// Define the LED pin
const int ledPin = 13;

// Define the starting countdown time in seconds
int countdownTime = 5; // 60 seconds

void setup() {
  // Initialize the LED pin as an output
  pinMode(ledPin, OUTPUT);
  
  // Start serial communication for debugging
  Serial.begin(9600);
}

void loop() {
  // Check if countdownTime is greater than 0
  if (countdownTime > 0) {
    // Print the countdown value to the Serial Monitor
    Serial.print("Time remaining: ");
    Serial.println(countdownTime);
    
    // Decrease the countdown value by 1
    countdownTime = countdownTime - 1;
    
    // Wait for 1 second before continuing the countdown
    delay(1000); // Delay for 1000 milliseconds (1 second)
  }
  else {
    // Once countdown reaches 0, turn on the LED
    digitalWrite(ledPin, HIGH);
    
    // Print a message indicating the LED is on
    Serial.println("Countdown complete! LED ON.");
    delay
    // Optionally, you can stop the countdown after it reaches 0
    // To restart the countdown, you can reset countdownTime or press the reset button.
    // delay(5000);  // Add delay if you want to hold the LED on for 5 seconds
  }
}