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uLCD-24PTU Static Text Showing as Black Rectangle

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  • uLCD-24PTU Static Text Showing as Black Rectangle

    Hey Everybody,

    I am working with a uLCD-24PTU. I have some static text displayed on the screen. When I power up the device, the text displays as expected. But when I change from Form0 to Form1 and then back to Form0, the text shows as a black rectangle. I have played around with font, font size, baud rate, etc...but cannot figure out why this is happening. Any suggestions?

    See my Youtube video here: https://youtu.be/PtQZsL8s4_k

    TIA,
    --Neal
    TIA,

    Neal

  • #2

    Hello Neal,


    It will be best if you can zip your project and post it here, so we can further access what is causing the issue.

    However, If you want you can also email your project to me at john dot asuncion at 4dsystems dot com dot au


    Best Regards,
    Kevin

    Comment


    • #3
      Dear John,

      In my Arduino code, I had a function call to update a gauge object that no longer existed in my Visi-Genie project. Once I realized this and removed it, the problem disappeared. So making function calls in the Arduino code to objects that don't exist in the VG project is probably no a good thing. :-)

      Thank you.
      TIA,

      Neal

      Comment


      • #4
        Hi Neal,

        I am glad that you have solved your issues. Thank you for letting us know!

        Best Regards,
        Kevin

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