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Motor Magnets

Bipolar Stepper Motor Drivers

Stepper motor drivers are brushless DC motor drivers that can be used for both positioning and velocity control applications without the need for external position feedback. Typical stepper motors consist of a rotating permanent magnet (rotor) surrounded by electromagnets (stator). When the electromagnets are supplied current in the correct polarity and sequence a torque is [...]

How to get the neodymium magnets out of the hard drive

Hard Drive Magnets - Strong and Fun Hard drive magnets can be heaps of fun. I take them out of my old hard drives and distribute them to my brothers. They can be useful for holding things together and are fun to fiddle with. They can be used to fix the book that was open [...]

Drive Magnets

Want free rare earth magnets? Got a dead hard drive? You're in business. What, you might be wondering, are super-strong magnets doing inside a magnetic storage device? You're meant to keep magnets away from your drives, aren't you? Well, yes, you are. A sufficiently strong magnetic field across the storage surfaces can destroy data in [...]

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