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14 votes
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How does an Azure IoT Hub interact with Embedded/IoT devices?

The model that IoT Hub connected devices use is that they will never accept incoming connections. IoT Hub devices never act as a 'server', and this is a crucial part of the security model in Azure IoT....
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6 votes
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Creating a Tor 'hidden service' on Windows IoT Core

Tor seems overkill for what you're trying to do. If you want to prevent sniffing of data on the network, simply communicate with the server using SSL by installing a certificate on the server. You may ...
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5 votes

IoT device (siren) with RESTful APIs

I don't think there are many off-the-shelf configurable end products (maybe a Kickstarter idea). The only one I found so far was Hexiware and I have no idea how complete that is. Cost wise, I think ...
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4 votes

Subscibe to specific device with AWS or Azure IoT services

I haven't worked with Azure as such but Message Broker for AWS IoT uses MQTT and is like any other MQTT broker (like mosquitto for Linux). MQTT messages basically work on Topics. If the android app ...
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4 votes

IoT device (siren) with RESTful APIs

If you want an off-the-shelf solution, you might want to consider the D-Link Wi-Fi Siren. It is currently available for $49.99, and has six different siren sounds. It connects directly to a Wi-Fi ...
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4 votes

IoT device (siren) with RESTful APIs

The device you can use is: Raspberry Pi, it will cost you around $30 like you want for your budget. The best thing with Raspberry Pi is you can install Ubuntu / Debian flavours of Linux on it and ...
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4 votes

Has anyone got the transparent MQTT gateway running in Azure IoT Edge?

We haven't been contacted by anyone who is using their own protocol client to connect to an Azure IoT Edge device working as a transparent gateway. That said, we do have many customers successfully ...
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4 votes
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MQTT Connection Using Keep-Alive > 5 Minutes Silently Disconnects on Azure VM Broker?

I found my issue and how to fix it. Posting as an answer here for completeness in case others have similar issues. Azure virtual machines (Resource Manager, not classic) can be created with a public ...
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3 votes

MQTT Connection Using Keep-Alive > 5 Minutes Silently Disconnects on Azure VM Broker?

Just to complete this question. As worked out in the comments. It looks like Azure's router drops connections that have been idle for 5 mins. See this Stack Overflow answer for details: https://...
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3 votes

How multitenency with azure IoT is handled?

To get a complete multi-tenancy you will have to create a specific IoT Hub instance per customer which will give you a full separation between tenants. The downsides of this approach are: Pricing - ...
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3 votes

How multitenency with azure IoT is handled?

I have been building IoT solutions on Azure since before IoT hub and have done it in various different ways over the last few years. So this comes from experience of doing it different ways and ...
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3 votes

Open source IoT framework similar to Azure IoT

The Balena.io stack is opensource and in theory you can stand up you own version. It will handle all the provisioning/managing of the devices but you'll have to supply your own messaging/storage/...
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2 votes

IoT Dashboard for customers (data comes from Arduino)

I would look at Node Red for an IoT dashboard. (Indeed, http://remuda.omnipresense.com/ui is my dashboard for speeds on my street, and done using Node Red on a Raspberry Pi) The almost-built-in ...
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  • 71
2 votes
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Make connection between react native & raspberry & MQTT

We solved this by edit the Mosquitto config file to either add a new listener port 8883 and to use the WebSocket protocol for that port. From Stack Overflow: Seting mosquitto broker to listen on two ...
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  • 167
2 votes

Azure Service leverage IoT solution

If you are bridging into Azure from devices and not able to run the IoT Device Client on the device you might be better off not provisioning through IoT Hub at all. If you trust the data stream or ...
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2 votes

What type of server would be better for embedded TCP/IP communication?

What I would do is to create a Debian server on Azure. Just a plain Debian server. There you can either install a web server like apache or nginx in which you can have either just a web page to ...
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  • 515
1 vote
Accepted

Where is my sensor data being stored in the IoT Hub?

Azure IoT Hub doesn't act as Telemetry database for querying the data. Indeed it's storing the data for the specified time defined in the retention policy but you don't have a direct access to it from ...
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  • 234
1 vote

Open source IoT framework similar to Azure IoT

You can also use the opensource Blynk project. The server is opensource. Mobile application is closed source, but is building based on the community feedback (link). My home automation project has ...
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1 vote

Open source IoT framework similar to Azure IoT

You could hack together something with certificates, MQTT, kafka and firebase. But you'll spend a lot of energy making it work and managing it. I guess it is a risk of not taking off Vs a risk of ...
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1 vote

What is digital twin/device shadow?

A digital twin is just a (virtual) object that entirely reflects the state of the physical device. This means that any time the device changes state it needs to report this back to the "cloud". If ...
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1 vote
Accepted

How enrollment list in Azure IoT Hub Device Provisioning Service isolate tenant specific configuration?

The answer is more or less same if you have seen this question Should there be one device provisioning service for one IoT hub if it is associated with one tenant? Yes DPS isolates tenant ...
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1 vote
Accepted

Should there be one device provisioning service for one IoT hub if it is associated with one tenant?

It seems a single Device Provsioning Service (DPS) instance is enough to handle this scenario. All I have to consider is the attestation mechanism, in order to identify the devices to DPS. An ...
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1 vote

How multitenency with azure IoT is handled?

You can use the Azure IoT Hub message routing service. Message routing enables sending telemetry data from your IoT devices to built-in Event Hub-compatible endpoints or custom endpoints such as blob ...
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1 vote

MQTT Connection Using Keep-Alive > 5 Minutes Silently Disconnects on Azure VM Broker?

This. I can't remember where I captured this from, so I'm unable to link to source. All pinpoint accurate information though. Yes, Microsoft should bake in more appropriate values into their Azure ...
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