int ldrPin = 32;
int relayPin = 26;

void setup() {
  pinMode(relayPin, OUTPUT);
  Serial.begin(115200);
}

void loop() {
  int ldrValue = analogRead(ldrPin);
  Serial.println(ldrValue);

  if (ldrValue < 1000) { // Dark condition
    digitalWrite(relayPin, HIGH); // Turn ON light
  } else {
    digitalWrite(relayPin, LOW); // Turn OFF light
  }
  delay(500);
}