how to select the baudrate?
Use Serial.begin(), as you were doing, but you must pick a value that matches what the other end is expecting (9600, maybe, not 9800).
The other baud rate might be right.
how to select the baudrate?
Use Serial.begin(), as you were doing, but you must pick a value that matches what the other end is expecting (9600, maybe, not 9800).
The other baud rate might be right.