#define PIR_PIN 13
#define LED_PIN 2
#define BUZZER_PIN 4

void setup() {
  Serial.begin(115200);

  pinMode(PIR_PIN, INPUT);
  pinMode(LED_PIN, OUTPUT);
  pinMode(BUZZER_PIN, OUTPUT);

  Serial.println("Motion Detection System Started");
}

void loop() {
  int motion = digitalRead(PIR_PIN);

  if (motion == HIGH) {
    Serial.println("Motion Detected!");
    digitalWrite(LED_PIN, HIGH);
    digitalWrite(BUZZER_PIN, HIGH);
  } else {
    Serial.println("No Motion");
    digitalWrite(LED_PIN, LOW);
    digitalWrite(BUZZER_PIN, LOW);
  }

  delay(500);
}