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Building IllyClock - Arduino-based alarm clock in a coffee can
3P4W LED Clock with Temperature Display
Flashlight with no batteries
LED Cube 8x8x8
The Forever Rechargeable VARIABLE Super Capacitor Battery !!!
DIY-Make A Secret Hidden RC Hard-Drive
how to make a very simple NPN transistor tester
Advanced Soldering: Fast and Easy Soldering of Surface Mount Components
Salvage surface mount components
Disposable camera coilgun
S.P.R.E.E. (Solar Photovoltaic Renewable Electron Encapsulator), a Compact, Durable, and Portable Solar Energy Generator
How to Properly Care for a Betta
How to properly house betta fish @ home
How to make a COILGUN!
USB Li-ion battery charger
Improved Simple Adjustable DC Power Supply
Auto Spy Remote
Pocket Protest (a LM386 amp in a 9v battery casing)
High Voltage Power Supply For Marx Generator
How to Build a Robot - The BeetleBot v2 ( Revisited )
Third Hand++: A multi-use helping hand for electronics and other delicate work.
Portable USB Charger (Version 2.0)
Solar rc conversion
Make a wall avoiding Robot!
Mini free standing LED lamp
5V breadboard mini PSU
Blowing up stuff with capacitor bank!