DrumKid is a handheld aleatoric drum machine | Arduino Blog
Amazon.co.jp: Music projects for Arduino : Learn by doing : Learn to make - and modify - a music box, a drum machine, a Theremin, a sequencer, a synth and more. (English
Arduino Uno and Mozzi Drum Machine (+dancing head) - Arduino Project Hub
Bleep Drum, $60 Hackable Drum Machine Based on ...