Matrix Keypad routine

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  1. - 3rd July 2007, 13:06 #11
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    Post Scanning Many Keys With One Input

    Hi charudatt,
    Quote Originally Posted by charudatt View Post
    Hello,

    I remember seeing an idea of connecting multiple (more than 1) switches on a single Port(analog) pin and working with the adc val.

    Cannot find this anymore on the forum.

    Any help on this topic/idea.

    regards
    TIP #5 Scanning Many Keys With One Input
    EDIT: TIP #7 4x4 Keyboard with 1 Input

    Microchip’s Tips ‘n Tricks (DS40040C)
    http://ww1.microchip.com/downloads/e...Doc/40040C.pdf

    Hope this helps,
    -Adam-
    Last edited by Pic_User; - 3rd July 2007 at 14:25. Reason: Added TIP #7
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