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AY Keyboard interfacing

Discussion in 'Project Doubts' started by shahsulax, Oct 12, 2014.

  1. shahsulax

    shahsulax New Member

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    Dear Binu

    I tried your Example "Keyboard to 89C52 Microcontroller " and works fine except one problem.

    While starting the program a few times, sometime it reports Keyboard Error and sometimes it runs fine.

    Can u help me as to why this phenomenon is occuring and how to resolve the same so that the program runs well all the time

    Will be obliged if u can guide me.


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