Quantity   Component name
1 × Adafruit RP2040 Prop-Maker Feather https://www.adafruit.com/product/5768
2 × Adafruit TCA8418 Keypad Matrix https://www.adafruit.com/product/4918
1 × Speaker, 4 ohm, 3 watt https://www.adafruit.com/product/3968
1 × Adafruit USB Type C Breakout Board https://www.adafruit.com/product/3968
1 × TLV62569 3.3V Buck Converter https://www.adafruit.com/product/4711
1 × Battery Holder AA 3 cell
1 × Light pipe https://www.digikey.com/en/products/detail/dialight/51513020700F/4965195
20 × Custom PCBs Snap-dome assembly
160 × Snap Dome buttons, 20 mm https://www.snaptron.com/products/standard-domes/f-series/