#include <AccelStepper.h>

const int stepPin1 = 2;
const int directionPin1 = 3;
const int enablePin = 4;

const int lim_1 = 7;
const int lim_2 = 8;

AccelStepper stepper1(AccelStepper::DRIVER, stepPin1, directionPin1);

int led = 13;
int lim1 = 0;
int lim2 = 0;

void setup() {
  // put your setup code here, to run once:
  stepper1.setEnablePin(enablePin);
  stepper1.enableOutputs();
  stepper1.setMaxSpeed(500000);
  stepper1.setSpeed(500000);
  stepper1.setAcceleration(200);

}

void loop() {
  // put your main code here, to run repeatedly:
 //if (stepper1.currentPosition() < 500){
  stepper1.moveTo(1500);
  stepper1.run();
 //}
}