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Easy, Cheap Locator Beacon <$5
Audio Amplifier Using TDA2050 32 Watt
The Most Amazingly Versatile, Space Saving Hobby-Project Happy Place!!!
Radio Telemetry for a Model Rocket
Tinyduino LEGO GPS battery powered Logger DIY
DIY carbon tape heated trousers
Charcoal Powered Generator - Gasifier
ARDUINO SOLAR CHARGE CONTROLLER ( Version 2.0)
Arduino defuseable bomb, perfect for airsoft games! (with timer, LCD, keypad, sound and more!)