In the article, it gives the software design of each hardware module in the system, and narrates the software flow plan of supervisor, entrance machine and resident machine in detail.
文中给出了系统中各个硬件模块相应的软件设计，详细论述了管理机、门口机以及住户分机对应的软件流程策划方案。
Visual-speaking system based on AT89S51 is introduced in this paper. The structure and function of entrance machine, resident machine and supervisor are analysed.
该文介绍了一种基于单片机AT89S51的可视对讲系统，分析了门口机、室内机、管理机的原理和功能。
Visual-speaking system based on AT89S51 is introduced in this paper. The structure and function of entrance machine, resident machine and supervisor are analysed.
该文介绍了一种基于单片机AT89S51的可视对讲系统，分析了门口机、室内机、管理机的原理和功能。
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