#include "Stepper.h"

// change the steps variable to the number of steps on your motor
int steps = 100;

// create and attaches a stepper motor
// with 100 steps to pins 0, 1, 2 and 3

Stepper stepper(steps, 0, 1, 2, 3);


void setup()
{
  // set the speed of the motor to 20 rpms
  stepper.setSpeed(20);
}

void loop()
{
  // move 20 steps forward
  stepper.step(20);

  // move 20 steps backwards
  stepper.step(-20);
}