#define LDR_PIN 34
#define PIR_PIN 27
#define LED_PIN 5

void setup() {
  Serial.begin(115200);

  pinMode(LDR_PIN, INPUT);
  pinMode(PIR_PIN, INPUT);
  pinMode(LED_PIN, OUTPUT);
}

void loop() {
  int ldrValue = digitalRead(LDR_PIN); // 0 = Dark, 1 = Light
  int pirValue = digitalRead(PIR_PIN); // 1 = Motion, 0 = No motion

  Serial.print("LDR: "); Serial.print(ldrValue);
  Serial.print(" | PIR: "); Serial.println(pirValue);

  // Smart Street Light Logic
  if (ldrValue == 0) { // DARK
    if (pirValue == 1) {
      digitalWrite(LED_PIN, HIGH);  // Turn ON
    } else {
      digitalWrite(LED_PIN, LOW);   // Turn OFF
    }
  } else {
    digitalWrite(LED_PIN, LOW);     // DAYTIME → OFF
  }

  delay(500);
}