Arduino June 4, 2008, 11:51 a.m.

Arduino is a USB i/o board compatible with OSX, Windows and Linux.

electronics hardware arduino diy programming tutorial toys usb led

ThinkGeek :: Inova X5 LED Flashlights Feb. 2, 2007, 4:20 p.m.

Waterproof, shockproof, extra bright LED torch

wishlist gadgets led shopping