本文阐述I2C总线的工作原理与特点，介绍了在硬件系统设计中使用I2C总线技术的优点。
This paper present the theory and peculiarity of I2C Bus, it is introduces the merit of that I2C technique used in the hardware design.
介绍了高温空气发生器的工作原理与特点，提出了采用可编程序控制器(PLC)控制四通阀周期切换的控制方案。
The principle and characteristics of the high temperature air generator is introduced. The PLC control project of periodical shift of the cross valve is expounded.
文章对系统的工作原理与性能特点进行了分析和说明。
Work principle and performance characteristics of the system are analyzed and described in the article.
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