MULTIPLEXING 1 7-segment display w/ 2 switches using PIC16F84A help?

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  1. - 2nd August 2012, 16:52 #1
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    Smile MULTIPLEXING 1 7-segment display w/ 2 switches using PIC16F84A help?

    the condition is

    Switch 1 = on
    Switch 2 = off
    the display counts down from 0-7

    however when
    Switch 1 = off
    Switch 2 = on
    the display counts down from 7-0

    and when both switches are on or off
    there is no display

    any delay for each digit will do as long as it can be seen...

    any help with the program and the circuit? i would forever be grateful, tnx!
    Last edited by motionblur24; - 2nd August 2012 at 16:58.
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