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 2023-05-15 https://www.robotway.com/

  ------------------------------*/

#include <Servo.h>

Servo servo_pin_4;

void setup()

{

  servo_pin_4.attach(4);

}

void loop()

{

  servo_pin_4.write( 90 );

  //delay( 500 );

  servo_pin_4.write( 50 );

  delay( 500 );

  servo_pin_4.write( 90 );

// delay( 500 );

  servo_pin_4.write( 130 );

  delay( 500 );

}