int serialRead()

Description

Reads a byte (a character) from the serial port.

Parameters

None

Returns

The next byte from the serial port, or -1 if there aren't any.

See also

• beginSerial
• serialAvailable
• serialWrite
• printByte
• printString
• printInteger
• printHex
• printOctal
• printBinary

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.