// Define the buzzer and LED pins
const int buzzerPin = 5; // Change this to match your setup
const int ledPin = 6;    // Change this to match your setup

// Define the countdown time (in seconds)
const int countdownTime = 60; // Change this to your desired countdown time

void setup() {
  pinMode(buzzerPin, OUTPUT);
  pinMode(ledPin, OUTPUT);
  Serial.begin(115200); // Initialize serial communication
}

void loop() {
  // Start the countdown
  for (int i = countdownTime; i >= 0; i--) {
    // Display the countdown on the Serial Monitor
    Serial.print("Countdown: ");
    Serial.println(i);
    
    // Calculate the duration based on how close we are to zero
    int duration = map(i, 0, countdownTime, 100, 500); // Adjust as needed for sound range
    
    // Play a beep sound, turn on the LED
    playSoundAndLight(1000, duration);

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

  // You can add additional actions or code to execute after the countdown finishes here
  // For example, turn off the buzzer, LED, or trigger another event.
}

// Function to play a sound on the buzzer, turn on the LED
void playSoundAndLight(int frequency, int duration) {
  tone(buzzerPin, frequency, duration);
  digitalWrite(ledPin, HIGH); // Turn on the LED
  delay(duration);
  noTone(buzzerPin);
  digitalWrite(ledPin, LOW); // Turn off the LED
}