int x=5000//deskripsi delay
;const int H1 = 4;
const int  K1 = 3;
const int M1 = 2;
const int H2 = 7;
const int K2 = 6;
const int M2 = 5;
;const int H3= 10; //deskripsi pin led
const int K3 = 9;
const int M3 = 8;
const int H4 = 13;
const int K4= 12;
const int M4 = 11;

void setup()
{
  pinMode(H1, OUTPUT);
  pinMode(K1, OUTPUT);
  pinMode(M1, OUTPUT);
  pinMode(H2, OUTPUT);
  pinMode(K2, OUTPUT);
  pinMode(M2, OUTPUT);
  pinMode(H3, OUTPUT);
  pinMode(K3, OUTPUT); //pin led sebagai output
  pinMode(M3, OUTPUT);
  pinMode(H4, OUTPUT);
  pinMode(K4, OUTPUT);
  pinMode(M4, OUTPUT);
  pinMode(A1, INPUT);
  pinMode(A2, INPUT);
  pinMode(A3, INPUT); //pin saklar sebagai input
  pinMode(A4, INPUT);

  ;
}
void cek(){
  ;if (digitalRead(A2)== HIGH)
  {x=10000;}
  else if (digitalRead(A2)==LOW) //tombol 1 sebagai delay memperlambat nyala led
  {x=5000;}
}
void mati(){
    digitalWrite(H1, LOW);
    digitalWrite(K1, LOW);
    digitalWrite(M1, LOW);
    digitalWrite(H2, LOW);
    digitalWrite(K2, LOW);
    digitalWrite(M2, LOW);
    digitalWrite(H3, LOW);
    digitalWrite(K3, LOW); // sebagai mematikan program, fungsi mati();
    digitalWrite(M3, LOW);
    digitalWrite(H4, LOW);
    digitalWrite(K4, LOW);
    digitalWrite(M4, LOW);

  }

void loop()
{
if (digitalRead(A1)==HIGH) //tombol 1 nyala (menyalakan program)
 {
  if (digitalRead(A3)==HIGH)//tombol 3 nyala (menyalakam led salah satu lampu bewarna hijau)
  {
    mati(); //fungsi void mati()
    digitalWrite(H1, HIGH);
    digitalWrite(M2, HIGH);
    digitalWrite(M3, HIGH);
    digitalWrite(M4, HIGH);
  }
  if (digitalRead(A4)==HIGH)//tombol 4 nyala (menyalakan led salah satu lampu berwarna hijau)
   {
    mati(); //fungsi void mati()
    digitalWrite(M1, HIGH);
    digitalWrite(M2, HIGH);
    digitalWrite(H3, HIGH);
    digitalWrite(M4, HIGH);
   }
   else
   {
    normal(); //menyambungkan fungsi void normal() dibawah!!
   }
  }
  else if (digitalRead(A2)==LOW) // jika tombol 1 mati maka lampu kuning akan menyala sebagai lampu stand by
  {
    mati();
    digitalWrite(K1, HIGH);
    digitalWrite(K2, HIGH);
    digitalWrite(K3, HIGH); //kuning nyala
    digitalWrite(K4, HIGH);
    delay(500);

    digitalWrite(K1, LOW);
    digitalWrite(K2, LOW);//kuning mati
    digitalWrite(K3, LOW);
    digitalWrite(K4, LOW);
    delay(500);
  }
}
void normal() //
{
  cek(); //fungsi void cek()diatas
  mati();//fungsi void mati()diatas
  digitalWrite(H1, HIGH);
  digitalWrite(M2, HIGH);
  digitalWrite(M3, HIGH);
  digitalWrite(M4, HIGH);
  delay(2000); 
  if (digitalRead(A1) == LOW|| digitalRead(A3)==HIGH|| digitalRead(A4)==HIGH) //tombol 1 ditekan maka rangkaian akan menyala bergantian, jika sewaktu-waktu tombol 3/4 ditekan maka program akan menyala seperti diatas, menggunakan fungsi goto awal;
 {
 goto awal; //fungsi mengembalikan ke posisi awal program tombol 3/4
 }
  mati();
  digitalWrite(K1, HIGH); 
  digitalWrite(M2, HIGH); 
  digitalWrite(M3, HIGH);
  digitalWrite(M4, HIGH);
  delay(1000);
 if (digitalRead(A1) == LOW|| digitalRead(A3)==HIGH|| digitalRead(A4)==HIGH)
 {
 
 }

  mati();
  digitalWrite(M1, HIGH); 
  digitalWrite(M2, HIGH);
  digitalWrite(M3, HIGH);
  digitalWrite(M4, HIGH);
  delay(1000); 
  if (digitalRead(A1) == LOW|| digitalRead(A3)==HIGH|| digitalRead(A4)==HIGH)
 {
 goto awal;
 }
 
  mati();
  digitalWrite(M1, HIGH);
  digitalWrite(H2, HIGH);
  digitalWrite(M3, HIGH);
  digitalWrite(M4, HIGH);
  delay(2000); 
  if (digitalRead(A1) == LOW|| digitalRead(A3)==HIGH|| digitalRead(A4)==HIGH)
 {
 
 }
 
  mati();
  digitalWrite(M1, HIGH); 
  digitalWrite(K2, HIGH);
  digitalWrite(M3, HIGH);
  digitalWrite(M4, HIGH);
  delay(1000);
 if (digitalRead(A1) == LOW|| digitalRead(A3)==HIGH|| digitalRead(A4)==HIGH)
 {
 goto awal;
 }
  
  mati();
  digitalWrite(M1, HIGH);
  digitalWrite(M2, HIGH);
  digitalWrite(M4, HIGH);
  digitalWrite(M4, HIGH);
  delay(1000); 
  if (digitalRead(A1) == LOW|| digitalRead(A3)==HIGH|| digitalRead(A4)==HIGH)
 {
  goto awal;
 }
 
  cek();
  mati();
  digitalWrite(M1, HIGH);
  digitalWrite(M2, HIGH);
  digitalWrite(H3, HIGH);
  digitalWrite(M4, HIGH);
  delay(2000); 
 if (digitalRead(A1) == LOW|| digitalRead(A3)==HIGH|| digitalRead(A4)==HIGH)
 {
 goto awal;
 }
  //-------------M1 + M2 + K3 + M4 ON
  mati();
  digitalWrite(M1, HIGH); 
  digitalWrite(M2, HIGH);
  digitalWrite(K3, HIGH);
  digitalWrite(M4, HIGH);
  delay(1000);
 if (digitalRead(A1) == LOW|| digitalRead(A3)==HIGH|| digitalRead(A4)==HIGH)
 {
 goto awal;
 }
  
  mati();
  digitalWrite(M1, HIGH); 
  digitalWrite(M2, HIGH);
  digitalWrite(M3, HIGH);
  digitalWrite(M4, HIGH);
  delay(1000); 
  if (digitalRead(A1) == LOW|| digitalRead(A3)==HIGH|| digitalRead(A4)==HIGH)
 {
 goto awal;
 }
  mati();
  digitalWrite(M1, HIGH);
  digitalWrite(M2, HIGH);
  digitalWrite(M3, HIGH);
  digitalWrite(H4, HIGH);
  delay(2000); 
 if (digitalRead(A1) == LOW|| digitalRead(A3)==HIGH|| digitalRead(A4)==HIGH)
 {
 goto awal;
 }
  mati();
  digitalWrite(M1, HIGH);
  digitalWrite(M2, HIGH);
  digitalWrite(M3, HIGH);
  digitalWrite(K4, HIGH);
  delay(1000); 
  if (digitalRead(A1) == LOW|| digitalRead(A3)==HIGH|| digitalRead(A4)==HIGH)
 { }
  mati();
  digitalWrite(M1,1); 
  digitalWrite(M2,1);
  digitalWrite(M3,1);
  digitalWrite(M4,1);
  delay(1000); 
  awal:
  delay(1);
  

}