Quantity   Component name
18 × universal board (23.5mm x 18mm) https://akizukidenshi.com/catalog/g/g112731/
18 × register (180 ohm)
18 × register (100k ohm)
18 × photo interrupter CNZ1023 (ON1023) https://eleshop.jp/shop/g/gL7R415/
1 × raspberry pi pico H https://eleshop.jp/shop/g/gN26SHV/
1 × universal board (30mm x 70mm) https://eleshop.jp/shop/g/gGBS125/
2 × socket header (1 x 20)
9 × cylinder & key (16mm multiple open) https://www.aliexpress.com/item/3256802275656147.html
1 × micro USB connector panel mount (0.3m) https://www.aliexpress.com/item/3256805106007972.html
2 × MDF 5.5mm (300mm x 450mm)
40 × screw (2.5mm x 15mm)
80 × nut (2.5mm)