#define relayPin 5
#define onTime 61200000 //waktu menyala 61200000 (17 jam) dalam milidetik
#define offTime 25200000 //waktu mati 25200000 (7 jam) dalam milidetik
#define ldrPin A0

unsigned long previousMillis = 0;
int relayState = HIGH; //relay aktif saat output HIGH
int on = 1;

void setup() {
  Serial.begin(9600);
  pinMode(relayPin, OUTPUT);
  digitalWrite(relayPin, relayState);
}

void loop() {
  unsigned long currentMillis = millis();
  
  int ldrValue = analogRead(ldrPin);
  Serial.print("Nilai LDR: ");
  Serial.println(ldrValue);
  
  if (currentMillis - previousMillis >= (on ? offTime : onTime)) {
    previousMillis = currentMillis;
    Serial.println(on ? "Lampu menyala" : "Lampu mati");
    on = !on;
    relayState = on ? LOW : HIGH;
    digitalWrite(relayPin, relayState);
    // Serial.println(on ? "Lampu menyala 2" : "Lampu mati 2");
  }
  
  delay(1000); //atur waktu baca sensor cahaya di sini
}