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Topic: A question about continuous rotation servos. (Read 661 times) previous topic - next topic


I was thinking about making a drawbot, and i thought using continuous servos would be best, my question is that are they like normal servos? Do they give position feedback, can the arduino tell them to e.g move 2 rotation, half, a certain angle etc, or are they just normal gear motors uncontrollable?


A 'continuous rotation" servo is a hobby servo with the feedback pot disabled and the mechanical stop removed.  It is basically a small DC gearmotor with a built-in H-bridge controlled by pulse stream.  There is no position feedback.

You can add some feedback with optical encoders. The Arduino would read the feedback and adjust the output pulse width to get the desired effect.
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