Internet of Things Stack Exchange
Internet of Things Stack Exchange

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1500 questions
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3 answers

What are the differences between edge computing and fog computing?

In IoT, alternatives to cloud computing architecture exist which perform parts of computation in lower layers. Edge computing and fog computing are among these alternatives. What are the differences between edge computing and fog computing?
Francesco Boi
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Securing first connection of non provisioned IoT device

Assumptions The IoT Device is actually a software installable on supported operating system, e.g. Windows or Linux. Lets named it Software-Device. The Software-Device is available to download by signed-up customers. Customers can manage fleet of…
Przemek
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6
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Internet Connectivity at the sea

I am building a project which involves the application of geo-fencing at the international borders. An alert is received when the user is near the border. an email is sent to the coastal guards as well. I know that internet connectivity or getting…
user9732
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3 answers

How multitenency with azure IoT is handled?

My company is using Azure IoT services so my question is more specific to azure IoT cloud services. My project is about Azure sphere that sends data to Azure IoT hub and an Azure Event hub reads real time data and publishes data to the hub…
Yatin
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The Things Network - Pricing

I am planning to use The Things Network for my next project with around 50 LoRa nodes geographically distributed in an area. I am wondering is LoRaWAN free to use - provided we buy LoRaWAN gateway from TTN.
Shani
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3 answers

Retrieve raw data from Smart Plug?

I want to monitor the energy/power consumption of household appliances (for example an oven) by using a smart plug. The problem is that I cannot get the raw data to my computer. The measurements are usually plotted in a graph on a phone app, but…
xoani
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Are There any IoT Switches/Plugs that use HPAV Instead of WiFi?

As the number of WiFi devices on a network grows congestion issues start to take hold. Devices farther away from the AP may have trouble maintaining a constant connection, and low priority IoT devices can reduce signal quality for things like smart…
Andrew C
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6
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1 answer

Why does LoRaWAN 1.1 use MAC-then-encrypt for Join-Accept messages?

In the LoRaWAN 1.1. standard it says on Page 16 "For Join-Accept frame, the MIC field is encrypted with the payload and is not a separate field". In other scenarios the message integrity code is a separate field, so the message is encrypted, before…
user393856
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Alternatives to MQTT for local / remote bridging

Amongst the plethora of MQTT questions, I am wondering what are some alternatives to MQTT for when all messages sent to a topic need to be kept, and in a queue for a new subscriber. At my company, we have remote deployments that we manage, and we…
Scott Crooks
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How does APN affect cellular connectivity?

We had recently deployed a few Cellular IoT devices on the field, using SIMs from a certain provider (Airtel India). They had provided us with an APN, but we chose not to program our device with the APN, as it was working even without it. Further,…
shivams
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Alexa - require password for routines?

I am just getting into the SmartThings / Alexa world and know that it can be convenient to do things like: "Alexa open the garage door" "Alexa unlock front door" but what concerns me a bit is security as who is outside the home could just yell one…
Eric F
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3 answers

Controlling normal bulbs brightness using Sonoff devices

I am doing a home automation project in which I should be able to control the lights on/off but more than that, the brightness of the lights. I am using Home Assistant (not hassbian) and Node-Red along with MQTT. I am using a normal bulb I purchased…
Eric Lim
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Can an Android phone do the same things as Google Home (Mini)?

I'm considering buying a Google Home Mini, but it's unclear to me if it can actually do things that my smartphone can't do? I currently only have one "smart" light bulb, and I figure I'd mostly use a Google Home Mini to set my morning alarm, get…
Magnus
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6
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Smart light: change colour schedule

With Philips Hue or Yeelight you are able to create a schedule to turn on the light. I would like to set a timer to automatically change the light colour (i.e. before going to bed) only when the light is on and when the light is off then do…
Tomas
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Are all functions available on all Google Assistant devices?

Is there any difference in the Assistant functionality available on a Google Home compared with a non-Google product such as a soundbar, TV, etc that happens to have Google Assistant on it?
Rich
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