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BLDC vs. Stepper motor

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banh

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bldc vs stepper

let's take 2 examples here:

2-phase BLDC from this page:
**broken link removed**

and 2-phase PM Stepper from the same site:
**broken link removed**

WHat are the basic differences between a BLDC and a PM stepper in this case?

to me, it seems stepper has more rotor poles, and the stepper has teeth structure.

other than that, the structure & positioning of the stator coils and the rotor magnet are almost similar..
 

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