With a bit of hacking at the Arduino MIDI library, [Kevin] was able to get the microcontroller outputting MIDI data over the I2C interface, and developed a useful generic I2C MIDI transport for ...

It's native USB-MIDI on the PC side, so, no drivers or custom software needed. As a plus, it's hugely powerful, can do 3x IN and 3x OUT, and all sorts of customizable routing.

MIDI: The Musical Instrument Digital Interface is a specification for a communication protocol between digital synthesizers and other digital music devices. In principle it’s a communication and ...