const int redPin = 9;
const int greenPin = 10;
const int bluePin = 11;

void setup()
{
 pinMode(redPin, OUTPUT); 
 pinMode(greenPin, OUTPUT); 
 pinMode(bluePin, OUTPUT); 
}

void loop()
{
 analogWrite(redPin, 0); 
 analogWrite(greenPin, 0); 
 analogWrite(bluePin, 0); 
 
 delay(100);
 analogWrite(redPin, 1023); 

 delay(500);
 analogWrite(greenPin, 1023); 
 
 delay(1000);
 analogWrite(bluePin, 1023); 
 
 delay(2000);
}