// Define the PIR sensor pin
const int pinPIR = 26;

void setup() {
  // Start serial communication
  Serial.begin(9600);
  // Configure the PIR sensor pin as input
  pinMode(pinPIR, INPUT);
}

void loop() {
  // Read the state of the PIR sensor
  int pirState = digitalRead(pinPIR);

  // If motion is detected
  if (pirState == HIGH) {
    // Print "movement" message on the serial port
    Serial.println("movement");
  } else {
    // Print "off" message on the serial port
    Serial.println("off");
  }

  // Wait for a brief period before reading again
  delay(1000);
}