Going backwards, can't even get a basic blinky working now


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  1. #10
    Join Date
    Jan 2005
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    Montreal, Quebec, Canada
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    Default Re: Going backwards, can't even get a basic blinky working now

    Eeeep, 20V That's a tad beyond max rating for a 16F877.

    Name:  16F877 max elect char.png
Views: 3038
Size:  98.4 KB


    Reading up on Zener Transient Suppression:

    https://www.electronics-tutorials.ws...ppression.html


    And then off to Digikey for a supply of Zs.

    Robert


    EDIT: These look nice:

    https://www.digikey.ca/en/products/detail/onsemi/1N5243BTR/977601
    Last edited by Demon; - 2nd May 2023 at 18:57.

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