| Quantity | Component name | |
| 1 | × | ATtiny85 Microprocessors, Microcontrollers, DSPs / ARM, RISC-Based Microcontrollers |
| 1 | × | 8 pin DIP socket (recommended) |
| 1 | × | 220Ω resistor |
| 2 | × | 10kΩ resistors |
| 1 | × | 10 mF capacitor |
| 4 | × | Red LEDs |
| 1 | × | Rotary encoder |
| 1 | × | Battery holder for 2 AA batteries |
| 1 | × | Body/housing (lasercut design included in repository) |
Jeremy Wilson