Internet of Things Stack Exchange
Internet of Things Stack Exchange

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1500 questions
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Why does this whitepaper say MQTT usernames/passwords "do not provide enough entropy"?

This whitepaper comparing MQTT and AMQP says that MQTT's username/password restrictions make it far less secure than AMQP: MQTT requires short user names and short passwords that do not provide enough entropy in the modern world. Section 3.1.3.5…
Aurora0001
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What can I do if a smart DVR camera only supports default passwords?

An awful lot of devices on the market for home automation have severe security flaws, such as hard-coded passwords (or no passwords at all!). To make it worse, it's hard to find information on the Internet about a device's security before…
Aurora0001
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Which D-Link IP cameras are affected by the FTC complaint, and what can I do about them?

The FTC have filed a legal complaint against D-Link alleging that their routers and IP cameras have critical security vulnerabilities and are misleading consumers into believing they are safe. Defendants have failed to take reasonable steps to…
Aurora0001
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How do I create a smart alarm clock?

I have an old, broken alarm clock (speaker burned out) that I'm trying to make into a smart version. Can I use something like an Arduino or Raspberry Pi for this? What screen should I use? I would like to have it controllable with an RGB LCD +…
anna328p
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Are Android Things updates going to be delivered automatically?

I recently found out about Android Things, Google's platform for developing an IoT device on top of the Android system. An InfoQ article suggests that the updates Google provide to Android Things will automatically be pushed to devices: Certified…
Aurora0001
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Intel SPI flash descriptor

Hello I am asking here because I do not see a general firmware Stack Exchange or better place. I am open to suggestions on that. But my question is pertaining to Intel Atom SoCs. I am interested in when the processor resets, then the BSD executes…
marshal craft
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How does the Norton Core increase the security of a "smart home"?

Symantec is releasing a new router, the Norton Core, which they describe as "The secure router for your connected home." I found out about this while reading an article on Engadget, but their description of what the device actually does and how it's…
Aurora0001
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Why does 6LoWPAN use additional header compression?

I've been reading about the 6LoWPAN protocol (which is used by Thread, among other network protocols), and it seems to be highly useful for networking, and has the advantage of allowing each device to easily be addressable. Wikipedia says that…
Aurora0001
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Philips Hue App - out of home control sign-in problem

I am trying to control lights from outside using Hue app on my Android phone, but when I try logging in, by hitting 'log in' button under 'out of home control' under Settings, it takes me to an webpage api.meethue.com and display this: …
Sean
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How to increase the Lora range using a LoStik?

I know this is a common question but I am wondering how to increase range on my Lora 'LoStik' device. https://www.crowdsupply.com/ronoth/lostik I am trying to send data from one LoStik to another. Both are plugged into Raspberry Pis. Data packets…
Tuomas Talvitie
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Does the Google Home record conversations to target advertisements?

Google states that the Google Assistant (the personal assistant that runs on the Google Home, Pixel and the Allo app) uses 'conversation history' for targeted advertising: Does Google use my conversation history to personalize the ads I see? If you…
Aurora0001
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What's the difference between the Pelco D and Pelco P protocols?

Pelco uses 2 different protocols to send PTZ (Pan, Tilt, Zoom) commands to cameras: Pelco D and Pelco P. I'd like to understand the difference from a high-level perspective. Are they meant for different use cases? Is one more feature-complete than…
Fabio says Reinstate Monica
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Does IFTTT's Alexa channel support 'text ingredients'?

IFTTT has support for Amazon Echo (and the Alexa assistant) through the Amazon Alexa channel. Some channels allow you to specify variables, known as ingredients, from a trigger which will be passed into the output event. The Google Assistant channel…
Aurora0001
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Is it a good option to send images over LoRa network?

LoRa (Long Range) technology is one of the promising technology which offers long range communication with low power consumption. Therefore when building a device that can be deployed in a no network area or to achieve long distance such as 5km or…
tim3in
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Why does the ARM architecture dominate the IoT market?

I would like to understand why we use ARM for routers, cell phones, cameras, refrigerators, smart TVs, and everything, instead of using any other architecture like x86. What are the advantages of using ARM for these things? What would be the…
BunnyGuy
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