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Mega and Baudrate of 115200

Hello All

To start, i`ve checked a lot of threads and i could not find answer so far.

Nextion enchanced 5.0 changed to 115200 bauds.

Now Arduino Mega changed to Serial1, no matter what i type, they don`t talk.

Non of the supported baud rates work expect for the default 9600.

Which one in theory should be used?




As non of the seems to talk.

Wiring is short circa 10cm. Works ok on 9600.

Does the baud rate must be changed in any of the .h or .cpp files?

Thank you

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You begin to notice almost every thread states:

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