Hi, As I said in the other topic, I'm building something... it doesn't matter what :grin: :grin: So, I need to put a sensor in a roll that can say to me how many "turns" make the roll. I thought of a magnetic sensor or an infrared sensor, which you advise me and why? Thanks

What kind of sensor I have to huse?

johnwasser March 12, 2012, 8:51pm 2

Yes, either of those will work to measure the number of revolutions.

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