| Quantity | Component name | |
| 1 | × | Attiny85 Microprocessors, Microcontrollers, DSPs / ARM, RISC-Based Microcontrollers |
| 5 | × | 3mm water clear white LED |
| 1 | × | PCB Electronic Components / Misc. Electronic Components |
| 1 | × | CR2032 Holder |
| 1 | × | CR2032 Battery |
| 3 | × | 3D printed parts |
Gary Peng