.. toctree::
   :maxdepth: 3
   :caption: KD3023 Kidsbits STEM Electronic Building Blocks Smart Fan Kit

   README.md
   docs/index.md
   docs/1.kidsuno/Smart Fan_kidsuno.md
   docs/2.kidsIOT/Smart Fan_kidsIOT.md
   docs/3.kidspico/Smart Fan_kidspico.md