Multi-Button CSM with Pic16LF722A


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  1. #1
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    Default Re: Multi-Button CSM with Pic16LF722A

    Is it necessary to have the ground line in the middle of the two channels? Won't this affect the operation.
    according to this app note it is

    http://ww1.microchip.com/downloads/e...tes/01250a.pdf

    I have not tried without it , the other way is to use a chevron pattern which has no earth requirement
    but uses more pins [several]
    Warning I'm not a teacher

  2. #2
    Join Date
    Nov 2003
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    Default Re: Multi-Button CSM with Pic16LF722A

    OK, yes. It is used toi isolate the two sensors between them.

    Thanks,
    Ioannis

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