CONTENT December 2007 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 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
Transcript
CONTENT December 2007 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 InterFace by Robert Penfold Improving the input voltage span from an A/D converter Circuit Surgery by Ian Bell Connected transistor pairs January 2006 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 The Schmitt Trigger - Part 6 - Further Digital Applications by Anthony H. Smith A designer's guide to investigating and using Schmitt Triggers March 2001 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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.
