const int stepPin = 3; 
const int dirPin = 6;
const int enablePin = 8;

void setup() {
  pinMode(stepPin, OUTPUT);
  pinMode(dirPin, OUTPUT);
  pinMode(enablePin, OUTPUT);

  digitalWrite(enablePin, LOW);

  digitalWrite(dirPin, HIGH);
}

void loop() {
  digitalWrite(stepPin, HIGH);
  delayMicroseconds(800);
  digitalWrite(stepPin, LOW);
  delayMicroseconds(800);
}