Quantity   Component name
1 × JLCPCB Custom PCB
1 × Arduino Nano R3
1 × Power Jack
4 × 10mm Photoresistor
1 × Tilt Sensor (Mercury Sensor)
1 × Buzzer
4 × 5 mm LED: Red
4 × 5 mm LED: Yellow
4 × 5 mm LED: Green
13 × Resistor 220 ohm
5 × Resistor 1K ohm