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Hard drives Answered

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

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CameronSS (author)2007-07-20

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:

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