IoT & Hardware
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You're reading from  The Azure IoT Handbook

Product typeBook
Published inDec 2023
PublisherPackt
ISBN-139781837633616
Edition1st Edition
Concepts
IoT Development
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Author (1)
Dan Clark
Dan Clark
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Dan Clark

Dan Clark is a senior developer and data engineer specializing in Microsoft technologies. He is focused on learning new AI and data technologies and training others on how to best implement those technologies. He has worked as an Azure Technical Trainer (ATT)for Microsoft and has over 25 years of experience as a Microsoft Certified Trainer. Dan has published several books and numerous articles on Microsoft technologies. He is a regular speaker at various developer and database conferences and user group meetings and enjoys interacting with the Microsoft communities.
Read more about Dan Clark

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Communicating with IoT devices

There are several different ways you can communicate with your IoT devices. This includes device-to-cloud messages, cloud-to-device messages, file upload notifications, direct method invocation, and operation monitoring events.

Device-to-cloud messaging

We can use the Microsoft.Azure.Devices.Client SDK to create a simulated device. On the device, you will need to install an IoT device SDK and use it to establish a connection to IoT Hub using the connection string you obtained when you registered the device in IoT Hub.

The following code block shows some sample code in Python that demonstrates how to connect a device to IoT Hub using the Azure IoT device SDK:

import os
from azure.iot.device import IoTHubDeviceClient
# Connection string for the device
CONNECTION_STRING = "<your device connection string>"
# Connect to IoT Hub
client = IoTHubDeviceClient.create_from_connection_string(CONNECTION_STRING)
client.connect()
# Send a...
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The Azure IoT Handbook
Published in: Dec 2023Publisher: PacktISBN-13: 9781837633616
© 2023 Packt Publishing Limited All Rights Reserved

Author (1)

author image
Dan Clark

Dan Clark is a senior developer and data engineer specializing in Microsoft technologies. He is focused on learning new AI and data technologies and training others on how to best implement those technologies. He has worked as an Azure Technical Trainer (ATT)for Microsoft and has over 25 years of experience as a Microsoft Certified Trainer. Dan has published several books and numerous articles on Microsoft technologies. He is a regular speaker at various developer and database conferences and user group meetings and enjoys interacting with the Microsoft communities.
Read more about Dan Clark

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