Internet of Things Stack Exchange
Internet of Things Stack Exchange

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1500 questions
18
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5 answers

Is there a way to control my lights from my Linux desktop?

I have just started investigating smart lights. I am interested in using some Wi-Fi sockets in some lamps in my office to automate the lights. I am curious if there is a way to turn my lights on from my PC, and ultimately turn them on when my Linux…
Scorb
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How can I control my TV from my computer?

I have a TV as secondary PC monitor and console output, and I would like to build something to control it from the PC sources—turning on and off, volume and such. In short, a program to emulate my TV remote control. I have no idea where to start,…
mejillonius
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Is MQTT protocol appropriate for transmitting sensor readings over BLE?

Assume that there are numerous weak sensors (e.g., Arduino level devices) which rely on BLE as means of communication and that these devices are connected to a more powerful gateway (e.g., Raspberry pi level of devices). I would like to know if MQTT…
dr.doom
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2 answers

Making Amazon Echo / Alexa work outside of US, UK, Germany and Canada

According to Amazon Echo's Wikipedia page, they're only available in the US, UK, Germany and Canada. Echo's Achilles heel is Amazon's unwillingness to look beyond the US. - The Australian However, being primarily an IoT device, they should work…
Coomie
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2 answers

How can I implement MQTT on an STM32F030K6T6?

The controller in question is an STM32F030K6T6, which has an ARM® 32-bit Cortex® -M0 low power core, 32 kB Flash memory and 4 kB SRAM. It interfaces an SIM808 for Internet connectivity. The resources are quite limited regarding the memory. Is it…
Bence Kaulics
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17
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2 answers

ESP8266 with ethernet connection

I was wondering if someone knows a way to convert a ESP8266 to non-WiFi. I.e. have it connected through Ethernet, preferably with PoE possibility. Reason for asking: My plan is to have sensors in a locker which is not a wifi-friendly environment. I…
Jimmy Westberg
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7 answers

What IoT services are available for storing/sending/publishing generic data in the cloud?

What IoT services are available for storing/sending/publishing (and opposite operations) generic small amount of data in the cloud? I am looking, for example, for a service where a device could store a value in the cloud. And some other entity…
urnenfeld
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4 answers

Can you setup Alexa to remind you about calendar events?

Is it possible to configure an Amazon Echo so that Alexa will tell you about upcoming events (e.g. from Google Calendar) an hour before each of them by waking itself up and reminding you about them?
kenorb
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2 answers

What simple security tests can I perform on my MQTT network?

I am about to set up an MQTT network at home. I want to build up some knowledge by practical exercises. It would be a small network with the broker hosted on my laptop (Windows 7) and some Raspberry Pi powered client. Also I am thinking about making…
Bence Kaulics
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17
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2 answers

What is a good way for an IoT device to receive its network settings?

I'm in the process of building an IoT device using ESP8266. The device will eventually contain a couple of motors, and I would like to control these motors using MQTT. I would like to make the device as cheap as possible, so I would like to avoid…
Mikael Lindqvist
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2 answers

Are there any Bluetooth LE light dimmers with open APIs?

Are there any smart light switches/dimmers that support Bluetooth Low Energy and have an open or accessible APIs? I want to gradually replace all dumb switches in my house with smart switches, but don't want to deal with any proprietary apps. Are…
Ghostrider
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17
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4 answers

Can triggers be chained with IFTTT?

When using IFTTT, it's trivial to connect one trigger (if this) to one event/output (then that). However, I'm interested in using IFTTT for a slightly more complex query, along the lines of "if this happens 3 times, do that". A Quora question…
Aurora0001
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1 answer

Secure Home Network Partition for IoT Devices

What is the best approach to partitioning IoT devices from non-IoT devices at home? I have heard that setting up separate networks, one for IoT devices and one for everything else, is a good approach. This can be thought of as a three router "Y"…
soundslikeodd
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3 answers

Don’t subscribe to # - so how to dump all messages to database with Mosquitto?

HiveMQ's blog lists under "best practices" not to subscribe to the multi level wildcard when attempting to dump all messages to a database. They claim that the subscribing client may not be able to keep up with a high load of messages and propose to…
Ghanima
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How accurate is Google Home's voice recognition, especially where the speaker has a thick accent?

I'm thinking of purchasing Google Home. In the past I have always had issues due to a 'broad Yorkshire accent' with voice recognition systems. I'm concerned that if I purchase Google Home, my accent will prevent the device from accurately…
Terry
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