#define GREEN_BUTTON_PIN 25    
#define BUZZER_PIN 15    
#define GREEN_LED_PIN 17      
// Define yellow button pin and set the value 26
#define YELLOW_BUTTON_PIN 26 
// Define the YELLOW_LED_PIN and set the value 16
#define YELLOW_LED_PIN 16

void setup() {
  Serial.begin(115200);
  pinMode(GREEN_BUTTON_PIN, INPUT_PULLUP);
  // Use internal pull-up resistor for the button
  pinMode(YELLOW_BUTTON_PIN, INPUT_PULLUP);  


  pinMode(BUZZER_PIN, OUTPUT);
  pinMode(GREEN_LED_PIN, OUTPUT);
  // Set the YELLOW_LED_PIN as OUTPUT
  pinMode(YELLOW_LED_PIN, OUTPUT);
}

void loop() {

  int greenButtonState = digitalRead(GREEN_BUTTON_PIN);
  // Read the yellow button state
  int yellowButtonState = digitalRead(YELLOW_BUTTON_PIN);


  if (greenButtonState == LOW) {
    tone(BUZZER_PIN, 4000); 
    digitalWrite(GREEN_LED_PIN, HIGH);    
    delay(1000);
    tone(BUZZER_PIN, 0);
    digitalWrite(GREEN_LED_PIN, LOW);     
    delay(500);   
  }

  // Write condition to handle yellow button pressed
  if (yellowButtonState == LOW) {
    tone(BUZZER_PIN, 4500); 
    digitalWrite(YELLOW_LED_PIN, HIGH);    
    delay(1000);
    tone(BUZZER_PIN, 0);
    digitalWrite(YELLOW_LED_PIN, LOW);     
    delay(500);   
  }


}