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DIY Muscle Sensor / EMG Circuit for a Microcontroller
Stupid Simple Arduino LF RFID Tag Spoofer
Arduino Watch Build Instructions
A Universal RFID Key
Run AppleScripts with the wave of a hand
Brain-Controlled RC Helicopter
Arduino + Laptop Touchpad
Radio Telemetry for a Model Rocket
Cheap & easy opto-isolated TTL-to-110V light control module
Building Small Robots: Making One Cubic Inch Micro-Sumo Robots and Smaller
Beginning LCDs
Gunpowder
Start a fire with air
Professional Looking Gadgets
Make Music Controlled Christmas Lights
Forget lock picking, clone/copy the key and be a spy