How to check the baud rate of a transmitter?

Do you mean in your embedded software, or do you want to measure it manually?

To do it in software, search for "auto-baud"

To measure it, use a scope.
If you think it's a standard rate, trial & error with a terminal!

Do you mean in your embedded software, or do you want to measure it manually?

To do it in software, search for "auto-baud"

To measure it, use a scope.
If you think it's a standard rate, trial & error with a terminal!