const int pirPin = 2;  
const int ldrPin = A0;
const int ledPin = 7; 

void setup() {
  pinMode(pirPin, INPUT);
  pinMode(ldrPin, INPUT);
  pinMode(ledPin, OUTPUT);
}

void loop() {
  int pirState = digitalRead(pirPin); 
  int ldrValue = analogRead(ldrPin);  


  if (pirState == HIGH && ldrValue < 500) {
    digitalWrite(ledPin, HIGH); 
  } else {
    digitalWrite(ledPin, LOW); 
  }
  
  delay(100); // Delay for stability
}