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Azure IoT Development Cookbook

You're reading from   Azure IoT Development Cookbook Develop and manage robust IoT solutions

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Product type Paperback
Published in Aug 2017
Publisher Packt
ISBN-13 9781787283008
Length 254 pages
Edition 1st Edition
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Author (1):
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Yatish Patil Yatish Patil
Author Profile Icon Yatish Patil
Yatish Patil
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Toc

Table of Contents (10) Chapters Close

Preface 1. Getting Started with the Azure IoT Platform FREE CHAPTER 2. Introducing Device Management 3. IoT Hub Messaging and Commands 4. Azure IoT Communication Protocols 5. Azure IoT Hub Security and Best Practices 6. IoT Suite and Pre-Configured Solutions 7. Azure IoT Analytics 8. Using Real Devices to Connect and Implement Azure IoT Hub 9. Managing the Azure IoT Hub

Device twins

Firstly, we need to understand what a device twin is. We will be following some steps to use a device twin to understand their purpose and where we can use the device twin in any IoT solution. The device twin is a JSON formatted document that describes the metadata, properties of any device created within IoT Hub. It describes the individual device specific information.

The device twin is made up of: tags, desired properties, and reported properties. The operations that can be done on an IoT device is to update the data or query for any IoT device. this feature can be built into the IoT Solution from where a Administrator user can initiate these.

Tags hold the device metadata that can be accessed from an IoT solution only. The desired properties are set from the IoT solution and can be accessed on the device. Whereas the reported properties are set on the device and...

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