PIC18F4550 with 128x64 KS0108 vs 128x64 ST7920

N

nedix

New member
Hello,
I found a quite interesting schematic for a real-time audio spectrum analyzer based on a PIF18F4550. The problem is that the schematic is for an 128x64 KS0108 LCD and I have an 128x64 ST7920 LCD. I have the source code for the program but I have no idea what to do to reprogram the code to work with the new controller.
Does anyone have an idea how to? I can provide the code/libraries/files if requested.
Thanks
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CF Tech

CF Tech

Administrator
The easiest choice would be to use a KS0108 display like this:

https://www.crystalfontz.com/product/cfag12864btmiv-lcd-module-128x64-graphic

phpThumb.php


If you must use the ST7920 LCD, then you will need to port the code, which could be anywhere from "hard" to "extremely difficult" depending on how well the code was written, if the original author kept portability in mind, your coding skill and your knowledge of how the displays work.
 
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