There’s a million and one ways to play around with MIDI and an Arduino. It’s trivial to have a ‘duino spit out a scale to a MIDI keyboard, or even respond to SysEx messages to change a lighting or ...
What do you do if you’re in a band and have an old, dead organ lying around? Build a MIDI foot controller, of course. After dispensing of the old organ guts, [Mark] mounted the pedals in a handsome ...