Quantity   Component name
1 × ATmega 644p
1 × Crystal 16 MHz
2 × Potentiometer 10 kOhm
2 × Capacitors 22 pF
2 × Capacitors 330 uF
2 × Capacitors 22 uF
1 × Capacitors 5 nF
4 × Capacitors 10 nF
8 × Capacitors 100 nF
1 × TLP627-2 Opto and Fiber Optic Semiconductors and ICs / Optocouplers and Optoisolators
1 × Buzzer 5V
1 × mini din 6 pins ps2
4 × LED Fiber Optics / Emitters
1 × LM7805 Power Management ICs / Linear Voltage Regulators and LDOs
1 × LM3940 Power Management ICs / Linear Voltage Regulators and LDOs
8 × B3F-1052 Switches and Relays / Switches
1 × pj-320a Jack - 3.5mm - 4 pin
2 × Inductor 5 uH
3 × Resistor 10 kOhm
9 × Resistor 1 kOhm
3 × Resistor 470 Ohm
1 × Resistor 220 Ohm