Hard drives

Does anyone know how you make a hard drive motor run after you have taken it out of a hard drive? I have a project I want to do with one. Mike

CameronSS10 years ago
Hard drive motors are stepper motors, unless they're REALLY old. A stepper motor isn't just a put-power-to-it-and-it-spins. On the upside, stepper motors can turn to very precise positions at very precise speeds. Unfortunately, it requires a precise stepper motor driver to do this. You could search around for circuits, or try one of these:
https://www.instructables.com/id/EP6P83PSX1EV0FB8EX/?ALLSTEPS
https://www.instructables.com/id/EE5Y48NK5FES9J43C2/?ALLSTEPS
https://www.instructables.com/id/EJ0T8OGF3KRXIPG/?ALLSTEPS