Azure Digital Twins
An Azure platform that is used to create digital representations of real-world things, places, business processes, and people.
220 questions
1 answer
One of the answers was accepted by the question author.
How to update a digital twin object property using Azure Service Bus queue data from an Iot Central device
Hi, i'm trying to write C# code to update a digital twin object property using Azure Service Bus queue data from an Iot Central device that sends telemetry. Azure Service Bus queue works fine and correctly receives telemetry data from an Iot Central…
2 answers
One of the answers was accepted by the question author.
Does IoT Central support the new Azure Device Update for IoT Hub?
Azure Device Update for IoT Hub was recently released for preview. Can this service be used with IoT Central? Currently updating devices with a writeable property for OTA URL and then commands to download and install, but would love to tie in wiht…
asked 2021-03-29T17:18:30.913+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(64, 93%, 16%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EDW%3C/text%3E%3C/svg%3E)
Darren Wainwright
56
Reputation points
edited the question 2023-05-26T15:58:40.9733333+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(54.400000000000006, 38%, 15%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EQ%3C/text%3E%3C/svg%3E)
QuantumCache
20,031
Reputation points
1 answer
New to IoTC, how to bulk activate devices in PowerShell?
Hi all! So I have just started messing around with IoTC (literally just today, so apologies if this is a newb question), and I have constructed/imported myriad test devices (using the plug and play thermometer template), however I am unsure how to bulk…
asked 2023-05-16T22:01:56.32+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(214.4, 19%, 30%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EJH%3C/text%3E%3C/svg%3E)
James Heffers
0
Reputation points
commented 2023-05-26T15:16:43.6066667+00:00
LeelaRajeshSayana-MSFT
13,471
Reputation points
2 answers
One of the answers was accepted by the question author.
IoT Central Rest Api Add/Update Device w/deviceTemplate returning 400 Bad Request
I'm going to go ahead and link the github issue I created. I closed the issue there and am moving it here because I'm not sure if its specific to me, or if the docs are incorrect. Please see this link: …
asked 2023-05-25T17:00:01.61+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(278.4, 92%, 36%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EW%3C/text%3E%3C/svg%3E)
waiiki
20
Reputation points
commented 2023-05-26T13:40:43.15+00:00
LeelaRajeshSayana-MSFT
13,471
Reputation points
3 answers
One of the answers was accepted by the question author.
[IoT Central] Best way to send telemetry data from Flutter application
Hi, We plan to develop a Flutter application sending telemetry to a IoT Central application. This app should be compatible for Android and iOS. I can see on the documentation that the Microsoft Azure IoT SDK does exist in C, C#, Java, JavaScript &…
asked 2023-05-12T14:21:35.7366667+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(163.2, 94%, 25%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EJK%3C/text%3E%3C/svg%3E)
Julien KERN
25
Reputation points
edited a comment 2023-05-22T17:18:33.35+00:00
Roman Kiss
2,241
Reputation points
1 answer
One of the answers was accepted by the question author.
Query execution request failed. Dataset not found. Error in IotCentral Devices
Hi, since this afternoon I can no longer access my devices in Iot Central! i always receive the folowing error for each device: Query execution request failed. Dataset not found. Error code: 404.046.002.002 / s62nvvl4sy.6 Query execution request failed.…
1 answer
IoT Central shows - Query execution request failed. Dataset not found.
Hi there! I recently implemented IoT Central application. After week or so data on the dashboard has vanished with error - 'No data found. Check your device or network connection, and make sure you are part of the device's org'. I cant see any devices.…
asked 2023-05-18T04:31:36.7+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(163.2, 97%, 25%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EAA%3C/text%3E%3C/svg%3E)
Ashish Andhari
30
Reputation points
edited an answer 2023-05-18T23:39:34.86+00:00
LeelaRajeshSayana-MSFT
13,471
Reputation points
1 answer
One of the answers was accepted by the question author.
How to generate custom telemetry string data for a simulated device sensor in IoT Central and in ADT
Hi, i configured some devices in Iot Central from device templates in Iot Central to simulate rfid physical devices in smart library. An example: [ { "@id":…
1 answer
Azure IoT Central and ESP32
I am having an issue with connecting my ESP32 to my Azure IoT Central. Here are the steps that I followed. Please note that any names, device ids, etc are changed in this post: created an Azure IoT Central App using the following Guides:…
asked 2023-04-14T22:17:57.81+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(128, 8%, 22%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EA%3C/text%3E%3C/svg%3E)
Anonymous
commented 2023-05-09T19:06:06.18+00:00
LeelaRajeshSayana-MSFT
13,471
Reputation points
2 answers
One of the answers was accepted by the question author.
How to define an actuator model for a device and using in Azure Iot Central
Hi, i'm not sure if i'm following a corret strategy to implement an actutator for my project: this is not very clear in Microsoft documentation: i defined the following model to command a device (starting from library rfid ontology i defined..) [ { …
1 answer
One of the answers was accepted by the question author.
How do I send data from Azure IoT Central to Azure SQL without Stream Analytics?
In reference to this Stack Overflow question: https://stackoverflow.com/questions/55062045/azure-stream-analytics-job-expensive-for-small-data Stream Analytics seems incredibly expensive for sending small batches of data every so often, and looks like…
asked 2023-03-29T06:21:47.01+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(60.8, 26%, 15%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EJQ%3C/text%3E%3C/svg%3E)
Joshua Qin
71
Reputation points
accepted 2023-04-29T16:46:39.8633333+00:00
Joshua Qin
71
Reputation points
1 answer
Can I Create link with iot central dashboard
I would like to share my dashboard with others, but I cannot find any information on how to create a shareable link. Could you please let me know if it's possible to generate a share link?
asked 2023-04-22T05:27:49.1933333+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(35.2, 95%, 13%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EE%3C/text%3E%3C/svg%3E)
Eric
0
Reputation points
commented 2023-04-26T13:42:26.5166667+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(214.4, 74%, 30%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EAM%3C/text%3E%3C/svg%3E)
AshokPeddakotla-MSFT
27,571
Reputation points
2 answers
Device is unable to be provisioned and no error is returned
Hi, We have a device that's using the TPM attestion to connect to IoT Central and it's unable to be provisioned. When we check the logs no error code is returned and the device is never assigned to a hub. Is there a way to troubleshoot this issue?
asked 2023-03-30T15:40:25.41+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(211.20000000000002, 11%, 30%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EAB%3C/text%3E%3C/svg%3E)
Andrew Batta
21
Reputation points
edited a comment 2023-04-13T14:10:32.53+00:00
LeelaRajeshSayana-MSFT
13,471
Reputation points
1 answer
One of the answers was accepted by the question author.
IoT Hub and IoT Hub Device Provisioning Service are updating their TLS certificates with a new Microsoft certification authority chained under a new certification authority root - DigiCert Global Root G2. You
Hello; in my central iot application I don’t see the sensor data displayed in my dashboard, maybe the following error message is the cause: IoT Hub and the IoT Hub Device Provisioning Service update their TLS certificates with a new Microsoft…
asked 2023-04-04T23:30:14.1+00:00
ESSOUABNI MOHAMMED
20
Reputation points
commented 2023-04-06T11:54:55.84+00:00
ESSOUABNI MOHAMMED
20
Reputation points
1 answer
Azure IoT central device cannot connect to MQTT after several days of working
I was testing 1 IoT central devices over the weekend, from 3/31 19:00 KST, and another for more than 10 days, but I found that they are both disconnected since 4/1 05:34AM KST and 4/1 05:05AM KST. One of them shows error as follows. 2023/4/4 11:13:47…
asked 2023-04-04T02:30:59.6566667+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(76.8, 78%, 17%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ECP%3C/text%3E%3C/svg%3E)
Casey Park
20
Reputation points
commented 2023-04-05T04:28:21.8666667+00:00
Casey Park
20
Reputation points
2 answers
Send command to a device from other application
I would like to know if is possible to send commands to a device from other solution, for example to send a command to activate a toggle led to device from Power BI or other application instead of azure iot central.
asked 2023-03-29T21:54:02.1433333+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(310.4, 87%, 40%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ELM%3C/text%3E%3C/svg%3E)
Lucas Medina
20
Reputation points
commented 2023-03-30T19:43:48.9266667+00:00
LeelaRajeshSayana-MSFT
13,471
Reputation points
2 answers
How to implement an actuator capability of a device in a digital twin and simulate behavior depending on event
Hi, i need more insight on digital twins implementation of devices that have ACTUATOR capability with special referent to ingress and egress flow and azure services. Specifically, in my digital twin project related to a rfid system for a public library,…
asked 2023-03-09T12:24:25.62+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(278.4, 5%, 36%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EG%3C/text%3E%3C/svg%3E)
GuidoL
310
Reputation points
commented 2023-03-14T15:41:54.82+00:00
QuantumCache
20,031
Reputation points
1 answer
Change color of pin in azure map
After adding map tile, how to change default blue color of location pin
asked 2021-09-04T17:27:32.307+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(304, 43%, 39%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EAL%3C/text%3E%3C/svg%3E)
aswin l
11
Reputation points
commented 2023-03-13T23:06:11.97+00:00
Jaime González-Arintero
30
Reputation points
2 answers
How to view IoT central dashboard from mobile
I have created a custom IoT Central application, added device templates and also custom IoT devices that sends various telemetry data to Azure. Next I created a nice dashboard. Maybe a silly question, but I am just wondering what is the best way view…
asked 2023-02-20T23:58:30.77+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(176, 74%, 27%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ELF%3C/text%3E%3C/svg%3E)
Laszlo Frank
46
Reputation points
commented 2023-03-13T21:13:18.61+00:00
LeelaRajeshSayana-MSFT
13,471
Reputation points
0 answers
Rfid reader-writer component as capability sensor in real estate ontology for a smart library digital twin
Hi, i'm implementing an ontology for a Digital twins project related to a rfid system for a public library. I'm following the the open-source Smart Building RealEstateCore ontology as model for smart library; i think it'a great model that complies with…