ST 32位控制原理图及PCB封装图库，希望可以帮到从事电子线路开发的同事。-ST 32 digital control schematics and PCB footprint library, the desire to help my colleagues engaged in the development of electronic circuits.

本资料为本人自己画的zigbee模块的资料，包括原理图、PCb板等-This information is my own painting zigbee module information, including schematics, PCb board