Reference for Wiring version 0027+ If you have a previous version, use the reference includede 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 is a nine pin I/O port that exists on most PCs and can be emulated through USB on Macintosh with the Keyspan USB Serial Adaptor. 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
serial The hardware serial port, it can be Serial or Serial1
Returns None
Usage Application
Updated on February 22, 2011 06:16:20pm PST

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