// Pin definitions for RGB LED
const int redPin = 12;    // GPIO pin for the red channel
const int greenPin = 13;  // GPIO pin for the green channel
const int bluePin = 14;   // GPIO pin for the blue channel

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

void loop() {
  // Turn on the red LED
  setColor(255, 0, 0);  // Red

  delay(1000);  // Delay for 1 second

  // Turn on the green LED
  setColor(0, 255, 0);  // Green

  delay(1000);  // Delay for 1 second

  // Turn on the blue LED
  setColor(0, 0, 255);  // Blue

  delay(1000);  // Delay for 1 second

  // Turn off the RGB LED
  setColor(0, 0, 0);  // Off

  delay(1000);  // Delay for 1 second
}

// Function to set the RGB LED color
void setColor(int redValue, int greenValue, int blueValue) {
  analogWrite(redPin, redValue);
  analogWrite(greenPin, greenValue);
  analogWrite(bluePin, blueValue);
}