const int dirPin = 2;
const int stepPin = 3;
const int stepsPerRevolution = 400;


void setup() {
  // put your setup code here, to run once:
pinMode(dirPin, INPUT_PULLUP);
pinMode(stepPin, INPUT_PULLUP);

}

void loop() {
  // put your main code here, to run repeatedly:
  digitalWrite(dirPin, HIGH);

  for(int x= 0; x < stepsPerRevolution; x++)
  {
    digitalWrite(stepPin, LOW);
    delayMicroseconds(4000);
   digitalWrite(stepPin, HIGH);
    delayMicroseconds(4000);
  } 
  delay(1000);

// put your main code here, to run repeatedly:
//  digitalWrite(dirPin, LOW);

//  for(int x= 0; x < stepsPerRevolution; x++)
//  {
//    digitalWrite(stepPin, LOW);
//    delayMicroseconds(2000);
//   digitalWrite(stepPin, HIGH);
//    delayMicroseconds(2000);
//  } 
//  delay(1000);

}