MQTT Publish and Subscribe Using Node Red

In this video tutorial we will look at using and configuring the MQTT publish and subscribe nodes. The flow will demo publishing messages and subscribing to topics and receiving messages. We look at the main settings like birth and will messages,SSL security and user name and password. We also look at creating new broker connections using different clients using different client ids. Understand that MQTT publish and subscribe nodes share connection information and why you should be aware of this when editing MQTT nodes. Finally we create a very simple open/closed sensor that you can use for testing. Tutorial on Website https://stevesnoderedguide.com/configuring-the-mqtt-publish-node If you are unfamiliar with MQTT hen see my other site http://www.steves-internet-guide.com/mqtt-works/ Other videos How MQTT works https://youtu.be/2aHV2Fn0I60?si=csj8sO-g7e_TImuB Creating a Simple Controllable MQTT Sensor With Node-Red https://youtu.be/ds-AssFu99Q The Node-Red Message Object for Beginners https://youtu.be/y05vQUIMIxs ------------ Create a Node Red Basic Flow - MQTT Subscribe Example https://youtu.be/eZUSQ1y6kSM --------------------------------- How to Create a Node-Red MQTT Dashboard https://youtu.be/Gu0Vq2kVNzw --------------------------- How to Store Data In Node Red Variables https://youtu.be/kNfP1vw2Img Have a question Use the comments or if you want help then use http://www.steves-internet-guide.com/ask-steve/ If you find these videos useful then you might want to consider buying me a coffee https://www.paypal.me/StepenCope