Here it’s being used to program a Banggood POV kit which uses an STC89C52RC chip – but you could obviously adapt the Arduino sketch and/or make a wiring harness to work with any STC89 board: Here’s the video showing how to use the Arduino UNO as a programmer. Connect up to your chip with a 5-volt serial port such as an FTDI (or you can use an Arduino UNO or similar that has a 5V FTDI built-in). You select the COM port and the hex file you want to upload. It’s pretty basic but all you really need. Using that source code as a guide I figured out how to write my own Windows version. I also found one that worked under Linux, from the command line. ![]() ![]() In any case, it was a Chinese program, and as I don’t read that language, I just had to remember which controls to use. I did find one that worked on Windows XP, and with some hacking got it to work with Windows 7 however I had no luck with Windows 10. I found several programmers that work with other chips in the STC range. I couldn’t find an ISP (programmer) for the STC89C52RC that worked with modern versions of Windows.
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