recently i opened up a hard drive,and recovered a motor from it.the motor has 4 terminals.i am planning to use the motor for a project.how should i do it?do i need some additional circuitry,or just the arduino will be fine enough?i guess i might at least need motor drivers.

using a hard drive motor with arduino?

Grumpy_Mike April 2, 2012, 4:13am 2

do i need some additional circuitry

Yes.
Lots of examples on the web, this is one of them.