Abstract
At present, the utilization rate of small cold storage for fruit and vegetable in Yunnan is low, and it is necessary to carry out regional management of cold storage in order to save energy and improve the utilization rate. Because different fruits and vegetables need different refrigeration temperatures, so real-time temperature and humidity monitoring is particularly important. For meeting this requirement, this paper designs an arduino-based temperature and humidity monitoring system for small cold storage of fruit and vegetable. The system mainly includes hardware and software parts. Handware component includes Arduino Mega2560, ESP8266, Zigbee, DHT11 temperature and humidity sensor, and OLED display and the software component includes the Arduino IDE, UartAssist serial debugging assistant, Lighting. Blinker. Finally, the whole system is tested, and the test results show that the system has the characteristics of remote viewing, high measuring accuracy and convenient use, and the system could meet the needs of temperature and humidity management for small cold storage.
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