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You are here: Home / Topics / problem in lcd interfacing

problem in lcd interfacing

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Microcontroller › 8051 › problem in lcd interfacing

  • This topic has 1 reply, 2 voices, and was last updated 13 years, 7 months ago by Dexter.
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  • Author
    Posts
  • November 8, 2011 at 6:25 pm #1387
    rahul bhatia
    Participant

    i am making a tachometer..

    there are two problems

     

    1) my lcd is not showing any data… it only shows black boxes…

    2) my counter start counting as soon as i touch the output wire of my sensor.. even if there is no voltage at that point..

     

    even the code given on this website of lcd interfacing is not showing any data???

     

    guyz pls help me… i have to submit my project and it si not working…

    November 25, 2011 at 12:56 am #6878
    Dexter
    Participant

    POST THE CIRCUIT DIAGRAM THAT YOU HAVE MADE

     

    OR ADJEST THE PRESET CONNECTER WITH THE PINS OF LCD 1,2,3 (mostly 10k)

     

    OR CHECK THE DIAGRAM BELOW

    wysiwyg_imageupload:3242:

     

     

     

     

     

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