Quantity   Component name
1 × Arduino Pro Mini ATmega 328 5V/16MHz, version with breakouts for A6 and A7
1 × MPX5010GP Pressure sensor, 5V
1 × Adafruit MPR121 Capacitive touch tensor board
2 × PS2 style Arduino joysticks for octave, pitch bend and modulation
1 × Conductive metal tape I used copper for the solderability and matching color with the oak wood
1 × DIN-5 180deg female connector panel mount
2 × 220 ohm resistor for MIDI connection
2 × Vertical mount 10Kohm thumb adjust potentiometer for base octave and portamento rate settings
1 × 5V boost converter
1 × Li-Ion charge board with micro USB
1 × Li-Ion battery, 3.7V, TR 16340 I'm using a battery labeled as 2500mAh, and I get more than 6 hrs of operation per charge
1 × Battery holder for 16340/CR123A with screw holes in the bottom for easy mounting
1 × Slide switch on-on, 2 pole (6 pin) for switching between power on and power off/charge
1 × Perf board 5x7 cm
30 × Pin headers estimated number, just get a bunch
20 × F-F Dupont Arduino cables 20 cm estimated number, just get a bunch
1 × DIP 24-PIN IC socket for Arduino Pro Mini, optional
1 × 4 – 5 mm inner diam food grade silicone tubing ...or similar. For mouthpiece. I also used some heat shrink tubing for extra good fit and stability.