Build Your Own 16-Button MIDI Controller with an Arduino - Lifehacker

Build Your Own 16-Button MIDI Controller with an Arduino Lifehacker The OONTZ uses a 3D printed case, a 16 button keypad, an Arduino Leonardo, a monochrome driver, and a few potentiometers. It's actually a pretty simple thing to build yourself provided you can the case printed somewhere. Otherwise, it's just hooking up ...