int pirPin = 14;  // PIR sensor output connected to GPIO14
int ledPin = 2;   // Onboard LED (can change to any GPIO)

void setup() {
  pinMode(pirPin, INPUT);
  pinMode(ledPin, OUTPUT);
  Serial.begin(115200);
}

void loop() {
  int motion = digitalRead(pirPin);

  if (motion == HIGH) {
    Serial.println("Motion detected!");
    digitalWrite(ledPin, HIGH);
  } else {
    digitalWrite(ledPin, LOW);
  }

  delay(200);  // To avoid flooding serial monitor
}