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Thread: Hacking a Casio calculator?

  1. #1

    Default Hacking a Casio calculator?

    Anyone here hacked a Casio or used any parts from one? I have an XF 74000G. The keypad has about 50 keys but there are only about 20 wires leading out of the keypad.
    Last edited by ForumTools; 10-02-2010 at 09:52 PM. Reason: Forum Migration

  2. #2

    Default

    I think the Casio uses a keyboard matrix.
    Exactly how manybuttons do you have?

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    Sid Weaver
    Pluggable Serial Backpack

    http://hometown.aol.com/newzed/index.html
    Last edited by ForumTools; 10-02-2010 at 09:52 PM. Reason: Forum Migration

  3. #3

    Default

    54
    Last edited by ForumTools; 10-02-2010 at 09:52 PM. Reason: Forum Migration

  4. #4

    Default

    Then I would think there would be 15 wires coming from the keypad.

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    Sid Weaver
    TWS/RWS RF Modules

    http://hometown.aol.com/newzed/index.html
    Last edited by ForumTools; 10-02-2010 at 09:52 PM. Reason: Forum Migration

  5. #5

    Default

    Theres more than 15, I did manage to fry the calculator yesterday trying to read the signals from it, I got some readings on the first wire then I hit the second one and it died for good. I think it may be too much trouble I dont even know wich ones give power or anything.
    Last edited by ForumTools; 10-02-2010 at 09:52 PM. Reason: Forum Migration

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