// konfigurasi pin 

//LED 1
const int M1 = 11;
const int K1= 10;
const int H1 = 9;

//LED 2
const int M2 = 8;
const int K2 = 7;
const int H2 = 6;

//LED 3
const int M3 = 5;
const int K3 = 4;
const int H3 = 3;

//LED 4
const int M4 = 2;
const int K4 = 1;
const int H4 = 0;

int kuning = 750; //delay untuk LED kuning
int R = 3000;// delay untuk LED hijau dan merah

void setup() {
  pinMode(M1, OUTPUT);
  pinMode(K1, OUTPUT);
  pinMode(H1, OUTPUT);

  pinMode(M2, OUTPUT);
  pinMode(K2, OUTPUT);
  pinMode(H2, OUTPUT);

  pinMode(M3, OUTPUT);
  pinMode(K3, OUTPUT);
  pinMode(H3, OUTPUT);

  pinMode(M4, OUTPUT);
  pinMode(K4, OUTPUT);
  pinMode(H4, OUTPUT);

}

void loop() {

  digitalWrite(M1, HIGH);
  digitalWrite(K1, LOW);
  digitalWrite(H1, LOW);

  digitalWrite(M2, LOW);
  digitalWrite(K2, LOW);
  digitalWrite(H2, HIGH);

  digitalWrite(M3, HIGH);
  digitalWrite(K3, LOW);
  digitalWrite(H3, LOW);

  digitalWrite(M4, LOW);
  digitalWrite(K4, LOW);
  digitalWrite(H4, HIGH);
  delay(R);


  digitalWrite(M1, LOW);
  digitalWrite(K1, HIGH);
  digitalWrite(H1, LOW);

  digitalWrite(M2, LOW);
  digitalWrite(K2, HIGH);
  digitalWrite(H2, LOW);

  digitalWrite(M3, LOW);
  digitalWrite(K3, HIGH);
  digitalWrite(H3, LOW);

  digitalWrite(M4, LOW);
  digitalWrite(K4, HIGH);
  digitalWrite(H4, LOW);
  delay(kuning);


  digitalWrite(M1, LOW);
  digitalWrite(K1, LOW);
  digitalWrite(H1, HIGH);

  digitalWrite(M2, HIGH);
  digitalWrite(K2, LOW);
  digitalWrite(H2, LOW);

  digitalWrite(M3, LOW);
  digitalWrite(K3, LOW);
  digitalWrite(H3, HIGH);

  digitalWrite(M4, HIGH);
  digitalWrite(K4, LOW);
  digitalWrite(H4, LOW);
  delay(R);


  digitalWrite(M1, LOW);
  digitalWrite(K1, HIGH);
  digitalWrite(H1, LOW);

  digitalWrite(M2, LOW);
  digitalWrite(K2, HIGH);
  digitalWrite(H2, LOW);

  digitalWrite(M3, LOW);
  digitalWrite(K3, HIGH);
  digitalWrite(H3, LOW);

  digitalWrite(M4, LOW);
  digitalWrite(K4, HIGH);
  digitalWrite(H4, LOW);
  delay(kuning);


 



}