#include <AccelStepper.h>

#define STEP_PIN 4
#define DIR_PIN 5
#define BUTTON_PIN A3
#define NUM_STEPS 1000

AccelStepper myStepper(AccelStepper::DRIVER, STEP_PIN, DIR_PIN);

bool motor2_moving = false;
int direction2 = 1;

void setup() {
  myStepper2.setMaxSpeed(1000);
  myStepper2.setAcceleration(1000);
  pinMode(BUTTON_PIN, INPUT_PULLUP);
}

void loop() {
  if (digitalRead(BUTTON_PIN) == LOW && !motor_moving) {
    stepper.move(NUM_STEPS);
    motor_moving = true;
    
  }
  if (motor_moving && stepper.distanceToGo() == 0) {
   // direction = -direction;
    stepper.move(-NUM_STEPS);
    motor_moving = false;
  }
  stepper.run();
  
}