Quantity   Component name
1 × Arduino Nano
10 × Led 5mm
2 × Potentiometer 1M ohm
1 × Buzzer
1 × resistor 4.4M ohm
1 × resistor 10M ohm
1 × resistor 220R
1 × switch Development Kits, Boards and Systems / Development Kits and Boards
1 × 9V Battery