USB Add-On Card for D6 CPU Card

This is a Starr Labs USB add-on card for the D6 CPU Card. It plugs directly on to the D6 CPU card (see second photo) and adds USB functionality to your instrument. It is a class-compliant MIDI device, and works both for incoming and outgoing MIDI messages, as well as providing power to your instrument (robust power-spec USB port recommended, most modern computers work well)