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A comment on Ask HN: I need powerful and very fast, but silent servos. Where?. Parent comment

Re:Ask HN: I need powerful and very fast, but silent servos.... by pingswept on Saturday July 10, 2010 @10:07PM (#1504758)
You can get motors with encoders built into them that are very, very accurate. You can decode their pulses into position with a quadrature decoder like the HCTL-2020.
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