很多人学习单片机很久，但是效果不显著，主要是没有自己做实验，单片机只有在动手后才能很好的提高，本文件提供了典型的实验和讲解，能够帮助到单片机学者-Many people learn microcontroller long time, but the effect is not significant, mainly for failure to do their own experiments, the microcontroller only in the hands only after