| Quantity | Component name | |
| 1 | × | STM32l031G6 Low power arm MCU |
| 2 | × | Green 1206 SMT LED |
| 2 | × | Amber 1206 SMT LED |
| 2 | × | Red 1206 SMT LED |
| 1 | × | Side actuated push button |
| 1 | × | CR2032 coin cell holder Electronic Components / Misc. Electronic Components |
| 1 | × | Festive PCB! |
David