Quantity   Component name
1 × Yamaha Pedal Unit (salvage)
1 × JST Connector (6-pin, 2mm) https://www.digikey.com/en/products/detail/analog-devices-inc-maxim-integrated/CABLE-PH06/9381902
1 × Seeed Studio XIAO ESP32 https://www.seeedstudio.com/test-for-xiao.html