In this tutorial you will learn how to get started using MQTT with Node-RED. The IoT is all about interconnecting devices. MQTT is a lightweight publish subscribe based protocol that relays data through a central broker. Terry Orchard will walk you through the following: - How the MQTT model works - What is an MQTT Broker - The advantages and disadvantages of MQTT - How to use MQTT to turn on a digital output - MQTT Node-RED Node Learn more at https://developer.opto22.com https://workshops.opto22.com https://www.opto22.com http://mqtt.org/ http://www.mqttfx.org/ https://nodered.org All Opto 22 products are designed, manufactured, and supported in the U.S.A. from our Temecula, California headquarters and factory.