int directionPin = 8;
int stepPin = 9;

int button=2;

int numberOfSteps = 15;

int pulseWidthMicros = 20;
int millisbetweenSteps = 100;

void setup() {
  Serial.begin(9600);
  Serial.println("Starting StepperTest");
  pinMode(stepPin, OUTPUT);
  pinMode(button, INPUT);
  pinMode(button, INPUT);

}

void loop() {
  if(digitalRead(button) == HIGH){

    digitalWrite(directionPin, HIGH);
    for(int n = 0; n < numberOfSteps; n++) {
      digitalWrite(stepPin, HIGH);
      delayMicroseconds(pulseWidthMicros);
      digitalWrite(stepPin, LOW);
      delay(millisbetweenSteps);
    }

    delay(1000);
    digitalWrite(directionPin, LOW);
    for(int n = 0; n < numberOfSteps; n++) {
      digitalWrite(stepPin, HIGH);
      digitalWrite(stepPin, LOW);
      delay(millisbetweenSteps);
      
    }
   }

}