#include <AccelStepper.h>

  int speed = 500;
  int accel = 100;

  int dir = 2;
  int step = 3;

  int PBD = 8;
  int PBE = 9;

  AccelStepper Motor(1, step, dir);

void setup() 
{ Motor.setMaxSpeed(speed);
  Motor.setSpeed(speed);
  Motor.setAcceleration(accel);
  pinMode(PBD, INPUT_PULLUP);
  pinMode(PBE, INPUT_PULLUP);
}


void loop() 
{
  int horario = digitalRead(PBD);
  int reverso = digitalRead(PBE);

  if ( horario == 0)
  {
    Motor.moveTo(200);

  }

  
  if ( reverso == 0)
  {
    Motor.moveTo(-200);

  }

   Motor.run();
}