kariukibonface| Quantity | Component name | |
| 1 | × | pir motion sensor three pin |
| 1 | × | solenoid valve 12v |
| 1 | × | tip 122 transistor |
| 1 | × | voltage regulator 5v |
| 1 | × | resistor 4.7K ohm |
pir automatic tap
the aim of the project was to improve on handwashing skills through cheap technology