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LED MATRIX 16x40 - problem with a scrolling sentence

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edmondren_89

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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
 

edmondren_89

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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 .
 

edmondren_89

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Re: LED MATRIX 16x40

this is my schematic diagram
 

edmondren_89

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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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