Controlling a gameboy with a drum toy. The schematic is the Front PCB inside the gameboy and I drew it up to find the easiest points for the button connections.
Each drum pad will control a button on the gameboy which will in turn output an 8bit beat.
Once the GB is wired up proplery, I will construct a custom flash cartridge to run ElectricDrum.gb, a homebrew drum kit for gameboy.