个人觉得最最经典的STM32系列的硬件原理图。非常值得收藏。-Personally feel that far the most classic of the STM32 family of hardware schematics. Very worthwhile collection.

STM32F的 原理图器件库 PCB封装库,不多说了，为STM初学者提供方便-STM32F PCB schematic library components library package, not much to say, for beginners to facilitate STM