arduino-examples Some of my Arduino code MIDI_ARD_1 First 6 notes of MIDI keyboard using Capacitive Sensor MIDI_ARD_2 Second 6 notes of MIDI keyboard using Capacitive Sensor MARIO_KEBOARD Mapped standard keyboard keys to play Mari0: http://stabyourself.net/mari0/ Useful links http://playground.arduino.cc/Main/CapacitiveSensor https://www.arduino.cc/en/Reference/MIDIUSB