Quantity   Component name
1 × Arduino nano
1 × 5V/1A charger
1 × 3.7V / 500mah LiPo
1 × Micro switch
1 × 0.9-5V to 5V DC-DC Step-Up converter
4 × 300E 0603 resistors
8 × 10K 0603 resistors
2 × LDR pin through
4 × LED 0603
6 × 10M resistor