To send MIDI to the drummer from your computer's USB port, you'll need a MIDI-capable music application such as Garageband, Reaper, or Ableton Live. You can use a MIDI keyboard with your music app to control the the drums, but it's more fun to compose sequences and play them back over MIDI. Fast, complex sequences actually sound pretty impressive on this little kit.
Here's my kit playing a sequence from Ableton Live …
The code responds to MIDI note on messages for the following note/pitch numbers:
- 24 (C1) = port 2
- 25 (C♯1) = port 3
- 26 (D1) = port 4
- 27 (D♯1) = port 1
Solenoids will be triggered by these notes on any MIDI channel.