#define Merah1 1
#define Kuning1 2
#define Hijau1 3

#define Merah2 4
#define Kuning2 5
#define Hijau2 6


void setup() {
  // put your setup code here, to run once:
  pinMode(Merah1, OUTPUT);
  pinMode(Kuning1, OUTPUT);
  pinMode(Hijau1, OUTPUT);
  
  pinMode(Merah2, OUTPUT);
  pinMode(Kuning2, OUTPUT);
  pinMode(Hijau2, OUTPUT);

  digitalWrite(Merah1,HIGH);
  digitalWrite(Merah2,HIGH);
  delay(500);

}

void loop() {
  
  //Simpang 1 Hijau
  digitalWrite(Merah1,LOW);
  digitalWrite(Merah2,HIGH);
  digitalWrite(Kuning1,LOW);
  digitalWrite(Kuning2,LOW);
  digitalWrite(Hijau1,HIGH);
  digitalWrite(Hijau2,LOW);
  delay(5000);
  //Simpang 1 DAN 2 Kuning
  digitalWrite(Merah1,LOW);
  digitalWrite(Merah2,LOW);
  digitalWrite(Kuning1,HIGH);
  digitalWrite(Kuning2,HIGH);
  digitalWrite(Hijau1,LOW);
  digitalWrite(Hijau2,LOW);
  delay(1000);

  //Simpang 2 Hijau
  digitalWrite(Merah1,HIGH);
  digitalWrite(Merah2,LOW);
  digitalWrite(Kuning1,LOW);
  digitalWrite(Kuning2,LOW);
  digitalWrite(Hijau1,LOW);
  digitalWrite(Hijau2,HIGH);
  delay(5000);

  //Simpang 1 DAN 2 Kuning
  digitalWrite(Merah1,LOW);
  digitalWrite(Merah2,LOW);
  digitalWrite(Kuning1,HIGH);
  digitalWrite(Kuning2,HIGH);
  digitalWrite(Hijau1,LOW);
  digitalWrite(Hijau2,LOW);
  delay(1000);

  // put your main code here, to run repeatedly:

}