| Quantity | Component name | |
| 1 | × | Arduino nano |
| 1 | × | 16x2 LCD display |
| 1 | × | Buzzer |
| 5 | × | Led Fiber Optics / Emitters |
| 5 | × | LDR resistor |
| 5 | × | 820R resistor |
| 5 | × | 1K resistor |
| 1 | × | Momentary switch |
| Quantity | Component name | |
| 1 | × | Arduino nano |
| 1 | × | 16x2 LCD display |
| 1 | × | Buzzer |
| 5 | × | Led Fiber Optics / Emitters |
| 5 | × | LDR resistor |
| 5 | × | 820R resistor |
| 5 | × | 1K resistor |
| 1 | × | Momentary switch |