April 2017
Intermediate to advanced
280 pages
6h 18m
English
Content preview from MQTT Essentials - A Lightweight IoT ProtocolBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Chapter 3. Controlling a Drone with Python
In this chapter, we will write Python code to control a drone with MQTT messages. We will write code that will be able to run on different popular IoT platforms. We will:
- Understand the requirements to control a drone with MQTT
- Define the topics and commands to control a drone
- Install paho-mqtt for Python
- Connect the client to the MQTT server with Python
- Understand callbacks
- Subscribe to topics with Python
- Create a class to represent a drone
- Receive messages with Python
- Process commands with Python
- Work with the network loop with Python
- Send messages with Python
Understanding the requirements to control a drone with MQTT
In the previous chapters, we learned how MQTT works in detail. We understood how to establish ...
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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.