IR sensor

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hey guys,
i'm planning built own small cnc using steppers control linear movement. avoid inaccuracy after few rounds i'd install ir sensors double check movement , if necessary recalibrate stepper ensure max precision.

does of have experiences how accurate ir sensor can measure?

or necessary use them? (i'm using nema 17 stepper)

thanks in advance!

physical limit switches simpler, more reliable, , more precise ir sensor.


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