Framework (A-Z)

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

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, Serial1 or if available Serial 2, Serial3.
Returns int
Usage Application
Updated on July 07, 2011 11:08:53pm PDT

Creative Commons License