Interfacing RGB Led with Arduino

1// *Interfacing RGB LED with Arduino 
2// * Author: Osama Ahmed 
3
4//Defining  variable and the GPIO pin on Arduino
5int redPin= 5;
6int greenPin = 6;
7int  bluePin = 7;
8
9void setup() {
10  //Defining the pins as OUTPUT
11  pinMode(redPin,  OUTPUT);              
12  pinMode(greenPin, OUTPUT);
13  pinMode(bluePin, OUTPUT);
14}
15void  loop() {
16  setColor(255, 0, 0); // Red Color
17  delay(1000);
18  setColor(0,  255, 0); // Green Color
19  delay(1000);
20  setColor(0, 0, 255); // Blue Color
21  delay(1000);
22  setColor(255, 255, 255); // White Color
23  delay(1000);
24  setColor(170, 0, 255); // Purple Color
25  delay(1000);
26  setColor(127, 127,  127); // Light Blue
27  delay(1000);
28}
29void setColor(int redValue, int greenValue,  int blueValue) {
30  analogWrite(redPin, redValue);
31  analogWrite(greenPin,  greenValue);
32  analogWrite(bluePin, blueValue);
33}
34