This paper studies the design of water-saving irrigation system based on
Internet of things. The structural model of the water-saving irrigation system
was established, and the hardware and software of the control system were
designed, with emphasis on the design and coverage calculation of the sensor
nodes in the wireless sensor network. The wireless network and control system
are tested, including network coverage, network connection, optimal
communication distance and accuracy of data transmission. The experimental
results show that the data transmitted by the wireless sensor is accurate and
reliable, and the software and hardware of the automatic control system can
work normally. The system can carry out intelligent irrigation timely and
accurately.
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