/*
CATATAN!
Kabel berwarna biru = MERAH
Kabel berwarna kuning = KUNING
Kabel berwarna hitam = HIJAU
*/

//KUMPULAN VARIABEL YANG DIGUNAKAN
int ledMerahUtara = 11;
int ledKuningUtara = 12;
int ledHijauUtara = 13;

int ledMerahBarat = 8;
int ledKuningBarat = 9;
int ledHijauBarat = 10;

int ledMerahSelatan = 5;
int ledKuningSelatan = 6;
int ledHijauSelatan = 7;

int ledMerahTimur = 2;
int ledKuningTimur = 3;
int ledHijauTimur = 4;

int arahAktif = 0;

//PERAN SETIAP VARIABEL
void setup() {
  pinMode(ledMerahUtara, OUTPUT);
  pinMode(ledKuningUtara, OUTPUT);
  pinMode(ledHijauUtara, OUTPUT);

  pinMode(ledMerahBarat, OUTPUT);
  pinMode(ledKuningBarat, OUTPUT);
  pinMode(ledHijauBarat, OUTPUT);

  pinMode(ledMerahTimur, OUTPUT);
  pinMode(ledKuningTimur, OUTPUT);
  pinMode(ledHijauTimur, OUTPUT);

  pinMode(ledMerahSelatan, OUTPUT);
  pinMode(ledKuningSelatan, OUTPUT);
  pinMode(ledHijauSelatan, OUTPUT);
}

//FUNGSI PROGRAM DENGAN MENGGUNAKAN PERCABANGAN
void loop() {
  if (arahAktif == 0) {
    digitalWrite(ledHijauUtara, HIGH); 
    digitalWrite(ledMerahUtara, LOW);  
    digitalWrite(ledMerahBarat, HIGH);  
    digitalWrite(ledMerahSelatan, HIGH);
    digitalWrite(ledMerahTimur, HIGH);
    delay(2000);

    digitalWrite(ledHijauUtara, LOW);  
    digitalWrite(ledKuningUtara, HIGH);
    delay(1000);
    digitalWrite(ledKuningUtara, LOW);
    digitalWrite(ledMerahUtara, HIGH);

    arahAktif = 1;
  } else if (arahAktif == 1) {
    digitalWrite(ledHijauBarat, HIGH); 
    digitalWrite(ledMerahBarat, LOW);  
    digitalWrite(ledMerahUtara, HIGH);  
    digitalWrite(ledMerahSelatan, HIGH);
    digitalWrite(ledMerahTimur, HIGH);
    delay(2000);

    digitalWrite(ledHijauBarat, LOW);   
    digitalWrite(ledKuningBarat, HIGH); 
    delay(1000); 
    digitalWrite(ledKuningBarat, LOW);  
    digitalWrite(ledMerahBarat, HIGH);

    arahAktif = 2;
  } else if (arahAktif == 2) {
    digitalWrite(ledHijauSelatan, HIGH);  
    digitalWrite(ledMerahSelatan, LOW);  
    digitalWrite(ledMerahUtara, HIGH);    
    digitalWrite(ledMerahBarat, HIGH);  
    digitalWrite(ledMerahTimur, HIGH);  
    delay(2000);

    digitalWrite(ledHijauSelatan, LOW);  
    digitalWrite(ledKuningSelatan, HIGH); 
    delay(1000); 
    digitalWrite(ledKuningSelatan, LOW);
    digitalWrite(ledMerahSelatan, HIGH);

    arahAktif = 3;
  } else if (arahAktif == 3) {
    digitalWrite(ledHijauTimur, HIGH);
    digitalWrite(ledMerahTimur, LOW);
    digitalWrite(ledMerahUtara, HIGH);    
    digitalWrite(ledMerahBarat, HIGH);  
    digitalWrite(ledMerahSelatan, HIGH);  
    delay(2000);

    digitalWrite(ledHijauTimur, LOW);  
    digitalWrite(ledKuningTimur, HIGH); 
    delay(1000); 
    digitalWrite(ledKuningTimur, LOW);
    digitalWrite(ledMerahTimur, HIGH);

    arahAktif = 0;
  }
}


//TERIMA KASIH