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how to interface keypad in arm7

santhosha udari

how to interface a keypad in arm7. what is the programing code for it. my keypad using for notice led display

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    You have zero ideas how to interface that keypad?

    And you have seen zero other projects on the net that interfaces a microcontroller with a keypad?

    Next thing - "what is the programming code for it" is a quite interesting question, since "the programming code" would depend on what processor you use, and what interface that keyboard has, what processor pins that are used, if you use pull-up or pull-down, ...

    I think you should return to the drawing board and spend a bit more time thinking about this problem yourself.

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  • 0

    You have zero ideas how to interface that keypad?

    And you have seen zero other projects on the net that interfaces a microcontroller with a keypad?

    Next thing - "what is the programming code for it" is a quite interesting question, since "the programming code" would depend on what processor you use, and what interface that keyboard has, what processor pins that are used, if you use pull-up or pull-down, ...

    I think you should return to the drawing board and spend a bit more time thinking about this problem yourself.

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