Quote:
Originally Posted by Jared341
He may just mean a light sensor (like a Banner sensor, or a 2011 KOP line sensor) being used as a digital tachometer with a piece of reflective tape or a photogate. Nothing to "encode" (in a quadrature sense), since your wheel generally isn't changing the direction that it rotates.
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Thanks Jared, that is what I was thinking as well... I'd love to see how well this compares against an encoder (either kind)... as of now, I am still frustrated with encoders with these high of speeds.