March 2018
Beginner to intermediate
410 pages
10h 40m
English
Content preview from Mastering Internet of Things
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Publishing Information Using MQTT
In the previous chapter, you learned how to create an actuator app that runs on the Raspberry Pi. You also learned how to do basic I/O directly using your Raspberry Pi.
In this chapter, we'll start publishing data we collect on the internet. The first protocol we'll study is the MQTT protocol. This chapter covers:
- An introduction to the MQTT protocol
- The Publish/Subscribe communication pattern
- Connecting to a broker
- Publishing information
- Subscribing to information
- Testing and troubleshooting communication
- Basic security considerations
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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.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
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.