#define PIR_PIN 9
#define LED_PIN LED_BUILTIN

int pirState = LOW;

void setup() {
  pinMode(PIR_PIN, INPUT);

  Serial.begin(9600);
  Serial.println("PIR Motion Sensor Started");
}

void loop() {
  pirState = digitalRead(PIR_PIN);

  if (pirState == HIGH) {
    Serial.println("Motion Detected!");
  }
  else {
    Serial.println("No Motion");
  }

  delay(500);
}