Quantity   Component name
1 × Raspberry Pi Pico H https://eleshop.jp/shop/g/gN26SHV/
2 × RK09K1130AAU 10K B (potentiometer) https://eleshop.jp/shop/g/gE52362/
2 × PCB for potentiometer https://akizukidenshi.com/catalog/g/g107241/
1 × universal board (47mm x 72mm) https://eleshop.jp/shop/g/gMA7124/
2 × register (5k ohm)
1 × door handle https://www.amazon.co.jp/%E5%B7%9D%E5%8F%A3%E6%8A%80%E7%A0%94-J%E3%83%AC%E3%83%90%E3%83%BC-%E4%BD%8F%E5%AE%85%E5%AE%A4%E5%86%85%E7%94%A8%E3%83%AC%E3%83%90%E3%83%BC%E3%83%8F%E3%83%B3%E3%83%89%E3%83%AB-%E3%83%90%E3%83%83%E3%82%AF%E3%82%BB%E3%83%83%E3%83%8850mm-JL-24-1M-N/dp/B00E41O1PQ/
4 × screw (M2.6 x 40mm)
4 × screw (M2.6 x 20mm)
12 × nut (M2.6)
1 × micro USB connector panel mount (0.3m) https://www.aliexpress.com/item/3256805106007972.html
2 × socket header (1 x 20) https://eleshop.jp/shop/g/gBBT417/
3 × MDF 5.5mm (300mm x 450mm)