The issue is when I set it to 115200, then open the Serial Monitor with 115200 at the start, it won't show the printout value. I have to change it to other values except 115200, then change it back to 115200 to get the printout value.
The issue is when I set it to 115200, then open the Serial Monitor with 115200 at the start, it won't show the printout value. I have to change it to other values except 115200, then change it back to 115200 to get the printout value.