.. toctree::
   :maxdepth: 3
   :caption: Keyes 4WD麦克纳姆轮小车基于Arduino

   README.md
   docs/资料下载.md
   docs/产品介绍.md
   docs/主板及扩展板介绍.md
   docs/产品安装.md
   docs/Arduino/Arduino.md
   docs/Scratch/Scratch.md
   docs/Mixly/Mixly.md
   docs/FAQ.md