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  • in reply to: Switches with pull-up resistors to PCF8575 Inputs #29869
    Istvan
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      Dear Hank,

      I just want to say a HUGE thank you for sharing your problem. I was stuck with not being able to read input as input_pullup, but after using your code, and setting the p1 to high initially it worked like a charm! Thank you a lot!

      Istvan

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