const int pirPin = 2;    // PIR sensor output pin
const int relayPin = 6;  // Relay module control pin

void setup() {
  pinMode(pirPin, INPUT);
  pinMode(relayPin, OUTPUT);
  digitalWrite(relayPin, LOW);  // Make sure the relay is initially off
  Serial.begin(9600);
}

void loop() {
  int pirState = digitalRead(pirPin);
  
  if (pirState == HIGH) {
    Serial.println("Motion detected!");
    digitalWrite(relayPin, HIGH);  // Turn on the relay
    delay(5000);  // Wait for 5 seconds
  } else {
    digitalWrite(relayPin, LOW);  // Turn off the relay
  }

  delay(1000);  // Delay between readings
}