You should have the Raspbian operating system installed in your Raspberry Pi – read Installing Raspbian Lite, Enabling and Connecting with SSH.You should be familiar with the Raspberry Pi – read Getting Started with Raspberry Pi.Note: there’s also a similar tutorial on how to use the ESP8266 and Node-RED with MQTT. So, it receives temperature and humidity readings that can be displayed on a chart or gauge, for example. The Node-RED application is subscribed to those topics. ![]()
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