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[SOLVED] need schematic diagram for matrix leds using pic16f877

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chaudhryali55

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hi guys! m doin project on pic microcontroller to have led sign board at the main entarnce of the university.so i think that matrix leds are envolved for switching it..so i want a schematic diagram to interface it with pic16f877..and one more question can it be implemented using one Ic..if i want to display "ACADEMIC BLOCK" so i want a help on this..how many PORTS should i use it it?

thanks in advance.
 

You could check VASCO JOSE's site (just google) for an 8x8 or 8x16 display.
Also there is another active thread on EDA on the same topic, you can benefit from it.
 
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DineshSL said:
Hi,

It is possible. You may interest to know how to handle large LED matrix with few uC outputs.

Check circuit diagrams in following links;
A dot matrix led display project for an 8x8 or 5x7 led matrix.
The control hardware

Hope this helps you,
Click to expand...

thanks dinesh for the help..it was helpful....but i m still confused what to do...can you give your opinon about what to use? one pic16f877 MCu and the remaning you decide...lets talk about only one 5x7 matrix display how to design circuit for it and what components i want....plz help

thanks in advance........
 

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