Azure IoT Hub
An Azure service that enables bidirectional communication between internet of things (IoT) devices and applications.
1,149 questions
1 answer
Azure IoT Java SDK: How to send batch device to cloud messages
Currently i am able to send one telemetry message at a time from device to azure IoT but i didn't find any option to send batch of messages in java SDK. can anyone help me here how can we send batch messages using java SDK.
asked 2020-07-16T23:01:44.79+00:00
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Palnati, Venkata S
1
Reputation point
commented 2020-08-28T12:41:47.717+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
30,066
Reputation points
1 answer
SetMethodHandlerAsync connection still valid
The Azure IoT SDK allows a method handler to be assigned after setting up a connection string to the Azure IoT hub (such as below). // Create the device client deviceClient = DeviceClient.CreateFromConnectionString(hubConnect, …
asked 2020-08-18T12:29:18.677+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(208, 60%, 30%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ESM%3C/text%3E%3C/svg%3E)
Stephens, Mike
1
Reputation point
commented 2020-08-27T00:36:38.013+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
20,186
Reputation points
2 answers
One of the answers was accepted by the question author.
Limits and throttles in connection multiplexing scenario
We are implementing an IoT gateway that performs identity translation. The gateway should connect to IoT Hub on behalf of multiple field devices, which communicate to the gateway. Bidirectional communication (D2C and C2D) should be supported. The…
asked 2020-08-18T12:45:05.813+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(169.60000000000002, 96%, 26%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EAK%3C/text%3E%3C/svg%3E)
Andreas Krüger
31
Reputation points
accepted 2020-08-26T06:51:04.44+00:00
Andreas Krüger
31
Reputation points
2 answers
One of the answers was accepted by the question author.
device to cloud using (MQTT) self signed certificate
Hey there, I'm trying to test the Azure IoT Hub. MQTTBox is used for testing. I have generated a certificate.pem and key.pem from OpenSSL. Command used is openssl req -newkey rsa:2048 -nodes -keyout key.pem -x509 -days 365 -out certificate.pem – to…
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1 answer
One of the answers was accepted by the question author.
Migrate from IoT Central Application to IoT Solution Accelerator
I was curious if there is a migration plan for moving an existing Azure IoT Central Application to a IoT Solution accelerator. The use case here would be an established solution provided by IoT Central, but some additional/advanced customization would…
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2 answers
One of the answers was accepted by the question author.
How can I get serie of telemetry of IoT Central device instead current value?
I know to get current telemetry value by using the API. But I need to get 24hrs of a sensor data. But I don't know how to to do it with IoT Central and IoT Hub.
asked 2020-08-10T10:23:54.627+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(124.80000000000001, 44%, 22%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ETV%3C/text%3E%3C/svg%3E)
Tan Vo
21
Reputation points
answered 2020-08-18T07:30:06.893+00:00
Roman Kiss
2,246
Reputation points
1 answer
One of the answers was accepted by the question author.
Azure stream analytic input from IoT hub
I have a iot solution with iot hub and sql db . so I use stream analytics that integrated in sql db. The problem is: The Input came from iot hub's event endpoint and enriched with iot hub's message enrichment feature. In stream analytic I could get…
asked 2020-08-15T05:06:18.277+00:00
Navid Ahrary
21
Reputation points
accepted 2020-08-15T06:41:14.347+00:00
Navid Ahrary
21
Reputation points
1 answer
Emulate DDoS / Malware / Sniffing Attack on IoT Hub
For context I’m new to Azure IoT Hub. I’ve setup a project to monitor temperature on Azure IoT Hub, that captures various telemetry data metrics. I’m now researching how to emulate a DDoS or any malware attack on this application in Azure IoT Hub and…
asked 2020-08-04T02:57:56.737+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, 33%, 31%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ENB%3C/text%3E%3C/svg%3E)
Nisarag Bhatt
1
Reputation point
commented 2020-08-13T09:50:46.22+00:00
AshokPeddakotla-MSFT
30,066
Reputation points
1 answer
Does Azure IoT Hub provide a MQTT 3.1 Service that supports both non-encrypted and encrypted (SSL/TLS) connections?
Hello, Currently using EMQX as a message broker but looking to perhaps make the leap into Azure IOT Hub. I'm curious to know what MQTT 3.1 functionality Azure IOT Hub has and if this could completely replace EMQX as a message broker for MQTT 3.1…
asked 2020-08-06T07:53:27.617+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(236.8, 62%, 32%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EBS%3C/text%3E%3C/svg%3E)
Bruce Smith
1
Reputation point
commented 2020-08-13T06:46:09.89+00:00
AshokPeddakotla-MSFT
30,066
Reputation points
1 answer
Azure IoT Hub related Question
Hi, we're an industrial design department at Seoul Women's University. We are currently building an IoT lounge in schools with government support. we're looking at several cloud services for data management, and I'd like to ask you a few questions…
asked 2020-08-06T10:42:25.05+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(316.8, 75%, 40%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EK%3C/text%3E%3C/svg%3E)
KimYujin
1
Reputation point
commented 2020-08-13T06:44:49.88+00:00
AshokPeddakotla-MSFT
30,066
Reputation points
2 answers
// Refrigerated Truck app - looking for 4 <your strings>
What are the four <your...> strings in the "Create a programming project for a real device" in the Create your first Azure IoT Central app Exercise I'm working through the // Refrigerated Truck app and its not clear what the 4 strings…
asked 2020-08-04T18:56:09.063+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(57.599999999999994, 2%, 15%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ENM%3C/text%3E%3C/svg%3E)
Nikesh Mangal
1
Reputation point
commented 2020-08-12T22:19:50.933+00:00
QuantumCache
20,186
Reputation points
1 answer
One of the answers was accepted by the question author.
The IoT Edge Module is in Backoff state
I have developed a module and built the image for arm64v8 architecture as my Edge device is running in Raspberry Pi 4. I got the file deployment.arm64v8.json in the config folder correctly. But when I right-click on the device in Visual Studio Code and…
asked 2020-08-04T16:53:30.913+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(310.4, 54%, 40%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ESV%3C/text%3E%3C/svg%3E)
Sibeesh Venu
21
Reputation points
accepted 2020-08-08T12:12:55.283+00:00
Sibeesh Venu
21
Reputation points
3 answers
One of the answers was accepted by the question author.
How to re-provision an IoT Edge Device?
Hello, I've been experimenting with the DPS and individual enrollment using symmetric key attestation for an IoT Edge Device. After following the steps detailed in "Device Provisioning Service defined with an individual enrollment defined…
asked 2020-07-28T21:31:58.87+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(92.8, 55.00000000000001%, 18%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EAP%3C/text%3E%3C/svg%3E)
Amparo Pittier
21
Reputation points
accepted 2020-07-31T17:49:44.467+00:00
Amparo Pittier
21
Reputation points
1 answer
SSL Error while running $edgeHub on local docker
I am developing IoT Edge Module on my windows 10 machine (company provided machine with proxy) as host for Raspberry Pi IoT Edge. I have Docker for Windows installed on my machine. I would like to simulate my module on host docker to test. I am able to…
asked 2020-07-23T18:55:29.007+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(124.80000000000001, 80%, 22%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ERI%3C/text%3E%3C/svg%3E)
Roopak Ingole
51
Reputation points
commented 2020-07-31T17:48:10.877+00:00
QuantumCache
20,186
Reputation points
2 answers
One of the answers was accepted by the question author.
Authorization for azure REST API call
Hi, I'm trying to call the inbuilt azure API by bearer token generation. The bearer token is generated using "https://login.microsoftonline.com/{tenantID}/oauth2/token," and using this token, I'm trying to access the get device API from…
![](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, 82%, 39%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ERS%3C/text%3E%3C/svg%3E)
1 answer
One of the answers was accepted by the question author.
vision-ai-developer-kit
Ref: https://visionaidevkitsupport.azurewebsites.net/ I got an understanding of deploying vision AI model on to the device but I am not clear on how to manage the device using IoT Hub SDK. i.e. How can I implement/ interact with the device using IoT…
asked 2020-07-24T23:51:57.34+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(6.4, 38%, 10%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ECM%3C/text%3E%3C/svg%3E)
Chandra Mohan
461
Reputation points
accepted 2020-07-31T03:01:01.563+00:00
Chandra Mohan
461
Reputation points
1 answer
One of the answers was accepted by the question author.
How to debug intermittently failing connections to Azure IoT Hub?
I have a number of cellular devices deployed in Canada (with different mobile operators) and connecting to Azure IoT Hub West US 2 location. They've been working normally for a long time until last Tuesday, when all of them started getting handshake…
asked 2020-07-09T23:54:48.287+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, 38%, 14%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ESG%3C/text%3E%3C/svg%3E)
Star Gazer 1
26
Reputation points
accepted 2020-07-22T05:02:18.14+00:00
Star Gazer 1
26
Reputation points
2 answers
One of the answers was accepted by the question author.
How do I route and append iot hub messages into a csv stored in blob storage
Hi experts What would you recommend as a method to send messages from iot hub and append them into an existing csv file in Blob Storage? Thanks in advance!
![](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(83.2, 19%, 18%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ES%3C/text%3E%3C/svg%3E)
2 answers
One of the answers was accepted by the question author.
Clarification on the development structure of an IoT solution + smartphone application
Hello everyone, I have been studying the services offered by Azure IoT Hub to develop an IoT solution. I am inexperienced in the field of Cloud based applications, and to be honest I believe the documentation about Azure IoT Hub to be confused to say…
asked 2020-06-26T14:49:16.953+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, 57.00000000000001%, 13%)' 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)
Mattia Maldini
26
Reputation points
accepted 2020-07-03T06:31:12.013+00:00
Mattia Maldini
26
Reputation points
1 answer
One of the answers was accepted by the question author.
How to implement IoT DPS x509 on device
Hi I've been trying to follow instructions and examples from the DPS documentation1 to implement provisioning using x.509 certificates. Both on the documentation here, and in ESP's instructions2, the instructions are good and concise regarding…
asked 2020-06-11T10:22:42.677+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, 98%, 37%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ERG%3C/text%3E%3C/svg%3E)
Robin Gjølstad
31
Reputation points
accepted 2020-06-26T12:29:26.777+00:00
Robin Gjølstad
31
Reputation points