Index
 
  Reference for Wiring 1.0 (ALPHA) 0022+. 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  

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