| Quantity | Component name | |
| 1 | × | Adafruit METRO Mini |
| 1 | × | 3W, 4 Ohm speaker |
| 1 | × | Mini Breadboard |
| 1 | × | NPN Transistor, 220 Ohm resistors, potentiometers, buttons |
| Quantity | Component name | |
| 1 | × | Adafruit METRO Mini |
| 1 | × | 3W, 4 Ohm speaker |
| 1 | × | Mini Breadboard |
| 1 | × | NPN Transistor, 220 Ohm resistors, potentiometers, buttons |