MQTT protocol realizes remote data collection and control of Android mobile phones

Components

Hardware components

Project description

The design uses STM32F405 as the main control chip, and publishes it to the MQTT server in the MQTT protocol through the W5500 module, and finally realizes data collection and control on the mobile phone client. The main function: 1. STM32F405 is the main control chip, which collects environmental data through sensors, such as temperature, humidity, illuminance, atmospheric pressure, etc.; 2. The main control chip publishes the measured data to the MQTT server through the MQTT protocol through the W5500 module (see the firmware program for the server domain name and IP); 3. The master…

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