| The 21 st century is an era of science and technology.With the development of The Times,the Internet of Things technology has gradually entered people's daily life and work and penetrated into all walks of life,such as smart city,smart agriculture and various smart industries.In order to further promote the development of the Internet of Things and realize the true internet of everything,Huawei,together with the three major operators,took the lead in proposing the embryonic form of NB-IoT narrowband Internet of Things technology,and vigorously developed NB-IoT technology.The advantages of NB-IoT technology,such as wide coverage,low power consumption and low cost,make it widely used in Internet of things scenarios such as smart agriculture.In this paper,NB-IoT technology is used to study the aquaculture environment monitoring system.Firstly,several wireless communication technologies in aquaculture environment are analyzed,and a NB-IoT based monitoring system for aquaculture environment is designed.In this scheme,STM32L431 low-power MCU is used to control the terminal's information collection and switch,and the BC35-G NB-IoT communication module is selected to transmit data between the terminal and OceanConnect platform.The system has realized the terminal connected with platform,completed the aquaculture water quality parameters of upload store,and orders issued by the goal,the aquaculture environment more suitable for the growth of aquatic products,to improve the quality of the output of aquatic products and to maximize the interests of the farmers.Finally,the system is tested.OceanConnect platform can receive and upload data accurately and issue orders to the system terminal.The low power consumption of theterminal is tested,and the feasibility verification of NB-IoT based aquaculture environmental monitoring system is completed,which provides an effective water quality monitoring scheme for aquaculture and has certain practical application value. |
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