Abstract

The wireless alarm system is controlled by Microcontroller which is used nRF24L01 wireless communication module to build the wireless alarm system in the residential area. The design in the paper realizes a two-way transmission through the wireless communication module and builds the wireless alarm network by the central monitoring room and users. The characteristics of the design are to be the frequency stability, the reception and the emission integration. The users can send the alarm signals through the user sub-machine and then the host-machine receives the signals and displays the user's address and finally sends out a warning. After many experiments, the wireless alarm system designed the paper achieves correctly and completes entirely all the warning in time.

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