#include  <Stepper.h>
const int stepsPerRevolution = 200;

Stepper myStepper(stepsPerRevolution, 8, 9, 10, 11);


void setup() {
  // put your setup code here, to run once:
  myStepper.setSpeed(60);
  Serial.begin(9600);
}

void loop() {
  // put your main code here, to run repeatedly:
  Serial.println("Clockwise");
  myStepper.step(400);
  delay(500);

Serial.println("Anticlockwise");
myStepper.step(-400);
delay(500);
}