MQTT Deep Dive: With Berries, Morse and a Drone [zero PowerPoint]
summary
A practical deep dive into the MQTT protocol: its lightweight, pragmatic design for IoT and how it works at the message/queue level (publishing, waiting in queues, delivery semantics). Demonstrations include live volunteer-driven examples, small hardware (“cacharros”), a drone black box, and implementing IoT interactions using plain shell scripts rather than Node.js or JavaScript.
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chapters (11)
- 0:00Introduction
- 2:55Why things fail
- 9:45MQTT origin and design
- 15:05MQTT message types
- 19:03MQTT connection and binary protocol
- 25:45Morse and MQTT experiment
- 33:28MQTT quality of service
- 38:48MQTT last will
- 43:07MQTT for tiny devices
- 47:28Drone demo with MQTT
- 51:44Summary
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