Compatibility EA Serial MIDI Bridge is fully compatible and tested with the official Arduino MIDI Library. You can use any board that supports serial communication and the MIDI library to send and ...

In this case it's "MyHandleNoteOn". midi2.setHandleNoteOff (MyHandleNoteOff); // This command tells the Midi Library // to call "MyHandleNoteOff" when a NOTE OFF command is received. } void loop () { ...

The Arduino blog explains a little more about the construction of the MIDI controller : MIDI controllers can be great instruments to supplement your musical skills.

Arduino has been used to control a stepper motor driver a MIDI interface, scanner parts and basic keyboard to great effect, check out the video below to learn more. Watch this video on YouTube.