Eyeing one of those fancy, but pricey, electronic accordions? Why not build your own? Lee O’Donnell did just that. He took a toy melodeon (diatonic accordion), replaced the keys and reeds with electronics, and wrote some software to generate sounds with every push and pull. The result is a very capable electronic accordion, capable of producing everything from the sound of a traditional accordion to a retro 8-bit video game.
(Found via Hack a Day)