.. toctree::
   :maxdepth: 3
   :caption: Microbit扩展板

   KE0119 Keyes micro_bit T型扩展板.md
   KE0120 Keyes micro_bit 原型扩展板V1含小面包板.md
   KE0121 Keyes micro_bit 传感器扩展板.md
   KE0135 Keyes micro_bit 原型扩展板 V2.md
   KE0136 Keyes micro_bit 电机驱动扩展板.md
   KE0137 Keyes micro_bit 继电器扩展板.md
   KE0138 Keyes micro_bit 电源供应扩展板.md
   KE0139 Keyes micro_bit 传感器V2扩展板.md
   KE0140 Keyes micro_bit 摇杆扩展板.md
   KE0141 Keyes micro_bit Breakout 扩展板.md
   KE0149 Keyes micro_bit GPIO T型扩展板.md