| Index

| Reference for Wiring 1.0 (ALPHA) 0021+. If you have a previous version, use the reference included with your software. If you see any errors or have any comments, let us know.

Name |  | ### begin()
Examples |  |
    #include <SoftwareSerial.h>

    int val;
    SoftwareSerial port = SoftwareSerial(8, 9);

    void setup() {
      pinMode(8, INPUT);  // rx pin
      pinMode(9, OUTPUT);  // tx pin
      port.begin(9600);  // Start serial Serial at 9600 baud
    }

    void loop() {
      val = port.read(); // read a value and echo it
      port.print(val);
    }
Description |  | The Wiring SoftwareSerial library allows for easily reading and writing data to external machines through software serial ports. 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 software serial port variable
Returns |  | None
Usage |  | Application