====== Pinbelegung des Parallelport-Interfaces ======

Der Schaltplan des Arduino-Shields ist auf [[https://github.com/comsound/steppershield/blob/master/schematic.pdf|Github]] hinterlegt.

^ Pin des Arduino-Shields      ^ Pinnummer DB25-Stecker      ^ Funktion          ^
|GND1 |  | GND |
|GND2 |  | GND |
|GND3 |  | GND |
| 5V  |  | 5V supply |
| 11  |  | A_DIR |
| 10  |  | A_STEP |
| 7   |  | Z_DIR |
| 6   |  | Z_STEP |
| 5   |  | Y_DIR |
| 4   |  | Y_STEP |
| 3   |  | X_DIR |
| 2   |  | X_STEP |
| 8   |  | MOTOR_DISABLE |