how to read ky40 mechanical encoder ?

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  1. - 11th October 2015, 21:16 #2
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    Default Re: how to read ky40 mechanical encoder ?

    Is your encoder like this ?
    http://www.ebay.com/itm/400964660325...%3AMEBIDX%3AIT

    These encoders are (supposedly) destroyed by pullup resistors.

    Or is your encoder just a noisey old mechanical switch type?
    Comparators are supposed to be good buffers for mech switches.

    OK I found my answer, Mech. as stated in your post
    You are needing to "debounce" these.
    Last edited by Archangel; - 11th October 2015 at 21:21.
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