Matthew Edmond| Quantity | Component name | |
| 1 | × | Rasberry Pi |
| 1 | × | Photodiode |
| 1 | × | USB Power supply |
| 1 | × | RGB Led. |
OSPb - An Open Source Lead Tester
An open source design for an inexpensive colormetric test.
An open source design for an inexpensive colormetric test.
| Quantity | Component name | |
| 1 | × | Rasberry Pi |
| 1 | × | Photodiode |
| 1 | × | USB Power supply |
| 1 | × | RGB Led. |