Raw control of a stepper board on Arduino.
| Arduino | Board |
|---|---|
| PIN | PIN |
| 9 | IN1 |
| 8 | IN2 |
| 10 | IN3 |
| 11 | IN4 |
| +5 | + |
| GND | GND |
28mm motor body diameter 35 mm between the screw holes 4 mm screw hole 20 mm motor body height 5 mm diameter shaft 3 mm across the dual flats 6 mm flat length on shaft
