Design of warehouse monitoring system based on Internet of Things

Food quality and safety has now become a global problem. Products traceability system helps to find the factors affecting products quality in time and reduce losses when products quality problems are found. Warehousing is an important part of products traceability system, and its storage environment directly affects the quality of products. A warehouse monitoring system based on the internet of things is presented in this paper, which is composed of STM32 microcontroller, temperature and humidity sensor, Wi-Fi module, RFID skimmer, alarm circuit, OLED display and Aliyun platform. The temperature and humidity of the storage environment and the information that products are discharged from warehouse and warehousing are captured through the temperature and humidity sensor and RFID skimmer, and then the collected information are sent to the Aliyun platform. When the temperature or humidity exceeds the threshold, the system will automatically give an alert. This system lays the foundation for the products traceability system.