Quantity   Component name
1 × Wooden Vintage Toy Piano
1 × BeagleBone Black
5 × DIP24 0.6" IC socket
1 × 1N4148 Diode
1 × BeagleBone Proto Cape
1 × 6N138 optocoupler
7 × Ceramic capacitor, 0.1uf
20 × Resistor - 10k ohm
5 × Resistor - 220 ohm
10 × Screw Terminal Connectors
2 × Arduino Pro Mini 3.3V
1 × EC Technology USB Audio Adapter
35 × Rotary Potentiometer 10k ohm
1 × 5V 2A power supply
1 × Velostat
2 × CD4051BE multiplexer
3 × MC14067 multiplexer
2 × Mini SPST Toggle Switch
7 × Rotary Potentiometer 10k ohm, centre detent
42 × Knob Cap, 17mm x 13mm, 6mm shaft
2 × 5-pin DIN MIDI socket
1 × Stereo jack audio socket, 6.3mm
1 × Mini jack audio plug, 3.5mm
1 × DC power socket, 5.5/2.1mm
1 × DC power plug, 5.5/2.1mm