Technology
MAKE Presents: The LED

Take a tour through the world of the LED (light-emitting diode) and learn who invented it, how to use it, and how to make your own.

More MAKE Presents:

The Resistor

The Capacitor
hhttp://www.youtube.com/watch?v=ZYH9dGl4gUE

Audio & video by Collin Cunningham
Makezine.com

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