#include <AccelStepper.h>


const int stepMove = 50;

AccelStepper stepper; // padrão com 2, 3, 4, 5

void setup() {
  stepper.setMaxSpeed(100);
  stepper.setAcceleration(50.0);

  stepper.move(2000);
  stepper.runToPosition();
  delay(1000);
}

void loop() {
  stepper.move(50);
  stepper.runToPosition();
  delay(1000);
}