const int pirPin = 2;

void setup() {
  // Initialize serial communication for debugging
  Serial.begin(9600);
  // Set the PIR pin as input
  pinMode(pirPin, INPUT);
}

void loop() {
  // Read the state of the PIR sensor
  int pirState = digitalRead(pirPin);
  
  // Check if motion is detected
  if (pirState == HIGH) {
    Serial.println("Motion detected!");
  } else {
    Serial.println("No motion detected.");
  }
  
  // Delay for stability
  delay(500);
}