Sorry !!!
// Adafruit Motor shield library
// copyright Adafruit Industries LLC, 2009
// this code is public domain, enjoy!
#include <AFMotor.h>
// Connect a stepper motor with 48 steps per revolution (7.5 degree)
// to motor port #2 (M3 and M4)
AF_Stepper motor(200, 1);
void setup() {
motor.setSpeed(60); // 60 rpm
}
void loop() {
motor.step(200, FORWARD, SINGLE);
delay(2500);
motor.step(200, BACKWARD, SINGLE);
}