connecting a 4X4 keypad


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  1. #2
    Join Date
    Mar 2006
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    Best way to connect keyboard.

    http://www.picbasic.co.uk/forum/showthread.php?t=3250

    Hardware Connection
    ===================
    1. Column bits must have Pull-up resistor attach to VCC
    2. ROW bits must be connected in series with resistor.
    .
    Last edited by precision; - 25th April 2008 at 07:29.

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