/* Filename: LCD_Fading.ino
 LCD Back Light Fading
 This example shows how to fade an LED using the analogWrite() function.
 The circuit: * LED attached from digital pin 9 to ground.
  Created 1 Nov 2008 By David A. Mellis; Modified 17 June 2009 By Tom Igoe
  http://arduino.cc/en/Tutorial/Fading  */
 
int ledPin = 9;    // LCD LED connected to digital pin 9
 
void setup( )  {   // nothing happens in setup 	} 
 
void loop( )  { 
  // fade in from min to max in increments of 5 points:
for(int fadeValue = 0 ; fadeValue <= 255; fadeValue +=5) { 
    // sets the value (range from 0 to 255):
analogWrite(ledPin, fadeValue);         
    // wait for 30 milliseconds to see the dimming effect    
delay(30);                            
  } 
 
  // fade out from max to min in increments of 5 points:
for(int fadeValue = 255 ; fadeValue >= 0; fadeValue -=5) { 
    // sets the value (range from 0 to 255):
analogWrite(ledPin, fadeValue);         
    // wait for 30 milliseconds to see the dimming effect    
delay(30);                            
  } 
}	// END