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Reference for Wiring version 1.0 Build 0100+ If you have a previous version, use the reference included with your software. If see any errors or have any comments, let us know.

Class | Serial
Name |

### begin()

Examples |
    int val;

    void setup() {
      Serial.begin(9600);  // Start serial Serial at 9600 baud
    }

    void loop() {
      if ( Serial.available() > 0 )  // if data is available to read
      {
        val = Serial.read();        // read it and store it in 'val'
      }
      analogWrite(0, val);
    }

    int val;

    void setup() {
      Serial1.begin(115200);  // Start serial Serial1 at 115200 baud
    }

    void loop() {
      if ( Serial1.available() > 0 )  // if data is available to read
      {
        val = Serial1.read();  // read it and store it in 'val'
      }
      analogWrite(0, val);
    }

Description | The Wiring serial library allows for easily reading and writing data to external machines. The serial port used to be a nine pin I/O port that existed on most PCs and can be emulated through a USB serial adapter. The begin(rate) method must be placed in the setup() method.
Syntax |
    serial.begin(rate)
Parameters |

rate | Integer specifying the speed: 2400, 4800, 9600, 14400, 19200, 28800, 38400, 57600 or 115200 bauds
serial | The hardware serial port, it can be Serial, Serial1 or if available Serial 2, Serial3.

Returns | None
Usage | Application

Updated on July 07, 2011 11:08:53pm PDT