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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 |

### write()

Examples |
    int data = 0;

    void setup() {
      Serial.begin();
    }

    void loop() {
      data = analogRead(0);
      data = data / 4;
      // write the value stored in
      // the variable data to the serial port
      Serial.write(data);
    }
Description | The write() method writes a single byte to the serial port. This is often helpful for looking at the data a program is producing or to write data to other devices connected to the serial port.
Syntax |
    serial.write(data)
    serial.write(str)
    serial.write(buf,len)
Parameters |

data | a value to send as a single byte
str | a string to send as a series of bytes
buf | an array to send as a series of bytes
len | int: the length of the buf buffer
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 11:08:56pm PDT