From what I understand the serial.available() reports how many characters are available in the buffer, so checking if(serial.available()) will return TRUE is 1 or more characters are in the buffer. It is also my understanding that reading the character from the buffer, serial.read() will remove tha…

Question about .available()

pYro_65 May 23, 2012, 3:50pm 8

flush is for the output buffer only.

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