This design successfully transplanted the FreeRTOS operating system, emWin graphical user interface, FatFs file management system to the host. The hardware selection and software development of the system have selected the optimal plan, and the system has been tested through functional and performance tests. The temperature accuracy of this environmental monitoring system is less than ± 0.3 ℃, and the humidity accuracy is less than ± 3% RH, which fulfills the measurement accuracy requirements of the task.
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