   // Initialize speaker
   pinMode(SPEAKER_PIN, OUTPUT);
   
+  
+  rgbLED(255, 0, 0);
   beep(50);
+  rgbLED(0, 255, 0);
   beep(50);
+  rgbLED(0, 0, 255);
   beep(50);
 
   Serial.println("Setup complete");

  delay(delayms);
}








void setup() {
  Serial.begin(9600);

  // Initialize LED outputs
  pinMode(LED_PIN, OUTPUT);
  pinMode(RED_LED_PIN, OUTPUT);
  pinMode(GREEN_LED_PIN, OUTPUT);
  pinMode(BLUE_LED_PIN, OUTPUT);

  // Initialize button input
  pinMode(BUTTON_PIN, INPUT);
