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  1. #1
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    LED MATRIX 16x40

    i need help to have tis project working. first of all i would like to say i am very new in this project.

    i am using PIC 16f877a with 20Mhz crystal osc. and Hi-Tech C

    i need to have display a scrolling message.

    can anyone help me . i know how to display only single character from A to Z

    but i am not able to have a scrolling sentence

    •   Alt30th August 2009, 05:18

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  2. #2
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    LED MATRIX 16x40

    Post your schematic.



    •   Alt30th August 2009, 06:29

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  3. #3
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    LED MATRIX 16x40

    sorry sir..actually i did not even draw my schematic out using any software.

    i'll base on the source code to connect my leds

    in my source code as i attach.. PORTB is GND

    and PORTD is the output/vcc .



    •   Alt30th August 2009, 14:47

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  4. #4
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    Re: LED MATRIX 16x40

    this is my schematic diagram



  5. #5
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    Re: LED MATRIX 16x40

    or this schematic can also be applied to my project..it is just that change the atmel into PIC16f877a



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