version: v1 rev13022023 Model: ULN2003
This is a PCB for the Arduino ASCOM Focuser Pro2 project, this project supports different stepper motors, this PCB works with the UNL2003 firmware. It is a simplified version of the original.
| Arduino pin | UNL2003 pin |
|---|---|
| D4 | 1 |
| D5 | 2 |
| D6 | 3 |
| D7 | 4 |