Reference Language | Libraries | Comparison | Changes
read() reads characters from an incoming stream to the buffer.
This function is part of the Stream class, and is called by any class that inherits from it (Wire, Serial, etc). See the Stream class main page for more information.
stream.read()
stream : an instance of a class that inherits from Stream.
the first byte of incoming data available (or -1 if no data is available)
Corrections, suggestions, and new documentation should be posted to the Forum.
The text of the Arduino reference is licensed under a Creative Commons Attribution-ShareAlike 3.0 License. Code samples in the reference are released into the public domain.