I can help you in this project. It will required to at 89S52 interfaced with graphics card.
I hope you expect it through CMOS level rather than using the RS232.
I have worked upon several project on AT89S52,More
We will provide the PCB files in Altium designer including the schematics and sample codes for the board.
But you must also define the number of input output I/O pins, input voltage, programming header and etc.
I have worked on this project during my engineering and professional life. I am the best guy and also as this is my first project on Freelancer so I will be fully dedicated and not like others who have multiple projectMore