How to Make an optical theremin to play music
Watch as Kipkay from MAKE Magazine shows you how to make something really cool for your music skills, with parts from RadioShack. Everybody's heard of them, but nobody has one or knows how to play one... a theremin. You could be the exception as you see how to build your very own optical theremin to play the air around you. Wait, this is optical which means you'll be making that beautiful music with light, like a flashlight.
Materials from RadioShack:
1M & 10K Resistors
4AA Battery Holder
Line Out Connector