Internet of Things Stack Exchange
Internet of Things Stack Exchange

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1500 questions
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Wireless devices for wireless control of light

Objective: Finding out about terminology/ specification to help me source economically priced hardware for DIY installation. (My Google search for wireless light switching produces wall switches operatable by apps…
Frits
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Set up home Wi-Fi access for a device without a screen

I'm building a connected device without a screen that needs to be connected to home Wi-Fi. WPS is not an option. The device will have a Bluetooth module in addition to Wi-Fi hardware. QR codes can be done as well. I'm also building an iOS app to…
Akshay Hasija
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Standards for keeping devices' security up-to-date

With IoT devices typically being built with low profit margins and low power specifications, functionality is typically limited to that which is needed. But for a device that is expected to last a number of years, there will be security…
Rory Alsop
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MTAC-LORA-H-868: Can I use without an antenna?

I recently received MultiConnect Gateway (GW) + MTAC-LORA-H-868 but the problem is that I didn't receive any antennas. I need to setup LoRa Gateway ASAP. I'm new to LoRa and I have a few questions. Is it safe to run a GW without + MTAC a or…
Mikhail Vataleu
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What is the difference between Echo and Echo Plus?

I wonder what the difference between the Amazon Echo and the Echo Plus is. Of course I know that the Echo Plus has a Smart Home Hub integrated but for what exactly is it? I can not find any information about that on the internet. I am asking because…
Elastic Lamb
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How to secure a Samsung Smart Refrigerator against BlueBorne?

Armis Labs lately revealed a new attack vector that attacks essentially all major OS including those used on IoT devices via Bluetooth. BlueBorne is reported to spread malware laterally to adjacent devices - which sounds pretty much like an IoT…
Ghanima
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Does Node-Red support multi-request flows (i.e. sessions)?

I gave Node-Red a short test-run this week. It is not clear to me whether it supports flows that encompass more than one request. Does Node-Red have a request-per-flow or a session-per-flow model? Having worked with data-flow based programming tools…
Chris Steinbach
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Is wireless mesh a poor choice for sleepy devices?

I've been thinking about what it would take to build a temperature sensor network for the block of apartments I live in. A wireless mesh, if it would work at all, would have some nice features. In particular, I could place sensors in the garage and…
Chris Steinbach
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What are the limitations of our own build Echo using Raspberry Pi?

I'm trying to build my own Echo device. I found the GitHub repository here and some YouTube tutorials. I would like to know what are the limitation of this. Will this allow me similar functions that are available with Echo or Echo Dot available in…
Archibald
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How do we get Alexa to speak instead of making the light green when receiving a message?

I sent a message via my Alexa app to my friends Alexa app. But when he received the message his echo device gives a small sound and turns it's round light to green. Instead of this can we get Alexa to prompt and say that "you got a message do you…
Archibald
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Can we send commands to Alexa through Alexa app?

Let's say I'm not at home but I need to check whether my smart bulb at home is on or off? I know I can do it with the app that support my smart bulb but then I need to check each every app that I downloaded for each and every smart device I have.…
Archibald
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Can Google Home support multiple accounts in different languages?

I am British, my wife is French. Can I talk to Google Home in English and use my account while she talks to it in French and uses her account?
Rich
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What capabilities does my Home Connect appliance provide in the developer SDK?

The smart household appliances that can be controlled via Home Connect can also be accessed via a developer SDK provided by the Home Connect Service provider. How can I find out what I will be able to do with a prospective oven, e.g. a Siemens iQ700…
Helmar
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IoT 2G wireless data - service providers options in USA

What are the service providers options in USA for IoT 2G data? Project scenario: raspberry pi 3 devices that will be collecting data in remote areas I would buy modem modules compatible with the wireless network requirements Each device would need…
RandomUser
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LoRa - Creating a personal network to track cars

I have two single channel LoRa/GPS modules and I want to create my own personal network. I want a module that receives all data from other devices and sends it to a server with a database. I was wondering, is this possible?! Also, how should I…
Robin
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