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Re: What is P.I.D.?
An encoder is not really the best solution if you're trying to attain a specific, precise, position. Encoders tell you how fast you're moving, and if they're quadrature or gray code, in which direction. However, they don't provide any useful feedback as you approach speed zero, which is where you need them to work if you're shooting for a position. A potentiometer is probably a better solution for this.
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