硬件设计主要围绕控制核心DSP展开，包括传感器信号的接入，数据输出通道设计以及CAN通信模块设计。

Hardware design is based on the main control DSP core, including designs of sensor signals collection, data output channel and CAN communication module.

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单片机充当了接入模块的控制核心，并首次提出了通用接入模块的概念，将各种传感器和开关接入家庭网络。

Single chip serves as control core of access module. For the first time, this paper proposes concept of universal access module which used to integrate various sensors and switches into home network.

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