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#3: What is microstepping?

Stepper motors move in discrete steps, or fractions of a revolution. For example, a stepper motor with a 1.8 degree step angle will make 200 steps for every full revolution of the motor (360 ÷ 1.8). This discrete motion means the motor’s rotation isn’t perfectly smooth, and the slower the rotation, the less smooth it is due to the relatively large step size. One way to alleviate this lack of smoothness at slow speeds is to reduce the size of the motor’s steps. This is where microstepping comes in.

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