Hi - beginner here. I'd like to get this 4x2 button pad connected to an Arduino but I don't understand the wiring...it doesn't seem to resemble standard button matrix systems I've looked at but I'm not good at reading circuitboards. Any thoughts...? (Looks like it's using 6 wires of this ribbon cable.)
(It's part of an old MIDI instrument I'd like to convert to Arduino; background here).
Actually, forget this, I think I might see it now...two columns and four rows I think...