| Quantity | Component name | |
| 1 | × | 555 timer |
| 1 | × | Resistor |
| 1 | × | Capacitor |
| 1 | × | PCB |
| 1 | × | smd LED |
| 1 | × | coin cell battery |
| 1 | × | coin cell battery clip |
| Quantity | Component name | |
| 1 | × | 555 timer |
| 1 | × | Resistor |
| 1 | × | Capacitor |
| 1 | × | PCB |
| 1 | × | smd LED |
| 1 | × | coin cell battery |
| 1 | × | coin cell battery clip |