[Stream]
説明
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).
Syntax
stream.read()
Parameters
stream
: an instance of a class that inherits from Stream.
Returns
the first byte of incoming data available (or -1 if no data is available)
See also
Language Reference Home
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