Errors related to setup function/serial

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hello everybody,

recently i've been experiencing issues due , deleted of code try isolate problem. ended having few lines in setup function.
please see video here:
https://www.youtube.com/watch?v=ih82ua6rhbq
i using board @ 115200 bps (i have transfer data , 9600 bps not enough if used @ full capacity). main concern board seems send hello message twice (see second 35).

anybody idea wrong?

many thanks,
marius

post code.


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