Design and Implementation of a Distributed Formaldehyde Detection System Based on ZigBee

In order to avoid the harm to human body caused by multiple formaldehyde detection, a distributed formaldehyde detection system is designed. ZigBee wireless communication technology is used for the networking of the perception layer, multiple terminal nodes are used for formaldehyde detection, the coordinator end is connected to Wi-Fi, and the data is uploaded to the server, the Web end and the APP end through Wi-Fi to display the detection results, and the trend of the monitoring data is counted. The hardware part of the system uses a timer to collect formaldehyde data under the OSAL of each terminal node, and wirelessly sends it to the coordinator. The coordinator sends data to the Wi-Fi module through a serial port, which uses the HTTP protocol to send the data to the backend program of the server and store it in the database.The upper computer software of the system adopts a front-end and back-end separation technology: the front-end is designed and implemented using VUE, the element UI is used for interface interaction assistance, the back-end is designed and implemented using the SpringBoot framework for server design, and the database uses MySQl relational database to store data.The distributed system design can detect multiple rooms at the same time, and the deployment can complete the detection for a long time without the participation of the detection personnel.