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Mastering Internet of Things

You're reading from   Mastering Internet of Things Design and create your own IoT applications using Raspberry Pi 3

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Product type Paperback
Published in Mar 2018
Publisher Packt
ISBN-13 9781788397483
Length 410 pages
Edition 1st Edition
Concepts
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Author (1):
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Peter Waher Peter Waher
Author Profile Icon Peter Waher
Peter Waher
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Toc

Table of Contents (18) Chapters Close

Preface 1. Preparing Our First Raspberry Pi Project FREE CHAPTER 2. Creating a Sensor to Measure Ambient Light 3. Creating an Actuator for Controlling Illumination 4. Publishing Information Using MQTT 5. Publishing Data Using HTTP 6. Creating Web Pages for Your Devices 7. Communicating More Efficiently Using CoAP 8. Interoperability 9. Social Interaction with Your Devices Using XMPP 10. The Controller 11. Product Life Cycle 12. Concentrators and Bridges 13. Using an Internet of Things Service Platform 14. IoT Harmonization 15. Security for the Internet of Things 16. Privacy 17. Other Books You May Enjoy

Registering our devices

Before we create a controller, we need to update our sensor and actuator projects. They need to search their brokers for available thing registries and register themselves with them. Since the process is the same for both the sensor and the actuator, only changes to the sensor project will be presented here.

A thing registry client is made available in the Waher.Networking.Provisioning NuGet (or the Waher.Networking.Provisioning.UWP NuGet). It ties into the other XMPP libraries presented so far. We begin by defining a variable for it:

private ThingRegistryClient registryClient = null; 

Once the XMPP client establishes a connection, we call a new method called RegisterDevice. We will define this function to be asynchronous:

Task.Run(this.RegisterDevice); 

Or:

await this.RegisterDevice(); 
...
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