万龙开发板的原理图和pcb图，仅供交流和学习用。

万龙PCB图，该PCB也可以直接制板，加上万龙的原理图，很容易就自制开发板了-Ten thousand long PCB diagram, the PCB can also direct the system board, coupled with schematic diagram of the ten thousand long, it' s easy to self-development board of the