Azure AD is not returning token : Unknown Host Error
I am trying to grant access to IoT Hub based on Azure AD. But when I try to get token, it is throwing this error in Postman ####### Update ###### I have already created the Application in Azure AD
How to connect LoRaWAN gateway to Azure IoT (Edge) Hub?
I'm trying to build a LoRaWAN Infrastructure using the Azure IoT Hub. For that I have set up an Azure IoT Edge on a virtual machine. I want to connect gateways to that IoT Edge. How can I achieve this?…
Visual Studio Code – Options to generate per-device SAS tokens
I am going through the following article: https://learn.microsoft.com/en-us/azure/iot-hub/iot-hub-dev-guide-sas?tabs=node#sas-tokens ... and I understand that I have the following options to generate a per device SAS token: Azure CLI: https://learn.microsoft.com/en-us/cli/azure/iot/hub?view=azure-cli-latest#az-iot-hub-generate-sas-token Azure IoT tools for Visual Studio Code: https://marketplace.visualstudio.com/items?itemName=vsciot-vscode.azure-iot-tools Other than above two…
Azure – How to access variable from the while loop in the function to the outside the function in C#?
I am sending telemetry(data) from simulator device to Azure IoT Hub and receiving that telemetry into this code. namespace CentralSystem { internal class Program { static readonly string connectionString = "IoT Hub Connection string here"; static readonly string iotHubD2cEndpoint =…
Create a device in Azure IoT Hub by Terraform
I am trying to automate setting up of IoT Hub. But I am not able to find any code related to creating a device in the IoT Hub. I found the below command: resource “azurerm_iothub_device” “example” { name = “device_name”…
Azure – Routing IoTHub device telemetry messages to storage account and Power BI
I am attempting to route device telemetry data for a device connected to Azure IoTHub. I have defined the custom endpoint in message routing to a storage account with the Encoding format set to JSON and routing query set to…
Azure – IoT Edge module fails to send a message to edgeHub with 400 error after updating IoT Edge runtime to version 1.3.0
Observed Behaviour: Custom IoT Edge module failed to send message to the edge hub with a 400 "missing request body" error. The IoT Edge daemon prints the following message to the logs: Jul 13 16:43:34 kalki-VirtualBox aziot-edged[8415]: 2022-07-13T11:13:34Z [INFO] -…
How do you publish telemetry from Azure IoT Hub to a MQTT topic?
I am trying to publish some sensor data from an IoT device which, I have set up in Azure IoT hub, to a MQTT topic. I have found this but I haven't had any success following it. I have also…
How to create alert on the azure iot device on disconnect status
I have many azure IOT central devices among them 2 of the devices are getting disconnected frequently, But could someone please tell me if there is a way to create a genuine alert if event_status is disconnected for more than…
Getting device twin in C Sdk – Azure IoT Hub
Is there a way to get the device twin of a device from Azure IoT-Hub, using Azure SDK for C? As far as I know, I am able to get the device twin using the Azure SDK for NodeJS. In…