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Abstract According to the demand of greenhouse monitoring and the existing problems of greenhouse monitoring system, a multi-point wireless monitoring system for greenhouse based on LoRa was proposed. The system was made of a wireless greenhouse monitoring device based on LoRa and upper computer software. The greenhouse wireless monitoring device based on LoRa realized the functions of temperature and humidity acquisition, illumination acquisition, LCD display and LoRa communication and so on. The upper computer software realized the functions of user login, greenhouse environment state real-time display, historical monitoring data query and user information management and so on. The communication between the greenhouse monitoring device and the upper computer software was carried out by LoRa wireless technology. The system application and analysis results showed that the designed system could effectively realize multi-point wireless monitoring of greenhouse, and the operation effect was good.
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Received: 18 September 2020
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2020, Vol. 33 
