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pic16f877a+matrix led+hitech c

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manikandanshine

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in my project i use scrolling matrix led...anybody tell how to interface with pic to matrix led and how to write program for that........
 

Interfacing is not tough but what programming Logic u are going to use means how u are going to scroll from left to right a particular alphabet is very important based on that can interface with LED very Easily if u elaborate a little bit i can try to help.
 

that logic only a problem.i can display a character in the 5x7 matrix led.but i cant scroll that led....do u know means plz help me sir....
 

study a little bit of sift register 74HC595 and 4017 decade counter i think u know very well regarding PIC programming if u search this in any search engine i think u will get ur circuit this two ICS are widely used in scrolling LED display
I haven"t done this type of project ever so cannot assure u the proper circuit diagram But I am gathering all the information regarding this .
 

study a little bit of sift register 74HC595 and 4017 decade counter i think u know very well regarding PIC programming if u search this in any search engine i think u will get ur circuit this two ICS are widely used in scrolling LED display
I haven"t done this type of project ever so cannot assure u the proper circuit diagram But I am gathering all the information regarding this .

Thanks for ur reply......
 

in my project i use scrolling matrix led...anybody tell how to interface with pic to matrix led and how to write program for that........


follow this link
https://blog.vinu.co.in/2011/07/10x8-led-dotmatrix-display.html

I also checked codes of above link and I had not to correction for those codes.

If u use 10*8 or 8*8 dot matrix display u can easily find pins of display using 3V supply. firstly u have to separate columns and rows of the display.
I used following part number of 8*8 display.
LD-1988BS
It's pin description is,
rows(negative):13, 3, 4, 10, 6, 11, 15, 16
:)
 

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