The Code Kit is an Arduino system in a box. It comes with a small rechargeable battery that can power an Arduino-based CodeBit with three inputs and three outputs.

Each Arduino mimics a different instrument: one plays the bongos, another plays the bass, and the third plays the snare drum. It’s like training wheels, for beat-boxers.

Arduino board programmed with an audio file Programmer Mike Tsao has devised a clever method to program an Arduino board using sound.