I do intelligent household security system by gas sensor, infrared sensor, televox body sensor, door magnetic switch components.

我所做的智能家居安防系统由煤气传感器，人体红外传感器，声控传感器，门磁开关等部分组成。

youdao

I do intelligent household security system by gas sensor, infrared sensor, televox body sensor, door magnetic switch components.

我所做的智能家居安防系统由煤气传感器，人体红外传感器，声控传感器，门磁开关等部分组成。

youdao