完成对STM32系列芯片的主干部分的讲解，并以大量的资料、实例加深读者的理解，使得读者真正的达到掌握STM32系列芯片的基本使用且利用这种学习方式触类旁通的学会更多的微控制器。-The completion of the STM32 series of the main part of the chip to explain, and a lot of information, examples to deepen the reader s understanding, making the reader really master the basic use of STM32 series chips and use this learning way to learn by class more microcontrollers