Tell us about yourself!
3D painting: Layered Resin and Acrylic Paint
Hacking Automotive Ultrasonic Sensors
How I built an electricity producing wind turbine
How to build this amazing Spinning Rainbow Light Wheel!!!
Daylight Visible Bike Light - Front/Rear Combo - 100 Lumens on 2 AA's
FLUORESCENT FLOOR LAMP
High Power LED Driver Circuits
Power LED's - simplest light with constant-current circuit
Ultimate Night Vision Headlamp - 500+ lumens with only 8 watts
41 LED Flasher Circuit using 555 IC