// Define pins for RGB LED
 const int redPin = 9;
 const int greenPin = 10; 
const int bluePin = 11; 


void setup() {
 // Initialize pins as output
 pinMode(redPin, OUTPUT);
 pinMode(greenPin, OUTPUT);
 pinMode(bluePin, OUTPUT);
 }




 void loop() {
 // Set RGB LED colors
 setColor(255, 0, 0); // Red 
delay(1000); // Wait for 1 second
 setColor(0, 255, 0); // Green
 delay(1000); // Wait for 1 second
 setColor(0, 0, 255); // Blue
  delay(1000); // Wait for 1 second
 }
 // Function to set RGB LED color 
void setColor(int red, int green, int blue)
 {
 analogWrite(redPin, red); // Set red intensity
 analogWrite(greenPin, green); // Set green intensity 
analogWrite(bluePin, blue); // Set blue intensity
 }