steppermotor.ino

#include <Stepper.h>

const int stepsPerRevolution = 32*64;  

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

void setup() {
  myStepper.setSpeed(10);
}

void loop() {
  myStepper.step(stepsPerRevolution);
  delay(500);

  myStepper.step(-stepsPerRevolution);
  delay(500);
}