Arduino Due, Arduino Zero, Arduino Leonardo, Arduino Micro, Arduino LilyPad USB ... and finally flash the MIDI firmware. That's quite a cumbersome process, especially if you're just trying different ...

On the MIDI controller, moving fader 1 varies the red brightness, fader 2 varies the green brightness, and fader 3 varies the blue brightness. The M4 must receive 5V power because it powers the ...

Using a Korg nanoKEY2 USB MIDI controller as base for the device, [Geordie] took it apart and added a Raspberry Pi Zero W, a power bank to, well, power it, and a USB hub to connect a likewise ...