Connect them to what?
hi,Actually, we don't want to change the baud rate every time we connect our data logger to new equipment. So our data logger will detect the baud rate and set it to the required one.
That what I was thinking how is this possible even I did not connect my TX pin of Arduino to the RX pin of Echo SounderOK, let me get this straight.
This is unrelated to your original project.
You are now working on a datalogger for which you are writing a program.
You have no access to the firmware on the sounder and other things to be logged, but you are going to try to use a program you found that depends on the transmission of a known string which you will have to make the other devices emit to determine the data rate.
Is this right?
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