Free Project - 245 LED Display

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  1. - 19th April 2007, 04:20 #10
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    Quote Originally Posted by precision View Post
    My controller circuit is same, But i connect only one 5x7 dot matrix display to IC3 ( cd4017)
    I see. Are you able to successfully upload a message from the Windows software to the EEPROM? If so, do any of the LEDs come on?

    (You need to describe exact symptoms - theoretically, because each character is actually 5x7, I guess the circuit should show a quick flicker of single characters on 35 LEDs. There would be noticeable pauses in between. In other words, yes I believe it should do something with just 35 LEDs.
    Last edited by T.Jackson; - 19th April 2007 at 04:28.
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