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智能家居中所需控制的家电种类、数量日益增多,同时它们分散于各个房间,这就对控制系统的功能提出了更高的要求。针对这种状况,提出一种基于ARM和无线射频技术的嵌入式智能家居系统,系统以S3C2440处理器作为控制核心,利用GSM模块实现和用户手机通信,以短信方式接收用户控制命令,再将控制信息以射频信号的形式发送到无线通讯节点或智能插座。各通讯节点能够实现对多种红外家电的控制,各智能插座能够实现对多种非红外家电的控制。当对应家电的控制信号发出后,用户将会接收到短信提醒。实验结果表明,各个家电能够响应相应的控制要求。该系统功能多样,控制效果良好,可扩展性强,具有较好的应用前景。
The types of appliances that need to be controlled in a smart home are increasing, and they are dispersed in various rooms, which puts higher demands on the functions of the control system. In view of this situation, this paper proposes an embedded smart home system based on ARM and wireless radio frequency technology. The system uses S3C2440 processor as the control core, uses GSM module to communicate with user handsets, receives user control commands by SMS, and then controls Information is sent as RF signals to wireless communication nodes or smart sockets. Each communication node can realize the control of many kinds of infrared appliances, and each intelligent socket can realize the control of various non-infrared appliances. When the corresponding home appliances control signal is sent, the user will receive SMS alerts. The experimental results show that each appliance can respond to the corresponding control requirements. The system has various functions, good control effect, strong scalability and good application prospect.