Quantity   Component name
1 × Arduino Nano
1 × PNP Transistor
2 × coil 200 windings Cui 0.2mm^2
1 × Buzzer
2 × Led Fiber Optics / Emitters
2 × Switch Development Kits, Boards and Systems / Development Kits and Boards
2 × Li-Ion Battery
1 × Resistors and capacitors