The creation of a complete Internet of Things system involves knowledge of multiple discipline systems, which is relatively complex. In response to this situation, this article introduces a safe and efficient IoT system construction process. First, it uses Wi-Fi technology for data transmission, and sends data collected by sensors to EMQX running on a cloud server through a wireless network. In order to have a flexible processing of the data, we use the Spring Boot framework to develop a Java backend, run the RabbitMq message queue to receive and process the EMQX data, and save it to the Mysql database. In addition, use the Vue front-end framework to develop web applications to realize remote real-time monitoring of data.
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