#include<Stepper.h>
const int stepsperRevolution=1024;
const int rpm=12;
Stepper Stepper1= Stepper(stepsperRevolution,8,9,10,11);
void setup()
{
  Stepper1.setSpeed(rpm);
  Serial.begin(9600);
  Serial.println("select rotation");
  Serial.println("1.full forward");
  Serial.println("2.half rotation");
  Serial.println("3.double forward");
}
void loop()
{
  Stepper1.step(stepsperRevolution);
  delay(1000);
  Stepper1.step(stepsperRevolution/2);
  delay(1000);
  Stepper1.step(stepsperRevolution*2);
  delay(1000);
}