An alarm system of intelligent infrared detection based on wireless sensor network technology was designed for housing estate.The pyroelectric infrared sensor is used to detect illegal burglary,and then the alarm data is sent to the duty room by wireless sensor network technology.The scheme of system implementation is given.The alarm node,alarm host,alarm server and monitoring software in duty room were designed.Experimental results show that the system is running well,and can realize real-time alarm.
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