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  1. 04-25-2014, 07:27 AM #11
    Drunkenclam
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    Default Re: CR Units

    Did some probing of the ribbon cable to the buttons. Ics and leds. Took the ic pin location/label from the TI website as they are TI chips, the labels are slightly different from the link above. The D pins are connected to both chips. There is also a lot of shared grounds.

    ribbon cable


    1
    Vcc


    2
    Ground


    3,4
    Spare


    5
    D1


    6
    D2


    7
    D3


    8
    D4


    9
    D5


    10
    D6


    11
    D7


    12
    IC1 clk


    13
    IC2 clk


    14
    D8


    15
    Unknown


    16
    Button top


    17
    Button Bottom


    18
    Clr


    19
    Button ground


    20
    Unknown
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