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

// Define button pin
const int buttonPin = 2;

int buttonState = 0; // Store the current state of the button
int previousButtonState = 0; // Store the previous state of the button

void setup() {
  // Set the RGB LED pins as OUTPUT
  pinMode(redPin, OUTPUT);
  pinMode(greenPin, OUTPUT);
  pinMode(bluePin, OUTPUT);
  
  // Set the button pin as INPUT
  pinMode(buttonPin, INPUT_PULLUP);
}

void loop() {
  // Read the state of the button
  buttonState = digitalRead(buttonPin);

  // If the button is pressed, change the LED color
  if (buttonState == LOW && previousButtonState == HIGH) {
    // Change the LED color
    changeColor();
  }

  // Update the previous button state
  previousButtonState = buttonState;
}

// Function to change the RGB LED color
void changeColor() {
  // Generate a random color
  int redValue = random(256);
  int greenValue = random(256);
  int blueValue = random(256);

  // Set the RGB LED colors
  analogWrite(redPin, redValue);
  analogWrite(greenPin, greenValue);
  analogWrite(bluePin, blueValue);
  
  delay(500); // Delay to prevent rapid color changes
}