#define RELAY1_PIN 4
#define RELAY2_PIN 5
#define RELAY3_PIN 18
#define RELAY4_PIN 19

void setup() {
  pinMode(RELAY1_PIN, OUTPUT);
  pinMode(RELAY2_PIN, OUTPUT);
  pinMode(RELAY3_PIN, OUTPUT);
  pinMode(RELAY4_PIN, OUTPUT);

  digitalWrite(RELAY1_PIN, LOW);
  digitalWrite(RELAY2_PIN, LOW);
  digitalWrite(RELAY3_PIN, LOW);
  digitalWrite(RELAY4_PIN, LOW);
}

void loop() {
  // Logika untuk mengendalikan relay berdasarkan kondisi tertentu

  // Contoh kondisi sederhana
  bool condition1 = true;
  bool condition2 = false;
  bool condition3 = true;
  bool condition4 = false;

  if (condition1) {
    digitalWrite(RELAY1_PIN, HIGH);
  } else {
    digitalWrite(RELAY1_PIN, LOW);
  }

  if (condition2) {
    digitalWrite(RELAY2_PIN, HIGH);
  } else {
    digitalWrite(RELAY2_PIN, LOW);
  }

  if (condition3) {
    digitalWrite(RELAY3_PIN, HIGH);
  } else {
    digitalWrite(RELAY3_PIN, LOW);
  }

  if (condition4) {
    digitalWrite(RELAY4_PIN, HIGH);
  } else {
    digitalWrite(RELAY4_PIN, LOW);
  }

  // Tambahkan delay jika diperlukan
  delay(100);
}