The aim of the study is to design the farm environmental monitoring system based on the Internet of Things (IoT) and to solve the problems of large area, too many monitoring points and long lasting time period in traditional farmland environment monitoring. Consisting of sensing layer, transport layer and application layer, the system developed the wireless sensor network node cored with Free scale MC9S12XS128 microprocessor and the hardware circuit with solar energy self-powered module, agreed the communication protocol between the application layer and the sensing layer, compiled the bottom monitoring and communication software of the coordinator and router as well as the management software for the application layer and tested the communication reliability between the application layer and sensing layer of singular point and multiple points. The test results showed that the IoT-based farmland environment monitoring could operate stably and it was safe and reliable, providing references for scientific cultivation and management.
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