October 2019
Intermediate to advanced
350 pages
9h 5m
English
Content preview from Hands-On Internet of Things with MQTT
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Summary
In this chapter, we had a look at MQTT—the IoT protocol—which we will use to build the projects in the hands-on part of this book. It is a lightweight protocol, which is especially suitable for the communication of restricted devices, either because of processing power, network bandwidth, or battery power, and therefore, it is a perfect fit for the projects that we are about to build.
MQTT is based on the publish and subscribe pattern. Each message is published to a topic, which can be compared to the categories in a newspaper. A subscriber can subscribe to this information in order to receive updates about it, "I only want to get updates on foreign affairs and cultural news, but don't care about sports."
We also learned that a single ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.