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Questions tagged [azure-iot-hub]

Azure IoT Hub is a fully managed Microsoft service that enables reliable and secure bi-directional communications between millions of IoT devices and a solution backend.

2008 questions
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What is the difference between Azure IoT Hub and Azure IoT Central?

I used Azure IoT Hub earlier and now I found a new topic Azure IoT Central which looks as same as the Azure IoT Hub. I am confused with the difference between these IoT Services, Can anyone explain me the difference and which one is better between…
lazyCoder
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How to test Messages arriving in Azure IoTHub

I have an event generator connected and publishing messages into an IoT hub. How do I check what message have arrived? I'd be interested in different ways to determine (programmatically, dashboard, etc)
Brig
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Why Primary key and Secondary key in Azure IoT hub?

When creating a shared access policy or registering a device in Azure IoT hub, there will be a Primary key and Secondary key pair generated. And I noticed I can connect a device to IoT hub using either Primary key or Secondary key. So, what's the…
Shuping
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TCP support in Azure IoT Hub

Azure IoT Hub Supports AMQP, MQTT, HTTP protocols. In order to customize these protocols we have Azure IoT protocol gateway. I can find good samples on MQTT protocol customization. I need some sample codes for TCP based protocol customization using…
arun thatham
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purpose of Azure iot hub device-to-cloud partitions

When creating a new Azure IOT Hub you are asked how many device-to-cloud partitions you need. You can select between 2-32 partitions for standard tiers. I understand that the SKU and number of units determine the maximum daily quota of…
GHariz
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1 answer

Integration test in python

I have a python project that I want to test. I already have unit test with unittest but I need to do integration tests. For that, I have two applications: the real one that I have to test, and a "testing" application that will send requests to the…
iAmoric
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Azure IoT Hub - Save telemetry best practice

I am working on a IoT solution that will save weather data. I have googled for some days now on how to set up the backend. I am going to use Azure IoT Hub for handling communication, but the next step is the problem. I want to store the telemetry to…
Krister Johansson
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Azure Functions - how to set up IoTHubTrigger for my IoTHub messages?

How do I setup and configure an IoTHubTrigger correctly to trigger an Azure Function (C#) for my IoTHub messages? Where and how do I plug in my IoTHub's connection string?
Stefan Wick MSFT
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Azure IoT Edge vs Protocol Gateway (IoT Hub)

Our existing IoT Platform uses Azure Protocol Gateway and is working well. I just realized that MS Azure has launched a newer version for Protocol Gateway called IoT Edge. I was just looking for the new feature available in IoT Edge and now I'm…
DSA
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Azure IoT Hub, EventHub and Functions

I have an IoTHub with a route that points to an EventHub which triggers a Functions. I'm having problem getting the DeviceId and other IoT Hub properties from the event object without adding those explicitly to the payload. If I set the input type…
Kimmen
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Arduino MKR1000 How to send Message to Azure IoT Hub

I am trying to setup a basic example of sending a message from the Arduino MKR1000 to the Azure IOT Event Hub but can't seem to get any of the online examples to work and I am new to Arduino. Any pointers for a simple working example? I tried this…
Andrew
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Azure Function Event Hub Trigger reliability

I'm a bit confused regarding the EventHubTrigger for Azure functions. I've got an IoT Hub, and am using its eventhub-compatible endpoint to trigger an Azure function that is going to process and store the received data. However, if my function fails…
Schweder
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1 answer

High CPU Azure Worker Role

so this is a fairly broad question but have run out of ideas. We are currently running 2 worker role instances that does the following : Monitors and processes IoT Hub events by spawning N threads for each batch. Monitors and processes…
David
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Azure IoT hub is taking more than 2 sec to push messages to mqtt device

We have a number of devices (around 50-60 devices) connecting via MQTT to IoTHub. To save battery, our devices wake up once every 5 min, stay awake for 1 sec to get any messages and if there is nothing they goes back to sleep. This was working fine…
Has AlTaiar
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Streaming Analytics job not receiving inputs from IOT hub

I followed a IOT Hub tutorial and got it working. I then created a Stream Analytics job and used the above as an Input (which upon test connection works). However I do not see any inputs being received. When running a sample test I get the…
dataEng
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