Beginner: How many inputs?

Forum 2005-2010 (read only) General Frequently-Asked Questions
14

that sends HID/gamepad-signals to Mac

No HID uses USB and that is complex if at all possible.

You want to just use the serial output and then have software in the mac change it to MIDI.
http://www.spikenzielabs.com/SpikenzieLabs/Serial_MIDI.html