硬件 降压模块
===============
.. raw:: html

   <div style="width: 100%; text-align: center;">
       <video width="100%" controls>
           <source src="https://drestryrobot.oss-cn-shanghai.aliyuncs.com/%E9%99%8D%E5%8E%8B%E6%A8%A1%E5%9D%97.mp4" type="video/mp4">
       </video>
   </div>