// Define the pin to be used
const int pirPin = 2; // Pin of the motion sensor

void setup() {
  // Initialize the pin as input
  pinMode(pirPin, INPUT);

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

void loop() {
  // Read the value of the motion sensor pin
  int motion = digitalRead(pirPin);

  // Print the value to the serial console
  Serial.println(motion);

  // Wait a moment before repeating
  delay(1000);
}