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Questions tagged [azure-digital-twins]

online service to create cloud enabled storage and analytic apps for IoT data

Provide extensible "object models" and after you have fit to it analytical dashboard.

https://azure.microsoft.com/en-us/services/digital-twins/

105 questions
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Durable Entity function doesn't trigger or receive data from streaming analytics

The durable entity function I've setup as output for a streaming analytics job doesn't trigger or receive any data. I can see incoming input data in the stream analytics job and it outputs to store the data correctly (for a stream analytics job…
Sergio Solorzano
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Azure Digital Twins <---> The Things Network (2 way communication)

I am working on a project that requires two-way communication between Azure Digital twins and the Things Network. Right now I am able to connect my AZDT to the TTN via an IoT HUB to update the twin with "read variables" for example I have a CO2…
Ricardo de Castro
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Cannot deploy Azure backend resources in ADTLink for Unreal Engine Sample

I was testing the sample project demonstrating the Unreal Engine plug-in for Azure Digital Twins but I have a problem. In step 1 at the time of deploying the Azure resources it generates several errors and does not create the resource group. Could…
Altair
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Azure CLI command not returning GUID values for a variable

I am trying to follow a MSFT documentation tutorial (https://learn.microsoft.com/en-us/training/modules/connect-iot-hololens-azure-digital-twins-unity/5-exercise-create-deploy-arm-template) . But I am stuck on the below command where I am not able…
Aniruddhya Dutta
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Azure IoT Explorer does not recognize the device as a IoT Plug and Play device

After creating an Azure IoT hub and the digital twin resource with the same DTDL model as that inputed in Azure IoT Explorer, the Explorer says device is not recognized as IoT P&P device. DTDL Model validates with DTDLValidator What am I missing, I…
Sergio Solorzano
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How to send Azure IoT Central data to Azure Digital Twin - Data ingestion workflow

for a demo, I would like to send data from Azure IoT Central to Azure Digital Twins similar to what I was able to successfully implement in the following scenario described here…
Init5
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Azure device twin not updating property received by IoT Hub

the property ledState property does not update for the digital twin when a button is pressed and the device sends the packet patch to IoT Hub for property LedState to true or false. Device sends packet (MQTT function…
Sergio Solorzano
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How to change the dtid of the Twin in Azure Data Twin Explorer

How to change the dtid of the Twin in Azure Data Twin Explorer
Bharath
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unity not receive signalr broadcast

This digital twins example works fine for me but when I adapt it to an IoT device (mxchip), the Unity signalr client does not receive broadcast messages. The only change to the example is that I sent actual IoT data instead of running the example's…
Sergio Solorzano
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Create custom metadata field in Azure Digital Twins

I would like to create a custom Metadata field $frq, similar to the $model field for my digital twins. I can create a CustomDigitalTwin class in C#, there is no error when trying to create the twin with the DigitalTwins.Core SDK. However, it doesn't…
Raphael Springer
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Azure Digital twins - Twin to Twin update

first of all, I'd like to make it clear I have no experience at all with C#, so it might be the case that this is a very trivial question. I am trying to follow this tutorial:…
Ricardo de Castro
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Azure IoT Central device template issue

I`m trying to get data from meters through "TheThingsNetwork". To analyse my data, i would like to see them in MS Azure IoT Central. The meters are sending their payload to my ToT Central application. When i try to build an automatic device…
Lolle953
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Common Digital Twin Model for Twins with different properties

In our factory environment, we have multiple IoT Devices (Machines, Sensors, etc.) that send different metrics. Also among machines and sensors, these types of metrics can differ. I want a system where the digital twins for these devices are created…
Raphael Springer
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Azure Digital Twin Query API - Dulicate Results

I'm querying an Azure Digital Twin instance using the query API, which is fine, it authenticates, and I can get results back. The issue I'm having is when I need to make a subsequent API call with the continuation token. The call works, and I'm…
daz-fuller
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Azure IOT HUB data to Azure Digital Twin - data ingestion workflow

is anyone aware of a tutorial to create a workflow where I can send data from an IOT HUB device to an Azure DT instance using Python instead of C# ? all the material I find is in C# and I have no experience with the language thanks
Ricardo de Castro
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