// Pin assignments
const int ledPin = 13;
const int buzzerPin = 9;

void setup() {
  // Set the LED and buzzer pins as outputs
  pinMode(ledPin, OUTPUT);
  pinMode(buzzerPin, OUTPUT);

  // Initialize serial communication
  Serial.begin(9600);
}

void loop() {
  // Turn on the LED and buzzer
  digitalWrite(ledPin, HIGH);
  digitalWrite(buzzerPin, HIGH);
  Serial.println("LED and Buzzer ON");

  // Keep the LED on for 1 second
  for (int i = 0; i < 1000; i++) {
    delay(1);  // 1 ms delay
  }
  
  // Turn off the LED and buzzer
  digitalWrite(ledPin, LOW);
  digitalWrite(buzzerPin, LOW);
  Serial.println("LED and Buzzer OFF");

  // Wait for 2 seconds before repeating
  for (int i = 0; i < 2000; i++) {
    delay(1);  // 1 ms delay
  }
}