/*------------------------------------------------------------------------------------

  版权说明：Copyright 2023 Robottime(Beijing) Technology Co., Ltd. All Rights Reserved.

           Distributed under MIT license.See file LICENSE for detail or copy at

           https://opensource.org/licenses/MIT

           by 机器谱 2023-05-12 https://www.robotway.com/

  ------------------------------*/

#include <Servo.h>

Servo servo;

int i = 0;

void setup() {

  // put your setup code here, to run once:

  servo.attach(4);

   servo.attach(12);

  servo.write(15);

}

void loop() {

  // put your main code here, to run repeatedly:

  for(i = 15; i <=130; i++)

  {

    servo.write(i);

    delay(10);

  }

    for(i = 130; i >=15; i--)

  {

    servo.write(i);

    delay(10);

  }

}