  *                                         SETUP                                         *
  * ***************************************************************************************/
 void init_buttons() {
-  for (int i = 0; i < buttons_quantity; i++) {
+  for (int i = 0; i < BUTTONS_QUANTITY; i++) {
    pinMode(buttons[i], INPUT_PULLUP);
   }
 }

}

void update_servos_pair() {
  update_servo(x_axis, &servo_base);
}

void loop() {
  update_servos_pair();
  delay(150);
}



#include "Configuration.h"
#include "AnalogInput.h"
#include "DigitalInput.h"
#include "Joystick.h"
#include "Motor.h"
#include "MyServo.h"
#include "MyStepper.h"
#include "MotorsContainer.h"

bool DEBUG = true;

/* ***************************************************************************************
 *                                      PINES BOTONERA                                   *
 * ***************************************************************************************/

const int buttons[] = {UP_BUTTON, DOWN_BUTTON, LEFT_BUTTON, RIGHT_BUTTON, START_BUTTON, SELECT_BUTTON, ANALOG_BUTTON};

/* ***************************************************************************************
 *                                         MOTORES                                       *
