是初学单片机的朋友，必看。什么事情都是从零开始，学习也一样。LED闪烁，就是基础中的基础，但又是设计中经常会用到。-Is a novice SCM friends, see. What things are starting from zero, as well as learning. LED scintillation, is the foundation of the foundation, but it is often used in the design of.