单片机控制的智能密码锁，我自己做的一个实验，希望对大家学习有用。
SCM smart locks, I have to do an experiment, and they hope to learn useful to everyone.
指令系统是CPU的重要性能指标，掌握指令系统是学习单片机及进行单片机开发设计的基础。
Instruction system is an important performance guideline of CPU, grasping instruction system is the base of learning single chip computer and using single chip computer to develop and design.
掌握单片机技术是一门不可或缺的技术，对我们将来的工作以及生活和学习都有很密切的联系。
Master microcontroller technology is one of the indispensable to our future technology, the work and the life and learning are very close connection.
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