//0-1023 light value/wokwi 8-1015/lower the darker//
// without diode, not available on wokwi
const int pirPin = 2;     // PIR sensor output pin const 
int ldrPin = A0;    // LDR analog input pin const 
int relayPin = 13;    // LED pin 

// Threshold values 
int ldrThreshold = 300;   // Adjust this value based on the ambient light level 
int pirState = LOW;       // Initial state of PIR sensor 
int pirValue = 0;         // PIR sensor value

void setup() {
  pinMode(pirPin, INPUT);
  pinMode(relayPin, OUTPUT);
  Serial.begin(9600);
}

void loop() {
  // Read PIR sensor value 
  pirValue = digitalRead(pirPin); 
  // Read LDR value (light level) 
  int ldrValue = analogRead(ldrPin);
  Serial.print("LDR Value: "); 
  Serial.print(ldrValue); 
  Serial.print(" | PIR Value: "); 
  Serial.println(pirValue); 

  // If PIR detects motion and ambient light level is low, turn on the LED   
  if (pirValue == HIGH && ldrValue < ldrThreshold) {     
    digitalWrite(relayPin, HIGH);   // Turn on the LED 
    Serial.println("LED ON"); 
  }   // If no motion or ambient light is high, turn off the LED   
  else { 
    digitalWrite(relayPin, LOW);    // Turn off the LED 
    Serial.println("LED OFF"); 
  } 
  delay(500);  // Short delay to avoid bouncing 
}