Benchoff| Quantity | Component name | |
| 4 | × | A4988 Stepper motor driver |
| 4 | × | SMD 100uF Electrolitic EEE-1HA101UP / Digikey pn: PCE3917CT-ND |
| 1 | × | Headers, pins, and connectors A bunch |
A4988 Stepper Driver Duplicator
Putting two steppers on a single driver is dumb. Four doubly so. Here's a stepper driver breakout.