/* Milk light PWM test
 * -----------------------------
 *
 * By David Hayward
 *
 * www.instructables.com/member/Nachimir
 *
 */


int potPin = 2;    // select the input pin for the potentiometer (Analog pin AD2)
int led1 = 5;
int led2 = 6;
int led3 = 9;
int led4 = 10;
int led5 = 11;
int val = 0;      // variable to store the value coming from the sensor

void setup() {
/*  pinMode(led1, OUTPUT);  // declare the ledPin as an OUTPUT
  pinMode(led2, OUTPUT);
  pinMode(led3, OUTPUT);
  pinMode(led4, OUTPUT);
  pinMode(led5, OUTPUT);
  */
}

void loop() {

  for(val = 0 ; val <= 100; val+=1) // fade in (from min to max) 
  {
  analogWrite(led1, val);
  analogWrite(led2, val);
  analogWrite(led3, val);
  analogWrite(led4, val);
  analogWrite(led5, val);
  delay(30);    
  }
  
  for(val = 100 ; val <= 255; val+=2) // fade in (from min to max) 
  {
  analogWrite(led1, val);
  analogWrite(led2, val);
  analogWrite(led3, val);
  analogWrite(led4, val);
  analogWrite(led5, val);
  delay(30);    
  }
  
  for(val = 255; val >=100; val-=2)   // fade out (from max to min)  
{
  analogWrite(led1, val);
  analogWrite(led2, val);
  analogWrite(led3, val);
  analogWrite(led4, val);
  analogWrite(led5, val);
  delay(30);
}

  for(val = 100; val >=0; val-=1)   // fade out (from max to min)  
{
  analogWrite(led1, val);
  analogWrite(led2, val);
  analogWrite(led3, val);
  analogWrite(led4, val);
  analogWrite(led5, val);
  delay(30);
}

  while(val <= 0)
{
  analogWrite(led1, 0);
  analogWrite(led2, 0);
  analogWrite(led3, 0);
  analogWrite(led4, 0);
  analogWrite(led5, 0);
  delay(1800);
  break;
}

}