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This post will tell you everything you need to know about MQTT communication which will enable you to use it communicate between devices.

This post will tell you everything you need to know about MQTT communication which will enable you to use it communicate between devices. We add an LED to the Arduino Nano 33 IoT board and this LED is controlled remotely from a switch that is connected to a WeMos D1 mini board. All communication occurs through the MQTT broker which also communicates with Home Assistant.

A lot of effort has been put into making the video above as we felt that a video is the best way to understand a topic like this. Please take a moment to watch the video to get a better understanding of MQTT and how we will set up the broker, use it and so on.”

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