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    Re: 8x8 Scrolling LED display (Simple example)

    Hi Ioannis,

    I try to do that but, I failed. Can you show my how? On the other hand the question it is still: do I need that inverters in a real circuit?

    Thank you for your time
    Gabi
  2. Replies
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    138,363

    Re: 8x8 Scrolling LED display (Simple example)

    Hi,

    After 1 month I finally make that running - simulating properly in Proteus. My problem was that ULN2803. I didn't know that chip invert signal's. After I put some hex inverters 7404 everything...
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    138,363

    Re: 8x8 Scrolling LED display (Simple example)

    Hi Ioannis,

    No, I do not have all the parts to try it. That was the reason for using Proteus. I saw a post from you regarding ULN 2083. If I decided to use that instead ULN 2004 what else should I...
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    138,363

    Re: 8x8 Scrolling LED display (Simple example)

    Still, Ioannis can you have a look on that code and give me your expert opinion

    Rgds
    Gabi
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    138,363

    Re: 8x8 Scrolling LED display (Simple example)

    Hi Ioannis,

    Yes, sorry I forgot to tell that. Yessss it is working, meaning compile without errors. Now my problem it is in Proteus - Simulation it is not running on real time due the excessive...
  6. Replies
    68
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    138,363

    Re: 8x8 Scrolling LED display (Simple example)

    Hi to all,

    A newbie here. I try to compile the file from first post but I receive a constant error
    ERROR Line 51: LOOP without a matching DO.
    How can I avoid that?

    Many thanks in advance...
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