The amount of data in the buffer depends on how quickly you process them. Remember that the serial port operates completely asynchronously and it can happen that during the processing of one frame to the computer reaches a few more.
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The amount of data in the buffer depends on how quickly you process them. Remember that the serial port operates completely asynchronously and it can happen that during the processing of one frame to the computer reaches a few more.
Thank you so much for your replies, for your patience, for your ideas and your important information
I like your motivation to help all beginners :)
Thank you again