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Published on Jun 21, 2012
•'Green' Solar Lamp •16 Ways to Switch your AC Power On •A Zero Current Switch; For inductive Loads •Arduino LC'Deed; Control a display using a (virtual) serial port •Arduino on Course; Part 1a: Welcome & Arduino 8-bit sound generation •ATtiny Goes Wireless •AVR MultiTool; Measure, control, experiment •Battery Maintainer •Bicycle Rear Light; one super LED and 10 components last 5 minutes •Bulb-2-LED Bicycle Light Conversion •Chateau Rising Damp; An ATM18 hygrometer •DC Protection for Speakers •Economical 7-segment Display •Elex Board Layout in LochMaster •Equipment 'ON' Counter for 68 Years Max. •EUC Penta-Hexadoku; Puzzle with an electronics touch •EZ-SMD OpAmp Tweaker Board •FET Radiation Meter •Gee Whiz, a GPIB-to USB Converter; $50 interface circuit brings 80s/90s edebris to life •Goodbye Standby •I've Got the USB Power; But how much in milliamps? •Knitting Counter •Laser Projection with Arduino •LC Oscillator with Pot Tuning •LED Garland Controller; All the colours of the rainbow •LED-LDR Ring Oscillator •Lengths Counter for Swimmers; An example application using speech synthesis, an accelerometer, and a magnetometer •Loudspeaker Resonant Frequency Meter; For laptop or PC •Mini Stroboscope •Mini-Mute; Kill noisy TV commercials with one stroke •MOSFET Circuit Breaker •Noisy LEDs; Simple generation of complex sound effects •One-transistor Voltage Converter •OPA660: Diamonds are not forever; Component Tips series •Power LED Driver •Pt100 Simulator •Room for a Small One? •Same PCB Shoots Again! A thermometer with an unusual readout •Shoo Heron! Outsmart a clever bird •Smoke Alarm Power Supply; Simply but effective •Soft AC Line Start •TAPIR Sniffs it Out! Ultrasensitive wideband E-smog detector •The Maze of the Lost Electronics Technician •The Renesas RL78 Ecosystem; Design with the power of partnership •Tiny Compass •Two-Transistor Regenerative Receiver •Universal Measurement Amplifier / Attenuator; For laptop or PC •USB Control Board; USB-to-LPT bidirectional adapter •Voltage Inverter using a 555