[Peter Brinkman] is working on a circuit that makes it easy to interface MIDI and Bluetooth devices. His target hardware has been a MIDI compatible keyboard and an Android phone. He was inspired ...
He solved the problem by building the Tannin DIY MIDI controller. Tannin features 19 buttons, 16 potentiometers, and 4 LEDs. Buttons can send different MIDI messages for short presses and long ...