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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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?

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!

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!

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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!

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

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

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

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.

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

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

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

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

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

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

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

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?

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

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

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

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

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

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.

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

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

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

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

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

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