Doodle lines, play music!
Sketcha-mo-phone is an instrument which you draw. The further away your doodle is from your leads, the lower the values you will play.
It is a very low cost instrument to implement, you need only a few LEDs and resistors ( and a pricey arduino to run it all ).
VideoTry the following videos for audio/video demos of the instrument!
- MOV file links:      
- Youtube links           
Really Poor Schematic
- http://csounds.com/ -- What I use to play music
- http://softwareprocess.es/sketcha-mo-phone-media/sine2.orc Our orchestra (yes just simple sinewaves)
- http://softwareprocess.es/sketcha-mo-phone-media/sine.sco Our score (just so we can play)