#include <Stepper.h>

const int stepsPerRev11 = 200;
Stepper myStepper(stepsPerRev11, 9, 8);

void setup() {
  // put your setup code here, to run once:
  myStepper.setSpeed(60);
  pinMode(10, OUTPUT);
  digitalWrite(10, LOW);

}

void loop() {
  // put your main code here, to run repeatedly:
  myStepper.step(stepsPerRev11);
  delay(1000);
  myStepper.step(-stepsPerRev11);
  delay(1000);

}