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()

pylon May 23, 2012, 4:31pm 12

flush is for the output buffer only.

This is not true as the posted code from SoftwareSerial show. It clear the input buffer only.

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