Explore the world of MQTT (Message Queuing Telemetry Transport) networking in this comprehensive 51-minute video tutorial. Master the art of publishing and subscribing to messages via an MQTT message broker for remote control and monitoring of various devices, including Arduino, Raspberry Pi, Android, PC, and Wemos D1. Follow along as the instructor demonstrates the installation and setup of the Mosquitto MQTT server on a Windows PC, then guides you through creating clients that subscribe to topics on the MQTT broker. Learn to control these devices by publishing messages using both a command-line PC application and an Android app. Gain hands-on experience with wiring diagrams, code implementations for Arduino Ethernet, Wemos WiFi, and Raspberry Pi MQTT clients, and discover how to use the MQTT Dash Android client. Access additional resources, including wiring diagrams, documentation, and code downloads, to enhance your learning experience.