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Reference for Wiring version 0024+. 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.

Class | Serial
Name | ### available()
Examples |
    int val;

    void setup() {
      Serial.begin(9600);
    }

    void loop() {
      if( Serial.available() > 0) {
        val = Serial.read();
      }
      // Set the analog output pin 0 to the value in val
      analogWrite(0, val);
    }
Description | Returns the number of bytes available.
Syntax |
    serial.available()
Parameters |
serial | The hardware serial port, it can be Serial or Serial1
Returns | int
Usage | Application

Updated on November 02, 2009 12:14:38am PST