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[–] stationJO ago 

Aren't like encoders for servo motors like 1000-5000 bucks? Or is that more of an industrial thing?

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[–] DeliciousOnions 0 points 1 point (+1|-0) ago 

There are cheaper versions - the industrial ones are usually designed to be more accurate and durable, especially under harsh conditions.

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[–] stationJO 0 points 1 point (+1|-0) ago 

I just remember pathology lost some fancy servo controller and it was over $3000.