next to a standard MIDI cable plug. The whole thing is so small it fits inside a MIDI plug and can run off the power supplied by the MIDI output, driving a small pizeo buzzer. Considering that the ...

and also added MIDI CC values for the touch pressure and the x and y-axis position. The trackpads were identical models, each having their own PS/2 output. A few ribbon cable to 8-pin header ...