Quantity   Component name
1 × ATmega 328 Microprocessor
1 × 10 uf Capacitor
1 × 0.1 uF Capacitor
1 × 10 k Resistor
1 × Enamelled wire
1 × Barrel connector (male & female)
1 × LED Fiber Optics / Emitters
1 × 220 Ohm Resistor
1 × NPN transistor small signal / switching