const int mundur = 6; //Kuning(counterCLockWise / Berlawanan Jarum Jam)
const int maju = 5; //Merah(Clockwise/Searah Jarum Jam)
int direction = 2;   //Pin Direction
int step = 3;        //Pin Step
int count;  
int time = 20000;    //Kecepatan Putar

void setup() 
{
  Serial.begin(9600);
  Serial.println("Motor Stepper Mulai");
  pinMode(mundur, INPUT_PULLUP);
  pinMode(maju, INPUT_PULLUP);
  pinMode(direction, OUTPUT);
  pinMode(step, OUTPUT);
  digitalWrite(direction, LOW);
  digitalWrite(step, LOW);
}

void loop() 
{
  int berlawananjarum = digitalRead(mundur);
  int searahjarum = digitalRead(maju);
  
  if(berlawananjarum == LOW)
  {
    delay(250);
    if(berlawananjarum == LOW)
    {
      digitalWrite(direction, LOW); 
      do
      {
        digitalWrite(step, HIGH);
        delayMicroseconds(time);
        digitalWrite(step, LOW);
        delayMicroseconds(time);
        berlawananjarum = digitalRead(mundur); 
      }
      while(berlawananjarum != HIGH);
    }
  }

  if(searahjarum == LOW)
  {
    delay(250);
    if(searahjarum == LOW)
    {
      digitalWrite(direction, HIGH); 
      do
      {
        digitalWrite(step, HIGH);
        delayMicroseconds(time);
        digitalWrite(step, LOW);
        delayMicroseconds(time);
        searahjarum = digitalRead(maju); 
      }
      while(searahjarum != HIGH);
    }
  }
}