I just got MIDI-IN working with the CNY17-2 optocoupler. I used the MIDI library from the arduino playground to make the led on pin 13 flash on receiving a MIDI message. You can find the modified scheme below.
I just got MIDI-IN working with the CNY17-2 optocoupler. I used the MIDI library from the arduino playground to make the led on pin 13 flash on receiving a MIDI message. You can find the modified scheme below.