#define dirPin 7
#define stepPin 6
#define EnablePin 5

void setup() {
  // Declare pins as output:
  pinMode(stepPin, OUTPUT);
  pinMode(dirPin, OUTPUT);
  pinMode(EnablePin, OUTPUT);
  // Set the spinning direction CW/CCW:
}

void loop() {
  // These four lines result in 1 step:
  digitalWrite(EnablePin, LOW);
  digitalWrite(dirPin, HIGH);

  digitalWrite(stepPin, HIGH);
  delayMicroseconds(400);
  digitalWrite(stepPin, LOW);
  delayMicroseconds(400);
}