#include <AccelStepper.h>

#define motorInterfaceType 1
const int dirPin = 22;
const int stepPin = 23;

AccelStepper myStepper(motorInterfaceType, stepPin, dirPin);

void setup(){
  pinMode(stepPin, OUTPUT);
  pinMode(dirPin, OUTPUT);
}

void loop(){
  myStepper.setMaxSpeed(1000);
  myStepper.setAcceleration(50);
  myStepper.setSpeed(200);
  myStepper.moveTo(2000);
  myStepper.runToPosition();
}