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Part 1–Create an Azure IoT Hub and Device

This is not AX but this was a nice experience. I worked through some labs to interact with Azure IoT Hub.

There is a lot of information out there on the web. So, I will focus on the the IoT Hub only here. On later dates, I may get into the other features of the IoT services in Azure.

Below are the steps to create a device in IoT Hub to get you started. After you have created your device, you can interact with the device in multiple ways.

Go to Azure and Create a new IoT Hub App.

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Enter the required information.

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Now you can Add Devices manually through the Azure Portal. Otherwise, you can use the SDK to add the device via code.

image

Now, I will show how to add the device via C#. Create a new Console project.

Add the reference via NuGet.

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Search for Microsoft.Azure.Devices and Install it.

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Below is the code to copy and paste. Make sure to change the connection string to point it to your IoT Hub.

 using System;  
 using System.Collections.Generic;  
 using System.Linq;  
 using System.Text;  
 using System.Threading.Tasks;  
 using Microsoft.Azure.Devices;  
 using Microsoft.Azure.Devices.Common.Exceptions;  

 
 namespace CreateDeviceIdentity  
 {  
   class Program  
   {  
     static RegistryManager registryManager;  
     static string connectionString = "HostName=DAXIOTHUB.azure-devices.net;SharedAccessKeyName=iothubowner;SharedAccessKey=xxxxxxxx";  
     static void Main(string[] args)  
     {  
       registryManager = RegistryManager.CreateFromConnectionString(connectionString);  
       AddDeviceAsync().Wait();  
       Console.ReadLine();  
     }  
     private async static Task AddDeviceAsync()  
     {  
       string deviceId = "myFirstDevice";  
       Device device;  
       try  
       {  
         device = await registryManager.AddDeviceAsync(new Device(deviceId));  
       }  
       catch (DeviceAlreadyExistsException)  
       {  
         device = await registryManager.GetDeviceAsync(deviceId);  
       }  
       Console.WriteLine("Generated device key: {0}", device.Authentication.SymmetricKey.PrimaryKey);  
     }  
   }  
 }

Credit to Microsoft for the Labs. Lab doc I found was a little old but most of the steps worked.

Reference:

https://azure.microsoft.com/en-us/documentation/articles/iot-hub-csharp-csharp-getstarted/
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