SoftwareSerial: read()

[SoftwareSerial]

Description

Return a character that was received on the RX pin of the software serial port. Note that only one SoftwareSerial instance can receive incoming data at a time (select which one with the listen() function).

Parameters

none

Returns

the character read, or -1 if none is available

Example

SoftwareSerial mySerial(10,11);
 
void setup()
{
  mySerial.begin(9600);
}
 
void loop()
{
  char c = mySerial.read();
}

See also

• SoftwareSerial()
• SoftwareSerial.begin()
• SoftwareSerial.print()
• SoftwareSerial.println()

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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.