Gameboy theremin will space out your Donkey Kong tracks
This 4 Oscillator Opto-Theremin is built into a standard Nintendo Gameboy using a Quad 4093 Schmitt Trigger IC, 4 1uf electrolytic caps, 4 Photo-Resistors in the 140k Ohm Range, and 4 Diodes. Check out the rather small video on the link below to see it in action and listen to the effect it produces. Pretty […]