Azure IoT Hub
An Azure service that enables bidirectional communication between internet of things (IoT) devices and applications.
1,115 questions
1 answer
One of the answers was accepted by the question author.
How to update device twin by mqtt client
I am going to communicate with IOT hub device twin with mqtt.fx and wondering: -what's the topics that I can publish to or subscribe from device twin? -what's the payload like? Thanks for your kind support.
asked 2022-10-25T01:56:53.38+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(288, 27%, 37%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ECB%3C/text%3E%3C/svg%3E)
Chen, Bo
21
Reputation points
commented 2024-04-11T07:31:54.89+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(217.60000000000002, 70%, 31%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EBD%3C/text%3E%3C/svg%3E)
Bhavin Dhola
20
Reputation points
1 answer
Module connection using x509 certificates
Hi, When reading the docs about connecting devices and modules using a x509 certificate there is this part about the required common name (CN): For modules using X.509 authentication, the module's certificate must have its common name (CN) formatted…
asked 2024-04-09T12:01:37.0066667+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(32, 45%, 13%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EFK%3C/text%3E%3C/svg%3E)
Ferry Koolen
0
Reputation points
commented 2024-04-10T20:10:30.2+00:00
Sander van de Velde
28,311
Reputation points MVP
1 answer
One of the answers was accepted by the question author.
Azure IoT Hub with plain MQTT: How to correctly send response to Direct Method?
Hi all, I'm currently implementing a device application that connects to Azure IoT Hub over MQTT protocol. All the publish and subscribe functionality with IoT Hub works without issues, except for responding to a Direct Method event/message. The…
![](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(284.8, 97%, 37%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EP6%3C/text%3E%3C/svg%3E)
1 answer
One of the answers was accepted by the question author.
Send telemetry from an IoT Plug and Play device to Azure IoT Hub (azure-iot-sdk-c)
Hello, I try to run the demo of azure-iot-sdk-c. The compile is OK, and the message seems have sent out, but the monitor-events command can not see any message. Also the AZure IoT Explorer. See the attachment picture can find the connection…
![](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(115.19999999999999, 81%, 21%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EF%3C/text%3E%3C/svg%3E)
0 answers
Connecting Arduino Uno R4 Wifi to Azure IoT Hub
Has anyone successfully connected their Arduino Uno R4 Wifi to Azure IoT Hub and Azure IoT Central? I've been encountering issues related to libraries like based64.h, azureiothub.h, azureiotutility.h, and so on. I'm hoping someone can provide me with an…
asked 2024-02-13T16:40:00.67+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, 56.00000000000001%, 15%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EYY%3C/text%3E%3C/svg%3E)
Yeow Yu Leong
115
Reputation points
commented 2024-04-03T20:47:32.7066667+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, 73%, 15%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EAN%3C/text%3E%3C/svg%3E)
Antu, Nayeem
0
Reputation points
1 answer
IoT Certification
Hello Everybody. I saw that the Azure IoT certification that existed in the past does not exist anymore... Would you have maybe some tips or ideas about which certification could be useful instead? I was thinking that the Data Engineer path could be a…
asked 2024-04-03T16:03:13.4233333+00:00
Omar Cruz
21
Reputation points
edited the question 2024-04-03T18:05:05.4266667+00:00
Mohamed El-Qassas
1,391
Reputation points MVP
1 answer
Understanding IoT Hub Message Size Limits
Hello, I'm trying to wrap my head around IoT Hub message size limits and how they actually impact our setup. Here's the setup we have, we've got a bunch of IoT Hubs running under the Standard Tier. They're like middlemen for messages coming from IoT Edge…
asked 2024-04-03T15:46:51.3866667+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(105.60000000000001, 55.00000000000001%, 20%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EDM%3C/text%3E%3C/svg%3E)
David Maryo
101
Reputation points
edited an answer 2024-04-03T17:49:21.9333333+00:00
Sander van de Velde
28,311
Reputation points MVP
1 answer
One of the answers was accepted by the question author.
IoTHub ingest function to azure digital twin (failed)
I have created a function app for iot hub ingest telemetry data to azure digital twin using visual studio 2022 and the function is successfully being published but the data is fail to deliver. The following is my function app code: The figure below is…
Azure Digital Twins
Azure Digital Twins
An Azure platform that is used to create digital representations of real-world things, places, business processes, and people.
219 questions
Azure Functions
Azure Functions
An Azure service that provides an event-driven serverless compute platform.
4,263 questions
Azure IoT Hub
Azure IoT Hub
An Azure service that enables bidirectional communication between internet of things (IoT) devices and applications.
1,115 questions
Visual Studio Debugging
Visual Studio Debugging
Visual Studio: A family of Microsoft suites of integrated development tools for building applications for Windows, the web and mobile devices.Debugging: The act or process of detecting, locating, and correcting logical or syntactical errors in a program or malfunctions in hardware. In hardware contexts, the term troubleshoot is the term more frequently used, especially if the problem is major.
939 questions
asked 2024-04-03T01:54:09.4+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(48, 45%, 14%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ETW%3C/text%3E%3C/svg%3E)
TEE WEI KIAT
40
Reputation points
commented 2024-04-03T17:30:13.12+00:00
TEE WEI KIAT
40
Reputation points
1 answer
Larger device-to-cloud telemetry messages lost in IoT Hub
Hello We are using Azure IoT Hub via Azure IoT protocol gateway (https://github.com/Azure/azure-iot-protocol-gateway). Device telemetry messages are routed to (1) Azure function apps via Event Grid (IoT Hub built in endpoint) and (2) Azure blob…
asked 2023-12-11T12:44:53.2966667+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(188.79999999999998, 7.000000000000001%, 28%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EMK%3C/text%3E%3C/svg%3E)
Martti Käärik
20
Reputation points
edited an answer 2024-04-03T17:06:17.4866667+00:00
LeelaRajeshSayana-MSFT
13,456
Reputation points
2 answers
[RDS][IOT] Do we have any GUI Remote access to IOT devices ? for windows and Ubuntu
Hi, I would like to know about any remote device sharing/access option with a GUI control for devices connected via IoTHub. Do we have some solution available like this from Azure? Regards, Visakh V A
asked 2024-04-01T13:42:14.13+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(275.2, 31%, 36%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EAV%3C/text%3E%3C/svg%3E)
Anjaneya, Visakh
20
Reputation points
edited the question 2024-04-02T15:50:49.1533333+00:00
LeelaRajeshSayana-MSFT
13,456
Reputation points
1 answer
One of the answers was accepted by the question author.
How can I replace the use of wildcards for subscription to an IoT Hub pseudo topic
I require assistance in analyzing other tools or solutions provided by Azure that could help resolve the issue with my Modicon M262 PLC device, which is unable to use wildcard subscriptions for C2D communication, such…
asked 2024-04-02T03:34:06.0566667+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(22.400000000000002, 66%, 12%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EMM%3C/text%3E%3C/svg%3E)
Marcos Moraga
20
Reputation points
accepted 2024-04-02T13:09:06.0233333+00:00
Marcos Moraga
20
Reputation points
1 answer
How to ProvisioningDeviceClient using React Native?
I want to provision device client using symmetric key and x509 certificate so I find out that https://github.com/Azure/azure-iot-sdk-node/blob/a85e280350a12954f46672761b0b516d08d374b5/provisioning/device/ts-samples/src/register_symkey.ts#L49 and…
asked 2024-04-02T07:55:43.18+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(307.2, 80%, 39%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EAS%3C/text%3E%3C/svg%3E)
Alam, Shahanshah - Contractor {PEP}
0
Reputation points
answered 2024-04-02T12:36:59.3166667+00:00
Sander van de Velde
28,311
Reputation points MVP
2 answers
One of the answers was accepted by the question author.
Message Routing
Hello, I am an undergraduate student using Azure for the first time and need some help routing messages from the IOT Hub to a container in my Storage account. I believe I filled out all of the settings properly, but am still not able to receive the JSON…
![](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(224.00000000000003, 1%, 31%)' 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)
2 answers
One of the answers was accepted by the question author.
IOT Edge Modbus Module
I am trying to use an iot edge device connected with a VM along with the iot edge modbus module to act as a gateway to store data from my Modbus device to my hub. I believe I have everything set up I just can't seem to get my Modbus device and Modbus…
asked 2022-08-10T17:37:25.83+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(230.39999999999998, 96%, 32%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ESJ%3C/text%3E%3C/svg%3E)
Stross, Jared
41
Reputation points
answered 2024-03-27T11:06:44.39+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(291.2, 42%, 38%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EAJ%3C/text%3E%3C/svg%3E)
Andrzej Jarosz
0
Reputation points
1 answer
como alterar o tempo da chave de acesso (generate-sas-token) para o iot hub utilizando o power-shell do azure?
Boa noite! Meu nome é Luciano. Saudações a todas e todos! Eu gostaria de ajuda para alterar o tempo de duração da chave gerada pelo generate-sas-token, para iot hub, utilizando o power-shell. Eu sou novato na utilização do azure e não estou conseguindo…
asked 2024-03-07T04:42:25.56+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, 98%, 15%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ELP%3C/text%3E%3C/svg%3E)
Luciano pai do Miguel
0
Reputation points
commented 2024-03-21T16:38:46.3233333+00:00
LeelaRajeshSayana-MSFT
13,456
Reputation points
3 answers
Im trying to send Data from my IoTHub Input to my Sql Database output, but tables stay empty?
Hello everyone, Im currently working on a university-project and I'm connecting my Raspberry Pi Pico with Azure. The Pico is sending temperature data, which is recieved in the IoTHub Input im my analytics stream, but when I'm trying to send the data to…
asked 2024-03-20T14:33:58.6733333+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(140.8, 89%, 23%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ESO%3C/text%3E%3C/svg%3E)
Snack Overflow
0
Reputation points
answered 2024-03-20T15:53:31.9666667+00:00
Sander van de Velde
28,311
Reputation points MVP
1 answer
how to fix connection issue as my device not connected with azure iot hub?
I am currently using teltonika fmb120 device i configured the device as well azure iot hub also but my device is not connected with iothub, i tried to hit online server with mqtt protocol its working there but not with azure iot hub
asked 2024-03-20T07:35:43.84+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(284.8, 86%, 37%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EMJ%3C/text%3E%3C/svg%3E)
madhur jain
0
Reputation points
answered 2024-03-20T08:54:02.0066667+00:00
Sander van de Velde
28,311
Reputation points MVP
0 answers
Using CA Signed X.509 Certificate in IoT Hub for Edge Device Authentication
Hi, I have setup a IoT Hub which has to receive data from an edge device. the edge device is a custom Iot edge module developed using C# SDK. I have to use a CA signed certificate, but I don't see the option to select CA signed certificate while creating…
asked 2024-03-19T05:24:10.57+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(224.00000000000003, 98%, 31%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ESC%3C/text%3E%3C/svg%3E)
Satyam Chauhan
492
Reputation points
commented 2024-03-20T05:16:30.05+00:00
Satyam Chauhan
492
Reputation points
2 answers
I'M NOT ABLE TO CREATE GROUP FOR DEPLOY A FIRMWARE ON ADU
Hello, I am testing the ADU service, I have imported my .bin file and my manisfest.json. I tagged my device in my device twin with "tags": { "ADUGroup": "tagQueva2" }, and all is well. In the Group and deployments window,…
asked 2024-01-20T22:14:19.2433333+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(0, 3%, 10%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EYT%3C/text%3E%3C/svg%3E)
Yvan Tankeu
0
Reputation points
commented 2024-03-19T10:36:57.5633333+00:00
Yvan Tankeu
0
Reputation points
3 answers
One of the answers was accepted by the question author.
How to get rid of Base64 encoding on event body
I develop my own IoT device using Azure SDK for Embedded C IoT Hub Client. When publishing MQTT events I do not use Base64 encoding on message body, something like this: StaticJsonDocument<255> doc; doc["Temp"] = String(data.Temp); …
asked 2023-03-17T12:43:43.02+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 2024-03-18T20:21:12.7866667+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, 66%, 22%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EL%3C/text%3E%3C/svg%3E)
Luke_R
20
Reputation points