flush() clears the buffer once all outgoing characters have been sent.
This function is part of the Stream class and is called by any class that inherits from it (Wire, Serial, etc).
stream : an instance of a class that inherits from Stream.
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The text of the 86Duino reference is a modification of the Arduino reference and is licensed under a Creative Commons Attribution-ShareAlike 3.0 License. Code samples in the reference are released into the public domain