Wiring Doc
| Motor | Connection |
|---|---|
| Top motor | M1,M2-bottom shield |
| Bottom motor | M3,M4_bottom shield |
| Tray motor | M3,M4-top shield |
| Signal pin of device | Pin # on the top shield |
|---|---|
| Top LEDs | 8 |
| Bottom LEDs | 9 |
| Top limit switch | 2 |
| Bottom limit switch | 3 |
| Tray limit switch | 4 |
Note: All devices are powered with 5V
