The basic principle and block diagram of the intelligent wireless anti-theft system are systematically introduced, and the receiving method of the telephone network is described in detail; the circuits of pyroelectric infrared sensors and voice are discussed, and some basic circuits and software processes are given. Keywords: wireless anti-theft alarm pyroelectric infrared sensor With the promotion of the construction of national intelligent communities, anti-theft systems have become necessary equipment for intelligent communities. This paper uses single-chip control technology and wireless network technology to develop an intelligent wireless anti-theft system with networking function, and develops related sensors. The wireless data transmission method does not require rewiring, which is particularly suitable for users who have already renovated and occasions where wiring is inconvenient.
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