page surfed by Alan Winstanley - Google Box; Free for All; Under the Surf; Looking Ahead.


April 2000 Purchase this issue
PROJECTS AND CIRCUITS

Flash Slave by Robert Penfold - Make a striking image with this latest starter project.

Garage Link by Terry de Vaux-Balbirnie - An open and shut case for a 418MHz transmitter/receiver link.

Micro-PICscope by John Becker - Plenty of scope for this ingenious piece of portable test gear.

High Performance Regenerative Receiver - Part 1 by Raymond Haigh - Construction of our "art deco" receiver.

Ingenuity Unlimited hosted by Alan Winstanley - PC controlled DC Motor; Omni-directional Pendulum; Brushless Fan Speed Control.

SERIES AND FEATURES

New Technology Update by Ian Poole - Electronic lnk - is this the real dawn of the paper-less office?

Technology Timelines - Part 3 - Communications and Related Technologies 1900 to 1999 by Clive "Max" Maxfield and Alvin Brown - The fascinating story of how technology developed in the last millennium

Interface by Robert Penfold - Bidirectional printer ports.

Teach-In 2000 - Part 6 by John Becker - Logic, gates, binary and hex logic. Essential info for the electronic novice with breadboard experiments and interactive computer simulations.

Circuit Surgery by Alan Winstanley and Ian Bell - Opamps - Getting Loaded; Biased Approach; Socket to Me; Surface-Mount Selection.

Telcan Home Video by Barrie Blake-Coleman - A British first in home video recording.

Net Work - The Internet Page surfed by Alan Winstanley - I'm Sch.uk Up; I'll name that domain in one.


March 2000 Purchase this issue
PROJECTS AND CIRCUITS

Parking Warning System by Tom Webb - Avoid having an unwanted rear entrance to your garage!

High Performance Regenerative Receiver - Part 1 by Raymond Haigh - Beautifully designed receiver covering the 130kHz to 30MHz global broadcast and amateur bands

Automatic Train Signal by Robert Penfold - Easy-to-build, low-cost Starter Project for model railways.

EPE Icebreaker by Mark Stuart - Real-time PIC In-Circuit emulator, programmer, debugger, and development system.

Ingenuity Unlimited hosted by Alan Winstanley - Delay-On Timer; 555 Power Supply; PIC Adapter Socket; Shaky Dice.

SERIES AND FEATURES

New Technology Update by Ian Poole - Magnetic memories threaten conventional and Flash devices.

Technology Timelines - Part 2 - Days of Later Yore and Fundamental 20th Century Electronics by Clive "Max" Maxfield & Alvin Brown - Who, what, where, and when - the fascinating story of how technology developed in the past millennium.

Teach-In 2000 - Part 5 by John Becker - Waveforms, frequency, and time. Essential info for the electronics novice, with breadboard experiments and interactive computer simulations.

Circuit Surgery by Alan Winstanley and Ian Bell - Opamp Differentials; Hot Regulator; Conventional Current Flow.

Practically Speaking by Robert Penfold - A novice's guide to resistors and potentiometers.

Net Work - The Internet Page surfed by Alan Winstanley - Radio Bygones Message Board; Search Engines; Disappearing URLs.


February 2000 Purchase this issue
PROJECTS AND CIRCUITS

Easy-Typist Tape Controller by Andy Flind - Soundly helps copy-typists who can't type!

Voltage Monitor by Robert Penfold - This month's Starter Project illuminates your battery's condition.

PIC Video Cleaner by Mike Delaney - Improving video viewing on poorly maintained TVs and VCRs.

Find It - Don't Lose It by Terry de Vaux-Balbirnie - Offering the key to enlightened location finding!

Ingenuity Unlimited hosted by Alan Winstanley - Mini Disc Optical Interface; VCO Generator.

SERIES AND FEATURES

New Technology Update by Ian Poole - Latest developments in LED efficiency.

Technology Timelines - Part 1 - Days of Yore by Alvin Brown & Clive "Max" Maxfield - Who, what, where, and when - the fascinating store of how technology developed in the past millennium.

Interface by Robert Penfold - 12 Bit serial ADC using the AD7896.

Circuit Surgery by Alan Winstanley and Ian Bell - Bistable Switches; Noise Source; Opamps - Signal Handling.

Teach-In 2000 - Part 4 by John Becker - Diodes and light-emitting diodes (LEDs). Essential info for the electronics novice, with breadboard experiments and Interactive computer simulations.

Net Work - The Internet Page surfed by Alan Winstanley - Sweet Dreamcasts; Cut the Phone Tariffs; Christmas Litmus.


January 2000 Purchase this issue
PROJECTS AND CIRCUITS

Flashing Snowman by Robert Penfold - Add a sparkle of light to your festive decorations with this fun starter project.

Versatile Burglar Alarm by Ian March - Simple, extendable, and easy to use indoor security monitoring.

Scratch Blanker by Robert Penfold - Spin doctoring for a better sound bite!

Vehicle Frost Box by Steve Dellow - Helps predict the presence of black ice.

Ingenuity Unlimited hosted by Alan Winstanley - Low-cost AA to PP3 Converter; Electric Garage Door Status Indicator.

SERIES AND FEATURES

New Technology Update by Ian Poole - New SAW devices act as chemical detectors.

Teach-In 2000 - Part 3 by John Becker - Potentiometers, sensor resistors, and Ohm's Law. Essential info for the electronics novices with breadboard experiments and interactive computer simulations

Tina Pro Review by Mike Tooley BA - Examining an excellent CD-ROM based electronics teaching, design, and analysis tool.

Practically Speaking by Robert Penfold - A novice's guide to mains power projects.

Circuit Surgery by Alan Winstanley and Ian Bell - Teach-In Amplifiers; More on Opamps; Electrical ratings.

Net Work - The Internet Page surfed by Alan Winstanley - Half a Decade On; Effective Suggestions; Pet Hates; The End is Nigh.


December 1999 Purchase this issue
PROJECTS AND CIRCUITS

PIC Micro-Probe by Jim Main - A hardware tool to help debug your PIC software.

Magetic Field Detector by Robert Penfold - Where's the attraction? Find out with this Starter Project!

Loft Guard by Terry de Vaux-Balbirnie - A lofty way to keep your power bills low!

Ginormous Stopwatch - Part 2 by Ned Stojadinovic - Adding giant digits to your Stopwatch display.

Ingenuity Unlimited Special hosted by Alan Winstanley - Serial Port Splitter; Elderly Person Monitor; Rechargeable PP9 Battery; Class-D 30W Audio Amplifier; National Lottery Predictor; Tumble Dryer Alarm; Narrow Band Vision; Squash/Badminton Scorer; Time-Lapse Unit for Camcorder; Audio Limiter.

SERIES AND FEATURES

New Technology Update by Ian Poole - Curly nanotubes could determine the nature of future transistors.

Circuit Surgery by Alan Winstanley and Ian Bell - Opamps 101; Fusible resistors.

Interface by Robert Penfold - A serial approach to PC add-ons.

Practical Oscillator Designs - Part 6 by Raymond Haigh - Resistor/capacitor oscillators. Worked examples and circuit info for hands-on constructors.

Teach-In 2000 - Part 2 by John Becker - Capacitors and RC Timing. Essential info for the electronics novice, with breadboard experiments and interactive computer simulations.

The Joy of EL! by Mike Ceranski - Everything you needed to know about electroluminescent cable but were too afraid to ask!

Net Work - The Internet Page surfed by Alan Winstanley - Jet Scream; Help Us to Help You; Brow-beaten; Help-line.


November 1999 Purchase this issue
PROJECTS AND CIRCUITS

Ginormous Stopwatch - Part 1 by Ned Stojadinovic - Events timer with in-built LCD and remote big digit displays, plus radio-controlled gating.

Vibralarm by Terry de Vaux-Balbirnie - Multi-purpose vibration-triggered alarm with remarkable sensitivity.

Demister One Shot by Terry de Vaux-Balbirnie - Save car battery use and fuel consumption by minimizing rear-screen power-on times!

Acoustic Probe by Robert Penfold - An Audio "telescope" or stethoscope to investigate distant or low-level sounds (another starter project).

Ingenuity Unlimited hosted by Alan Winstanley - One-volt LED.

SERIES AND FEATURES

New Technology Update by Ian Poole - Copper-based interconnections in ICs increase their operational speed.

Teach-In 2000 - Part 1 by John Becker - Color codes and resistors. Essential info for the electronics novice, with breadboard experiments and interactive computer simulations.

Practical Oscillator Designs - Part 5 by Raymond Haigh - Crystal and crystal-controlled oscillators. Worked examples and circuit info for hands-on constructors

Circuit Surgery by Alan Winstanley and Ian Bell - More Earthly Comments; Thermal Conductivity; Oscillator Feedback; Simulations; Asta Movistor.

Practically Speaking by Robert Penfold - A novice's guide to identifying integrated circuits.

Net Work - The Internet Page surfed by Alan Winstanley - Happy Kris-mas; I Seek-You.


October 1999 Purchase this issue
PROJECTS AND CIRCUITS

Interior Lamp Delay by Steve Challis - Don't you just hate being plunged into darkness when the car door shuts? Here's a solution! Plus lights on alarm and battery saver.

Mains Cable Detector by Robert Penfold - This simple starter project detects main cables by sensing their "hum".

QWL Loudspeaker System by John Dix - Enjoy superb hi-fi sound at a fraction of the cost of an equivalent commercial speaker system.

Micro Power Supply by Andy Flind - Supplies a well-regulated + 5V even if your battery's nearly flat!

Ingenuity Unlimited hosted by Alan Winstanley - Shoestring MW Radio; Auto Supply Crowbar.

SERIES AND FEATURES

New Technology Update by Ian Poole - Sensing electron spin-directions increases hard disk densities.

Practical Oscillator Designs - Part 4 by Raymond Haigh - Negative resistance oscillators. Worked examples and circuits information for hands on constructors.

PIC16F87x Mini Tutorial by John Becker - Practical guidance on using the new PIC microcontroller family.

Interface by Robert Penfold - More serial interfacing to your PC.

Circuit Surgery by Alan Winstanley and Ian Bell - Low Voltage 555; Digital Panel Meters; Sound Levels and Decibels.

Net Work - The Internet Page surfed by Alan Winstanley - Explore New Options (MSIE 5.0); 1984 And All That; Looking Ahead.


September 1999 Purchase this issue
PROJECTS AND CIRCUITS

Loop Aerial SW Receiver by Robert Penfold - Discover the thrill of making your own radio with this simple starter project!

Variable Dual Power Supply by Tony Sercombe - Fully variable +/- 3V to +/- 15V up to 500mA, and short proof!

Child Guard by tom Webb - Helping to protect your loved ones, an audible warning sounds if children (or others) approach a fire.

8-Channel Analog Data Logger - Part 2 by John Becker - How to use this highly versatile PIC16F877 mircocontrolled design.

Ingenuity Unlimited hosted by Alan Winstanley - Theatrical Cue Light; Morse Practice Oscillator; Keypad Code Controller; Intercom/Baby Listener; TV Test Pattern Generator

SERIES AND FEATURES

New Technology Update by Ian Poole - Optical phase-shifting helps photolithography reduce chip size.

Power Generation from Pipelines to Pylons - Part 2 by Alan Winstanley - Concluding is on-site tour of electrical power generation and delivery in the UK

Practically Speaking by Robert Penfold - A novice's guide to capacitor types and choices.

Practical Oscillator Designs - Part 3 by Raymond Haigh - Armstrong, Meissner, Franklin, and Butler, plus RF probes. Worked examples and circuit information for hands-on construction.

Circuit Surgery by Alan Winstanley and Ian Bell - Transducer User; Photo-sensor; RMS - Stand by for the Maths; Powerless to Help.

Net Work - The Internet Page surfed by Alan Winstanley - Desoldering guide; Zoom through the Hayes; Big-footed Email for Life; Virus Updates.


August 1999 Purchase this issue
PROJECTS AND CIRCUITS

Ultrasonic Puncture Finder by Bill Mooney - Find that elusive puncture speedily and without water!

Magnetic Field Detective by Andy Flind - A neat and sensitive instrument for detecting low-level magnetic fields.

Freezer Alarm by Robert Penfold - Another low cost starter project - how to avoid an expensive thaw!

8-Channel Analog Data Logger - Part 1 by John Becker - The new PIC16F877 microcontroller offers versatile logging opportunities.

Sound-Activated Switch by Bart Trepak - Just one logic gate allows a sample mic to control - well almost anything.

Ingenuity Unlimited hosted by Alan Winstanley - Loop aerial MW Radio; Mayday Module; NiCad Discharge Unit.

SERIES AND FEATURES

New Technology Update by Ian Poole - Field emission displays challenging CRTs.

Power Generation from Pipelines to Pylongs - Part 1 by Alan Winstanley - An on-site guided tour of how electrical power is generated and delivered in the UK

Interface by Robert Penfold - Visual programming and PC add-ons.

Practical Oscillator Designs - Part 2 by Raymond Haigh - Colpitts and its variants. Worked examples and circuit info for hands on constructors.

Circuit Surgery by Alan Winstanley and Ian Bell - Electric Enlightenment; Mysterious Multivibrator; Transistors in a PICkle.

Net Work - The Internet Page surfed by Alan Winstanley - Explorer 5 Comes of Age; Hidden Worms; Trojan Trounced.


July 1999 Purchase this issue
PROJECTS AND CIRCUITS

12V Battery Tester by Terry de Vaux-Balbirnie - Give a probing health check to your lead-acid batteries.

LED Stroboscope by Robert Penfold - Another low cost starter project - how to freeze the motion of small machines.

EPE Mood Pickler by Andy Flind - Oh for good nights sleep! Insomniacs rejoice - your wakeful nights could be over with this mini-micro under the pillow.

Intruder Deterrent by Bart Trepak - Is there anyone at home? Would-be intruders may never be sure if the lights keep switching.

Ingenuity Unlimited hosted by Alan Winstanley - Superior Heads-Tails indicator; Home Alarm System.

SERIES AND FEATURES

New Technology Update by Ian Poole - New processes provide improved thick film performance.

Circuit SurgerY by Alan Winstanley and Ian Bell - Gate Post - SCR and triac triggering; Stripboard and High Voltages; Currents and Dielectrics.

Practical Oscillator Designs - Part 1 by Raymond Haigh - Hartley and its variants. Worked examples and circuit info for hands-on constructors.

Practically Speaking by Robert Penfold - Making better connections with sockets and switches.

Net Work - The Internet Page surfed by Alan Winstanley - It's a Hoax; Fall-out; Stuck on the Ramp.


June 1999 Purchase this issue
PROJECTS AND CIRCUITS

Clipping Video Fader by Robert Penfold - The first in new series of starter projects - add a simple fading facility to your camcorder/TV link.

PC Audio Frequency meter by Robert Penfold - Use your PC's bidirectional printer port to monitor frequencies up to 32KHz.

Mucial Sundial by John Becker - When the sun has got his hat off (hip-hip-hip-hooray) there's no shadow of doubt you'll find fun with our musical garden gnomon!

PIC Toolkit MK2 - Part 2 by John Becker - Concluding with detailed discussions of the many software options offered by this sophisticated PIC 'F87x and 'x84 programmer.

Ingenuity Unlimited hosted by Alan Winstanley - Car Auxiliary Power Protection; Metal Detector Adapter; Alarm Add-on.

SERIES AND FEATURES

New Technology Update by Ian Poole - Innovative encapsulation heralds even similar i.c. packages.

Alan Dower Blumlein by Barrie Blake Coleman - An unsung genius who greatly influenced the development of 20th century electronics.

Interface by Robert Penfold - Using Delphi to visually program your PC as a virtual meter.

Circuit Surgery by Alan Winstanley and Ian Bell - More on Current Sources; Current Mirrors; Solder Joint Protection; Etching and Electroplating.

Edison 3 Review by Robert Penfold - Talking a close-up look at an upgraded circuit simulation and analysis program.

PhizzyB Computers - Part 8 by Clive "Max" Maxfield and Alvin Brown - And now the (random) end is here, let us say (not IN a shy way), they did it their way - and you've been Phizzybly moved by it, haven't you?

Net Work - The Internet Page surfed by Alan Winstanley - Melissa's Mayhem; Cool Talk; Updates.


May 1999 Purchase this issue
PROJECTS AND CIRCUITS

Midi Handbells by Robert Penfold - Ring out thy bells with merry tolling - plus a MIDI PIC-up of course.

AM/FM Radio Remote Control by Max Horsey - Coded radio remote control has become straightforward and requires no UK license.

PhizzyB Computers - Part 7 by Alan Winstanley - Ma, it's making eyes at me! The PhizzyBot now has vision - here's how …

PIC Toolkit MK2 - Part 1 by John Becker - Expanding Toolkit MK1 to include the new PIC16F87x devices as well as the familiar 'x84s, plus many more features.

Ingenuity Unlimited hosted by Alan Winstanley - Photo Slave Flash Unit; Siren Sounder; Space Case Alarm; Electronic Rotary Switch; Pico Prize Winners

SERIES AND FEATURES

New Technology Update by Ian Poole - New bonding techniques enhance power handing for IGBT devices.

Circuit Surgery by Alan Winstanley and Ian Bell - Current sources - a close-up explanation.

PC Engines - from the 4004 to the PENTIUM III by Errnest Flint - A brief history of time as Intel's microprocessors see it!

Practically Speaking by Robert Penfold - The nuts and bolts of casing your projects more easily.

PhizzyB Computers - Part 7 by Clive "Max" Maxfield and Alvin Brown - Giving PhizzyBility to the PhizzyBot needs a bit of software, but not much.

Net Work - The Internet Page surfed by Alan Winstanley - The worms have turned; Under attack; Don't panic; Update.


April 1999 Purchase this issue
PROJECTS AND CIRCUITS

Mechanical Radio by Bart Trepak - Wrist power provides a renewable radio energy source.

Voice Record/Playback Module by Robert Penfold - Less cuddly than a Firby, but more useful.

Versatile Event Counter by John Becker - Count and time music beats, rowing rates, clock ticks and more.

PhizzyB Computers - Part 6 by Alan Winstanley - It's time to add feelers to the PhizzyBot;s guidance control.

Ironing Board Saver by Robert Hunt - Save energy with this safety add on.

Ingenuity Unlimited hosted by Alan Winstanley - Audio Limiter; Remote Control Tester; Video Amplifier.

SERIES AND FEATURES

New Technology Update by Ian Poole - Micro-electromechanical systems offer computer security solutions.

Modular Circuit Design CD-ROM by Robert Penfold - Software to help hobbyist designers achieve their circuit goals.

PIC16F87x Microcontrollers by John Becker - Microchip's new EPROM PICs have even more to offer than the 84's.

MAX761 DC-to-DC Converter by Andy Flind - How to squeeze the max out of your batteries.

PhizzyB Computers - Part 6 by Clive "Max" Maxfield, Alvin Brown - Routines to program the PhizzyBot with collision detection and avoidance.

Data-Net Review by Robert Penfold - A ten CD-ROM library of semiconductor data is put to the test.

Interface by Robert Penfold - AD8300 serial digital-to-analog converter - PC controlled.

Circuit Surgery by Alan Winstanley - Solid State Relays; Photovoltaic Relays; Electret Microphones - the plot thickens!

Net Work - The Internet Page surfed by Alan Winstanley - Freeserve support costs less; Freeserve sans CD; BT Click goes FREE; … and more!


March 1999 Purchase this issue
PROJECTS AND CIRCUITS

Smoke Absorber by Bill Mooney - You don't really want to inhale solder fumes do you? Help to avoid them with our neat little heat triggered tool.

Auto Cupboard Light by Terry de Vaux-Balbirnie - Let there be light - whenever you open the door to the depths of darkness in your wardrobe!

PhizzyB Computers - Part 5 by Alan Winstanley - Constructing the motorized platform and controller for the PhizzyBot.

Time and Date Generator by Tony Hart - Add time and date codes to your CCTV security monitoring cameras.

Wireless Monitoring System by James Humphris - Our low cost radio linked short-range data longer software and discussing f.m. Conversation.

Ingenuity Unlimited hosted by Alan Winstanley - Motor controller with Center Off.

SERIES AND FEATURES

New Technology Update by Ian Poole - With over five million color pixels, experimental "Roentgen" LCD screens have resolutions approaching that of a human eye.

PhizzyB Computers - Part 5 by Clive "Max" Maxfield and Alvin Brown - Discussing the command routines for controlling the PhizzyBot wheeled robot.

Practically Speaking by Robert Penfold - How to achieve those longer case holes more easily.

Circuit Surgery by Alan Winstanley - Regulators Sum it Up; Electret Microphones; Quick Cap Check.


February 1999 Purchase this issue
PROJECTS AND CIRCUITS

PIC Midi Sustain Pedal by Robert Penfold - Add sustain and glissando to your MIDI line up with this inexpensive PIC-controlled effects unit.

Light Alarm by Gavin Cheeseman - Looking for undercover protection? Try this simple light-activated alarm!

Wireless Monitoring System - Part 1 by James Humpris - Low-cost radio-linked short-range date logging is now readily and simply available.

PhizzyB Computers - Part 4 by Alan Winstanley - Constructing and testing the 8-switch polling and latching modules.

Ingenuity Unlimited hosted by Alan Winstanley - Zener diode tester; Microcontroller Interface for AC monitoring; Reverse Polarity Indicator; AF Sweep Signal Generator

SERIES AND FEATURES

New Technology Update by Ian Poole - MESFETS, PHEMTs, and HBTs. Examining the latest RF semiconductor techniques for cellular phones.

Techniques - Actually Doing It by Robert Penfold - Getting it working when it doesn't!

Scolar Power by Terry de Vaux-Balbirnie B.Sc. - Schools in England are switching on to a new Government scolar power initiative.

Phizzy-B Computers - Part 4 by Clive "Max" Maxfield and Alvin Brown - Examining the respective merits of Polling and Latching techniques.

Circuit Surgery by Alan Winstanley - Electret "Mics"; Textbook Voltage; Relays - More Contacts; PCB facilities in Singapore.

Net Work - The Internet Page surfed by Alan Winstanley - Freeserve Rising Fast; Give it a Whirl; More to Come.


January 1999 Purchase this issue
PROJECTS AND CIRCUITS

Alternative Courtesy Light Controller by Paul Brigham - Motorists - lighten the depths of darkness in your garage or driveway.

Twinkle Twinkle Reaction Game by John Koushappas - Twinkle, twinkle little chip, you'll be tuneful if we're quick!

Volume Compressor by Robert Penfeld - Taking a level approach to cracking the TV ads sound barrier.

PhizzyB Computers - Part 3 by Alan Winstanley - Constructing and testing the alphanumeric LCD Interface board.

EPE Mind Pickler - Part 2 by Andy Flind - Construction of our mind machine - and then you can relax!

Ingenuity Unlimited hosted by Alan Winstanley - Using solenoid valves in place of motorized valves; Mini siren alarm; Cooling monitor for outboard engines.

SERIES AND FEATURES

New Technology Update by Ian Poole - Engineering assembles for future recycling disassembly.

From Russia with Love by Barry Fox - After touring the Russian Cosmodrome, Barry relates how Russian rockets are launching American Satellites.

Circuit Surgery by Alan Winstanley - Solder tips; Logic Circuitry "Internals"; Net those chips; Voltage and Ground.

PhizzyB Computers - Part 3 by Clive "Max" Maxfield and Alvin Brown - Programming with shifts, rotates, stacks, and alphanumeric LCDs.

Update Down Under by Glen Sawyer - Our man on the spot talks about what's hot and what's not down under!

How Virtual is Your Reality? by Clive "Max" Maxfield - A report from the world's largest visual simulation show - ITSEC 98.

Net Work - The Internet Page surfed by Alan Winstanley - Freeserve - Not so Free; The Apple of your iMac; Core Thought


December 1998 Purchase this issue
PROJECTS AND CIRCUITS

EPE Mind Pickler - Part 1 by Andy Flind - Want seven ways to relax? Try our PIC controlled mind machine!

Fading Christmas Lights by Bart Trepak - How seasonal How festive! But how different!

Reliable 15-Way Infra-Red Remote Control - Part 2 by Max Horsey - How to build reliable IR systems and increase your control options.

Handheld Function Generator by Brain Adkinson - Sine, triangle, and square wave signals always at hand, with almost full audio range coverage and output adjustability.

PhizzyB Computers - Part 2 by Alan Winstaney - Constructing and testing the input Switch and output LED Interface boards.

Ingenuity Unlimited hosted by Alan Winstanley - Hot Wire Anemometer; Soldering Iron "Ready" Indicator; Lossless Current Sensing; Foghorn Timing Switch

SERIES AND FEATURES

EW Technology Update by Ian Poole - "Test tube" takes on a new meaning for microelectronics: Oxygenation extends chip performance.

PhizzyB Computers - Part 2 by Clive "Max" Maxfield and Alvin Brown - Discussing the programming for the input and output boards.

CD-ROM Computer Encyclopedia Review by Clive "Max" Maxfield.

Interface by Robert Penfold - Serial LCD Remote Monitor for your PC.

Circuit Surgery by Alan Winstanley - Null modems and D-connectors; Pull-ups and Relays, Light-dependent Switch.

Net Work - The Internet Page surfed by Alan Winstanley - Plight of the navigator; black spot; software selection.


November 1998 Purchase this issue
PROJECTS AND CIRCUITS

PIC Tape Measure by John Becker - You've got it taped if you PIC this ultrasonic measuring calculator.

PhizzyB Computers - Part 1 by Alan Winstanley - Constructing and testing the PhizzyB computer board.

Reliable 15-Way Infra-Red Remote Control - Part 1 by Max Horsey - How to build reliable IR systems and increase your control options.

Ingenuity Unlimited hosted by Alan Winstanley - Audio Frequency Doubler; Logic Gate tester; Courtesy Light Delay; plus prize winners.

SERIES AND FEATURES

New Technology Update by Ian Poole - A device that provides both current and voltage control.

PhizzyB Computers - Part 1 by Clive "Max" Maxfield and Alvin Brown - A new series on understanding computers, introducing the PhizzyB and the PhizzyB Simulator.

Easy PC for Windows 95 by Robert Penfold - Robert puts the latest No.1 Systems program under the microscope.

Circuit Surgery by Alan Winstanley - Ripple of Applause; Tool Case; Buffers for Beginners.


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