通信 CAN通信
===============
.. raw:: html

   <div style="width: 100%; text-align: center;">
       <video width="100%" controls>
           <source src="https://drestryrobot.oss-cn-shanghai.aliyuncs.com/CAN%E9%80%9A%E4%BF%A1.mp4" type="video/mp4">
       </video>
   </div>