.. toctree::
   :maxdepth: 3
   :caption: KE3045 Keyes Arduino青蛙机器人双足舞蹈步行

   README.md
   docs/Arduino教程/1.产品介绍.md
   docs/USB驱动安装/2.USB驱动安装(选读).md
   docs/3.APP下载安装说明.md
   docs/Arduino教程/4.Arduino教程.md
   docs/Mixly教程/5.Mixly教程.md
   docs/常见问题解答和资料链接.md