int X;
void setup() {
  pinMode(2, OUTPUT);    // Set the LED as an output
  pinMode(3, INPUT);  // Set the PIR motion sensor as an input
}

void loop() {
  X = digitalRead(3);  // Read the sensor value

  if (X == HIGH){ // If motion detected or button pressed
    digitalWrite(2, HIGH);  // Turn the LED on
  }
  else {
    digitalWrite(2, LOW);  // Turn the LED off
  }

  //delay(500);  // Delay for 500 milliseconds
}