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() {
  Serial1.begin(9600);
}

void loop() {
  if( Serial1.available() > 0) {
    val = Serial1.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 12:13:06am PST

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