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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 2. Creating a Sensor to Measure Ambient Light FREE CHAPTER 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

Adding CoAP to our devices

We are now ready to implement CoAP in our projects. To do this, we create two new projects, which we will call SensorCoap and ActuatorCoap, copying the corresponding code from the Sensor and Actuator projects. If we wish to retain HTTP functionality, we can copy the code from the SensorHttp and ActuatorHttp projects instead. Our devices can support multiple protocols. We use the same hardware as we used in previous chapters. We add the Waher.Networking.CoAP.UWP NuGet package to both projects.

For .NET standard, .NET Core, or traditional .NET Framework projects, you can use the Waher.Networking.CoAP NuGet instead. Universal Windows Platform apps use different libraries and runtime binaries when it comes to accessing network adaptors. For this reason, it requires a somewhat modified version of the original library.

We must also make sure to initialize...

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