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2016-12-06T17:13:40.417 | <p>Honestly, not much really - only the price difference to become a member, better advertising and more power in the organization.</p>
<p><a href="https://openconnectivity.org/wp-content/uploads/2016/06/OCF-Diamond-Platinum-Gold-Membership-Agreement-Amended06062016.pdf" rel="noreferrer">The corresponding form to beco... | |ocf| | What are the differences of the Open Connectivity Foundation membership levels? | 2 | <p>Can someone explain to me the differences between <a href="https://openconnectivity.org/about/membership-list" rel="noreferrer">Diamond, Platinum and Gold membership</a> at the OCF?</p>
|
2016-12-06T17:51:21.647 | <p>Apparently Smart things uses <a href="https://www.smartthings.com/works-with-smartthings" rel="nofollow noreferrer">Z-Wave protocol among others like Philips Hue.</a></p>
<p>Maybe you should add your devices near the SmartThings hub for it to recognize them to check if they are compatible.</p>
<p>However, be awar... | |smart-home|wireless|samsung-smartthings| | Adding Devices to Samsung SmartThings | 7 | <p>I've got the Samsung SmartThings system installed in my house, but I've encountered a few situations where a new device (e.g. an in-wall outlet) couldn't be found through the SmartThings App on my Android phone. A temporary fix for me was to move one of my plug-in outlets about halfway to serve as a "bridge" between... |
2016-12-06T18:02:11.623 | <p>SSH is a reasonable starting point, its essential that you use TLS encryption, and using putty for ssh access is one way to achieve this. A VPN is another. What is really important is that you use strong pasphrases or keys to access the devices within your network, and that you keep the gateway devices up-to-date. <... | |smart-home|security|raspberry-pi| | What are the best security practices to secure a remote IoT camera? | 14 | <p>I have done a bit of home automation such as building a remote camera that can be turned on via SSH locally and publishes images on a Raspberry Pi run Linux server.</p>
<p>I'm curious, though, as to what protocols are best followed when your security is behind a router. I've used things like Putty and opened ports ... |
2016-12-06T18:06:08.170 | <p>A little late. I installed one such switch on one of my gas fireplaces in 2017 using Fibaro Home Automation.</p>
<p>There was no such regulation in New Zealand. Conditions may vary in other countries. But there are regulations about converting one over for automation.</p>
<p>I wanted to do the same to the other ... | |smart-home|wireless|safety|building-code| | Safety of a smart switch on a fireplace | 17 | <p>Would it be unsafe or considered "bad practice" to replace a gas fireplace switch with an IoT enabled smart switch?</p>
<p>I would like to think there would be no issue, but, I want to make sure that it's not going to break any fire safety codes in my house. However, it would nice from a home automation perspective... |
2016-12-06T18:08:54.370 | <p>If you can have end-to-end TCP, then use <strong>end-to-end TLS</strong> (e.g. with HTTPS).</p>
<p>Don't reinvent the wheel, especially when it comes to cryptography — most people get it wrong. Unless the device is too resource-constrained to support TLS, if you get down to the level of AES, <a href="https://www.nc... | |security|bluetooth|mobile-applications| | How do I secure communication between app and IoT device? | 19 | <p>I am currently working on a project that includes Bluetooth communication between a mobile application (currently using the Ionic platform) and an embedded device. For comparison, our product is similar to a <strong>smart lock</strong>.</p>
<p>Security is of utmost concern, and we are looking into ways to ensure ou... |
2016-12-06T18:17:51.117 | <p>Use rolling code, similar to what garage doors use now. Here is an <a href="https://www.riyas.org/2015/07/a-simple-rf-remote-with-secure-rolling-code-and-arduino.html" rel="nofollow noreferrer">open source example</a>.</p>
| |security|smart-home|raspberry-pi| | Securing 433 MHz wall light switch | 25 | <p>I'm planning to use a simple light switch, that is placed on the wall. The switch gets power from the battery or piezo and sends unique sequences of data (on on- and on off-events) over 433 MHz to the receiver, that is connected to my SmartHome-RaspberryPI.</p>
<p>Since I'm living on the ground floor I have some co... |
2016-12-06T18:22:52.167 | <p>Another name for Industry 4.0 is the Industrial Internet of Things(IIoT), the updated version of IoT. IIoT or industry 4.0 is mainly used in the manufacturing industry and its use cases are driving significant operational and financial benefits for this sector. The image represents the following use cases of industr... | |definitions|industry-4.0| | What is the difference between IoT and "Industry 4.0"? | 30 | <p>When reading about IoT, I often stumble upon the phrase "Industry 4.0". But what is the exact definition of it? Is "Industry 4.0" just a phrase for an IoT application in an industrial environment?</p>
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2016-12-06T18:29:04.690 | <blockquote>
<p>What is the best approach to partitioning IoT device in the home?</p>
<p>I have heard of setting up separate networks, one for IoT devices and one for everything else.</p>
<p>Is this approach secure enough?</p>
</blockquote>
<p>Well, technically, there is no such thing as absolute security. Doing so sho... | |security|networking| | Secure Home Network Partition for IoT Devices | 35 | <p>What is the best approach to partitioning IoT devices from non-IoT devices at home? </p>
<p>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" network set up. One router connects the home to the outside ... |
2016-12-06T18:32:38.917 | <p>You could try <a href="https://www.hackster.io/krvarma/rpivoice-051857" rel="noreferrer">Raspberry Pi with .NET Core</a>. Microsoft has published decent automation libraries, including speech recognition. This is of course more hands-on, but combine it with other sensors and software, and you could do some pretty co... | |smart-home|raspberry-pi|voice-recognition| | How to Enhance the Voice Recognition on Raspberry Pi controlling Smart Home Devices | 41 | <p>I have a Raspberry Pi running <a href="https://github.com/alexylem/jarvis" rel="nofollow noreferrer">Jarvis</a>, a personal IA that I can use with my voice to control my smart home devices.</p>
<p>However, the voice recognition is far from perfect. They have a <a href="http://domotiquefacile.fr/jarvis/content/stt" ... |
2016-12-06T18:34:04.143 | <p>why and when to use MQTT:</p>
<ol>
<li>When you have a server capable to run MQTT Broker/server (obviously). You can install on raspberry pi or compile Erlang MQTT broker on any other SBC with ARM linux.</li>
<li>When you are going to make use of the topic wildchars. Explained in Goufalite answer.</li>
<li>When you ... | |mqtt|protocols|data-transfer|https| | When and why to use MQTT protocol? | 44 | <p>I am developing a device which measures temperature, humidity and mass. Currently it uses HTTPS to upload data to a remote server. Now I know that there is a protocol called <a href="http://mqtt.org/" rel="noreferrer">MQTT</a> which is claimed to be the "protocol of Internet of Things".</p>
<p>In what case and why ... |
2016-12-06T18:50:25.190 | <p>Another factor to consider is radio packet size, which is much smaller for Bluetooth than for WiFi. This means that the collision risk is lower for Bluetooth than for WiFi, and a Bluetooth transmission is more likely to disrupt a WiFi transmission than vice versa.</p>
| |smart-home|bluetooth|wifi| | When to use Wi-Fi over Bluetooth or vice versa in an IoT system? | 66 | <p>Basically when it comes to IoT, the two main communication methods which come to my mind are either Bluetooth or Wi-Fi. I know that there are others as well like ZigBee, Z-Wave but I would like to stay at either Wi-Fi or Bluetooth as they are supported by smart phones and tablets by default.</p>
<p><strong>Applicat... |
2016-12-06T18:53:54.020 | <p>Electronics are generally recyclable, that is not something specific to IoT devices. More specifically, your IoT device will typically provide a general purpose MCU.</p>
<p>Recycling an MCU is generally feasible. Even if the bootloader is locked down, you may be able to wipe the entire device using JTAG. It is deba... | |hardware|sustainability|upcycling|disposal| | Reusing / recycling a Petzi Treat Camera? | 70 | <p>A few years ago I helped crowdfund a <a href="https://www.amazon.ca/Petzi-Treat-Cam-Camera-Dispenser/dp/B008U73C46%3FSubscriptionId%3DAKIAILSHYYTFIVPWUY6Q%26tag%3Dduckduckgo-d-20%26linkCode%3Dxm2%26camp%3D2025%26creative%3D165953%26creativeASIN%3DB008U73C46" rel="nofollow noreferrer">Petzi Treat Camera</a> to feed m... |
2016-12-06T19:07:12.187 | <p>As a GSM capable device you must switch it to <a href="http://flight%20mode%20of%20GSM%20devices" rel="nofollow noreferrer">Airplane mode</a>. Which means the device RF interface must be completely shut down.</p>
<p>Basically what you have described can be any smart phone, and I believe those can be delivered by ai... | |batteries|gsm| | Can I send my GSM IoT device via airpost? | 78 | <p>Is legal to send my GSM IoT device which is powered by a ~2000 mAh (3.7 V) lithium polymer (LiPo) battery via air post? (Or even take it with me inside my suitcase?)</p>
<p>Also does it make a difference if the device is powered on or off?</p>
|
2016-12-06T19:21:46.890 | <p>In short, standardization and product developments are underway to address this problem. Until then, there are few simple answers that don't require some networking knowledge.</p>
<p>My humble suggestion is easy to implement, and will provide your local network with some protection (although it won't protect the In... | |security|networking| | Can I monitor my network for rogue IoT device activity? | 90 | <p>In order to mitigate or manage the risk from having some of the devices on my home network compromised, is it feasible to monitor network traffic so as to detect a compromise? </p>
<p>I'm specifically interested in solutions which don't require me to be a networking expert, or to invest in anything more than a chea... |
2016-12-06T19:32:33.480 | <p>The mbed <a href="https://developer.mbed.org/teams/mqtt/wiki/Using-MQTT" rel="noreferrer">mmqt library</a> doesn't seem to document any memory requirements as likely to be limiting, and can reasonably be assumed to be targetted at this sort of small-footprint device as an endpoint. You could fairly trivially import ... | |mqtt|microcontrollers|stm32|arm| | How can I implement MQTT on an STM32F030K6T6? | 96 | <p>The controller in question is an <a href="http://www.st.com/content/st_com/en/products/microcontrollers/stm32-32-bit-arm-cortex-mcus/stm32f0-series/stm32f0x0-value-line/stm32f030k6.html" rel="noreferrer">STM32F030K6T6</a>, which has an ARM® 32-bit Cortex® -M0 low power core, 32 kB Flash memory and 4 kB SRAM. It inte... |
2016-12-06T19:45:29.950 | <blockquote>
<p>What classifies a device as an Internet of Things device?</p>
</blockquote>
<p>As per my understanding, an IoT device:</p>
<ol>
<li><p>Serves a specific use case, e.g., Amazon Echo, Nest Cam, Belkin WeMo. This is key differentiation from computing devices such computers, smartphones or tablets.</p><... | |definitions| | What classifies a device as IoT? | 99 | <p>IoT stands for Internet of Things.</p>
<p>Would a fitbit or device that connects to a mobile phone or computer through Bluetooth the be considered IoT? What about radio controlled devices?</p>
<p>What classifies a device as an Internet of Things device?</p>
|
2016-12-06T19:45:41.323 | <p>Some of the improvements introduced with COAP might become less relevant with the introduction of HTTP/2 and HTTP/3 so will need to wait and see how the protocol war evolve.</p>
| |communication|coap|standards| | Is CoAP still used for IoT devices? | 100 | <p>I did a prototype project for work a few years ago that utilized the <a href="https://www.rfc-editor.org/rfc/rfc7252" rel="nofollow noreferrer">Constrained Application Protocol (CoAP)</a> for communicating with an Arduino board over a mesh network, but we put the brakes on the project due to a serious lack of securi... |
2016-12-06T20:22:47.717 | <p>There is a project <a href="http://elm-chan.org/fsw/ff/00index_e.html" rel="noreferrer">FatFs - Generic FAT File System Module</a> that offers FAT access for microcontrollers.</p>
<blockquote>
<p>FatFs is a generic FAT/exFAT file system module for small embedded systems. The FatFs module is written in compliance ... | |usb| | Can I implement FAT on a microcontroller to access USB/SATA drives? | 111 | <p>I am interested in connecting a 3.5" hard drive to an IoT device that I am building based on a microcontroller (e.g. an Arduino) which doesn't run a mainstream operating system. </p>
<p>As far as I know, to use a 3.5" hard-drive you need a full operating system (such as Linux or Windows) for device drivers to conne... |
2016-12-06T21:43:10.920 | <p>A tad late, but adding my experience for completeness and for a 2023 solution.</p>
<p>I have a almost fully automated home using the Fibaro system. It uses Zwave. I decided to go with Fibaro</p>
<ol>
<li>It was a more professional looking system</li>
<li>I asked vendors in NZ to show me their last home/install. O... | |wireless|zwave|zigbee| | Difference Between ZigBee and Z-Wave? | 131 | <p>I've have installed Z-Wave switches and outlets in a few places around my house. However, I noticed when purchasing the devices that there were a couple of different wireless options available in the brand I was looking at.</p>
<p>I'd be curious to know some of the pros/cons between Z-Wave and ZigBee devices. A com... |
2016-12-06T22:33:44.307 | <p>You'd track on several levels.</p>
<p>You track the truck with GPS, not the products. You track the individual shipments with <a href="https://en.wikipedia.org/wiki/ZigBee" rel="nofollow noreferrer">zigbee</a> or <a href="https://en.wikipedia.org/wiki/Radio-frequency_identification" rel="nofollow noreferrer">RFID</... | |communication|gps|tracking-devices| | How reliable is location tracking of shipments? | 134 | <p>I was reading about the tracking of parcels and other shipments, being a primary example of IoT applications. But I'm wondering about how reliable and precise the positioning would be. I have the impression that those tracking devices would not get any GPS signal in shipping containers, trucks or buildings, where th... |
2016-12-06T22:46:38.490 | <p>You should differentiate connection and session.</p>
<p>Everything is defined by the session. When MQTT connection is authorized to the broker first time, broker creates session for this connection, usually based on client-id connection parameter.</p>
<p>In MQTT 3.1.1 protocol (default currently in most clients/br... | |mqtt| | Confusion about client-server connection establishment in MQTT | 138 | <p>According to the <a href="http://docs.oasis-open.org/mqtt/mqtt/v3.1.1/os/mqtt-v3.1.1-os.html" rel="noreferrer">specifications</a>, it is always the client who should establish connection to a server.</p>
<blockquote>
<p>Client:</p>
<p>A program or device that uses MQTT. <strong>A Client always establishes th... |
2016-12-06T22:55:54.177 | <p>Generally speaking, an agent is a 'bi-directional' piece of software; i.e., it reads parameters <em>from</em> the device and the communicates the same <em>to</em> cloud or even a gateway. More often than not, an OEM will control the libraries for development of the software to control the parameters of the device. W... | |definitions| | What is an “Embedded Agent” in reference to a Low Powered IoT Edge Device? | 143 | <p><strong>Question:</strong> What is the underlining design behind an <strong>“Embedded Agent”</strong> in relationship to low powered Internet of Things (IoT) edge devices? </p>
<p>Some of the IoT cloud service vendors keep referring to installing an embedded agent on the sensor based edge devices. It appears to be ... |
2016-12-07T01:39:34.487 | <p>To begin with, if there are 'data issues', those issues should be taken up with the data service provider for violation of an agreed SLA. Next, there should be a offline data store option in your solution so that, the requirement of gathering data is taken care. If/when data coverage is available, the older data is ... | |mobile-data| | Data connection issues during when working with IoT devices | 149 | <p>Following my previous question <a href="https://iot.stackexchange.com/questions/137/how-cellular-technologies-benefits-for-iot">here</a>, what are solutions to overcome issues with the data connection (i.e. data out off-quota or I'm out of coverage) during the work with my IoT devices. Especially when working tackli... |
2016-12-07T07:17:05.313 | <p>I don't think there is currently a better option out there. It doesn't even need an app to work since it can provide URLs, it's open-source and more secure than the main competitors due to ephemeral IDs and they provide telemetry.</p>
<p><a href="https://blog.beaconstac.com/2016/06/googles-eddystone-vs-apples-ibeac... | |protocols|beacons|eddystone| | Connecting Proximity beacon with Mobile App | 155 | <p>We are planning to implement a proximity beacon network which provides information to the users app based on proximity in the store. Our objective is to cover a radius of 5-7 metres.</p>
<p>Which protocol has the better connectivity between the beacon and the iOS/Android app?</p>
<p>The Network will be as below,</... |
2016-12-07T11:27:43.337 | <p>The <a href="http://www.postscapes.com/internet-of-things-hardware/" rel="noreferrer">Postscapes IoT Hardware Guidebook</a> lists quite a few:</p>
<ul>
<li>BeagleBone</li>
<li>C.H.I.P.</li>
<li>Dragino</li>
<li>Espruino</li>
<li>Flutter</li>
<li>Hologram Dash</li>
<li>Kinoma</li>
<li>Libelium Waspmote</li>
<li>Marv... | |raspberry-pi|banana-pi| | Are there any IoT devices with fully open source hardware? | 176 | <p>Raspberry Pi is broadly used for IoT, and there is a lot of software for it. But I would like to know about any completely open source designs, including software and hardware (PCB, not components).</p>
<p>I have heard about <a href="http://www.bananapi.org/" rel="nofollow noreferrer">Banana Pi</a> but I'm not sure... |
2016-12-07T15:54:41.350 | <p>Give this <a href="https://community.smartthings.com/t/connect-wired-alarm-system-sensors-to-smartthings-with-a-nodemcu-esp8266-deprecated/76010" rel="nofollow noreferrer">one</a> a try.</p>
<p>It is talking about connecting your old wired sensor endpoints from the Alarm panel to Smartthings. There might be somethi... | |samsung-smartthings|sensors|home-security| | Repurpose ADT sensors | 191 | <p>My wife and I just purchased a new house and the ADT Security sensors were still installed, but no keypad panel. After speaking with a Rep on pricing and logistics, we decided not to continue the service. I asked about the existing hardware and the Rep said that should we decide to continue service we can continue t... |
2016-12-07T21:35:59.250 | <p>Currently, it appears that the SDK <a href="https://developer.home-connect.com/" rel="nofollow noreferrer">is still in beta</a>. However, you can apply for it and get a feel for how it will work with their simulator.</p>
<p>When it does finally come out, you should be able to do anything with it that you are able ... | |smart-home|kitchen-appliances|home-connect| | What capabilities does my Home Connect appliance provide in the developer SDK? | 196 | <p>The smart household appliances that can be controlled via <a href="http://www.home-connect.com/de/en" rel="noreferrer">Home Connect</a> 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 <a href="http://... |
2016-12-08T07:29:57.140 | <blockquote>
<p>But how about actuators?</p>
</blockquote>
<p>Yes <a href="https://en.wikipedia.org/wiki/Publish%E2%80%93subscribe_pattern" rel="noreferrer">pub-sub pattern</a> is applicable to actuators.</p>
<blockquote>
<p>Is this the way to go with actuators?</p>
</blockquote>
<p>This is one of the ways to go... | |security|publish-subscriber|actuators| | Is the Subscriber-Publisher pattern applicable also to actuators? | 203 | <p>There are tons of tutorials on the web, especially with <a href="https://www.rabbitmq.com/" rel="nofollow noreferrer">RabbitMQ</a>, on how to <em>publish</em> sensor data; for example, temperature, humidity, etc. Just publish the value to a message queue and anybody can consume it.</p>
<p>So far so good. But how ab... |
2016-12-08T10:03:57.357 | <p>Mirai attacks embedded linux. You would first need to get command line access to your IoT device. After that you can check the checksums of the read-only filesystem, and compare them to clean firmware versions. Sometimes companies have the original firmware online, or you can contact them for a copy. If you want to ... | |security|networking|mirai| | How can I check if my IoT devices are infected with the Mirai worm? | 211 | <p>I've recently heard about the <a href="https://en.wikipedia.org/wiki/Mirai_(malware)" rel="noreferrer">Mirai worm</a>, which infects vulnerable routers, IoT devices and other internet-connected appliances with insecure passwords. Mirai is suspected of being the cause of some of the <a href="https://www.theguardian.c... |
2016-12-08T13:07:28.870 | <ol>
<li><p>Many years ago I did analyse difference for using </p>
<p><strong>XML</strong> in payment network for payment transaction representation
(card_number, date, time, terminal_id, and list of additional elements) in comparation with traditional </p>
<p>bit-maped <a href="https://en.wikipedia.org/wiki/ISO_8583... | |communication|networking|xmpp| | Does XMPP have a large overhead for IoT devices sending short, frequent messages? | 221 | <p>I've been reading about XMPP as a potential communications protocol for IoT devices but, after reading one source, I'm unsure whether it's really an appropriate protocol if you're concerned about overhead for each message.</p>
<p><a href="https://exosite.com/embedded-iot-protocols-guide-part-ii-the-old-standards-of... |
2016-12-08T17:02:28.840 | <p>In <a href="https://eprint.iacr.org/2014/947.pdf" rel="noreferrer">"The Simon and Speck Block Ciphers on AVR 8-bit Microcontrollers"</a> <em>Beaulieu et al.</em> investigate the implementation of SIMON and SPECK on a low-end 8-bit microcontroller and compare the performance to other cyphers. An Atmel ATmega128 is us... | |security|simon|speck| | What, exactly, makes SPECK and SIMON particularly suitable for IoT devices? | 230 | <p>For some IoT devices, the data that needs to be sent is confidential, and hence sending it in plain text is not acceptable. Therefore, I've been considering how to encrypt data sent between IoT devices. An article I recently read on the <a href="http://www.rfidjournal.com/articles/view?13288" rel="noreferrer">RFID J... |
2016-12-09T12:28:02.783 | <p>Generally speaking you have to adjust the trigger for the motion detection. There's the sensitivity for the actual motion detection and that is as bravokeyl already says despite all technology most efficiently done by trial and error.</p>
<p>That might not work the same for all times of day due to low sun, clouds a... | |digital-cameras|home-security|surveillance-cameras| | My home monitoring camera sends me thousands of e-mails every day | 236 | <p>I've got a Linksys Wireless Internet Monitoring Camera (WVC54GCA with the recent firmware), which I've setup at home. I configured it to send me 5 second short videos to my e-mail on any physical movements during my absence. Despite my effort to configure the best settings, I still get the thousands of e-mails every... |
2016-12-09T12:57:28.410 | <p>There's another idea, also from <a href="http://support.thetrackr.com/hc/en-us/articles/205738069-My-TrackR-and-Phone-Randomly-Ring" rel="noreferrer">trackr's support page</a>. Again, it's also a feature that can be enabled/disabled, and that is "Device alert." Basically, it warns when your phone can no ... | |gps|tracking-devices| | TrackR keep ringing on its own | 238 | <p>At the beginning of 2014 I purchased a couple of coin sized <a href="https://thetrackr.com/" rel="nofollow noreferrer">TrackR devices</a> to tag my belongings, so I can easily find them. I use an iPhone to connect to them.</p>
<p>My main problem using these devices was that the ringer on these devices keeps on acti... |
2016-12-09T13:52:52.440 | <p>Okay, turns out he found the solution <a href="http://yourhome.honeywell.com/en/faqs/thermostat/wi-fi/lyric-t5-wi-fi/operation" rel="nofollow noreferrer">here</a>:</p>
<blockquote>
<p>If your commands are not responding, it means there is a disconnect between the app and Apple HomeKit. To resolve this use the follow... | |smart-home|apple-homekit| | Lyric T5 does not respond to commands via Apple Homekit | 243 | <p>I have a friend who has a <a href="http://www.apple.com/shop/product/HKJU2VC/A/honeywell-lyric-t5-wi-fi-thermostat" rel="nofollow noreferrer">Lyric T5 Wi-Fi thermostat</a> which he was controlling from his iPhone via Apple Homekit. Recently, all commands from his phone stopped reaching his device, demonstrating tha... |
2016-12-09T15:49:48.127 | <p>Most smart plugs I have come across are Wi-Fi controlled devices. </p>
<p>I expect the regulations would be similar to those imposed on a Wi-Fi router such as Technicolor's <a href="http://www.technicolor.com/sites/default/files/medialib/document/connected_home_certificate/tg582n_dslwbc582pa_conformity.pdf" rel="n... | |smart-home|standards|safety|smart-plugs|ac-power| | European Union Regulations for Smart Plugs | 250 | <p>If I want my smart plug design to be a commercial product in the EU it must surely meet some requirements, regulations or directives.</p>
<p>I know about the <a href="https://en.wikipedia.org/wiki/CE_marking" rel="nofollow noreferrer">CE</a> (Conformité Européenne) marking, which is mandatory in the European Econom... |
2016-12-09T16:27:00.090 | <p>As detailed in my answer to the precision question (<a href="https://iot.stackexchange.com/a/341/78">https://iot.stackexchange.com/a/341/78</a>) the current generation of sdcards doesn't seem to support inherent geo-location capabilities anymore. Furthermore, <a href="http://www.digitaltrends.com/photography/ricoh-e... | |geo-tagging|memory-cards|digital-cameras| | How to track a stolen Canon EOS camera using SDHC memory card? | 251 | <p>A few years back I've purchased an <a href="https://x2help.eyefi.com/" rel="noreferrer">Eye-Fi Pro X2</a> for my Canon EOS digital camera.</p>
<p>Unfortunately, the camera has been stolen and at that time I had my photo sync disabled in <a href="https://center.eye.fi/" rel="noreferrer"><em>Eye-Fi Center</em></a> (w... |
2016-12-09T18:01:33.013 | <p>Wikipedia's article on <a href="https://en.wikipedia.org/wiki/Weightless_(wireless_communications)#Setting_up_connections" rel="nofollow noreferrer">Weightless</a> states that the base station will determine an appropriate frequency to use by querying a database:</p>
<blockquote>
<p>In networks using Weightless-W... | |networking|weightless| | How can I determine TV 'white space' frequencies for use with Weightless-W? | 256 | <p><a href="http://www.weightless.org/about/weightlessw" rel="noreferrer">Weightless-W</a> promotes itself as a <em>"low power wide area (LPWAN) star network architecture operating in TV white space spectrum"</em>, and seems to suggest that this method of transmission has several favourable characteristics:</p>
<block... |
2016-12-09T18:32:35.510 | <p>Possibly they fall under the more general, top-level groups of the "Internet of Everything". This groups includes the Internet of things but is more broad and includes devices such as PCs, tablets, industrial computers and so on. A drone is bit more complex than the accepted definition of a thing in the IoT allows f... | |definitions|drones| | Are drones considered part of the IoT by any officials? | 257 | <p>To clarify <a href="https://iot.stackexchange.com/q/99/271">what classifies a device as IoT</a> on a specific example, are all flying drones (UAV) part of the Internet of Things? Or there is some minimum requirement to classify it as IoT? What's the stance of the relevant standardization organizations?</p>
|
2016-12-09T23:16:51.260 | <p>I have seen this behaviour when my hub was located next to my wireless router. One of the antenna sleeves on the router came off and disrupted communications to the hub from my lights & dimmer switches.</p>
<p>ZigBee and Wi-Fi frequencies overlap on certain channels (2.4 Ghz) so you could try to change the chan... | |philips-hue| | Hue Dimmer Switch frequently "ignored" by the light | 265 | <p>I've got multiple Hue White bulbs, multiple Dimmer switches and a second generation Hue hub. Sometimes, pressing a dimmer button doesn't result in the bulb reacting in any way. Sometimes I have to press multiple times to switch the light on or off. Sometimes I even have to use the hard switch to get what I need. All... |
2016-12-10T12:11:21.077 | <p>The WiFi we know and use now also share the 2.4 GHz frequency range with a lot of other technologies and applications which might interfere. If we have a look on the <a href="https://en.wikipedia.org/wiki/List_of_2.4_GHz_radio_use" rel="nofollow noreferrer">list of 2.4 GHz radio usage</a>, a couple of items are ther... | |networking|standards|wifi-halow| | Is Wi-Fi HaLow unsuitable for IoT applications because it operates in unlicensed frequencies? | 268 | <p>The Wi-Fi Alliance's relatively new <a href="http://www.wi-fi.org/discover-wi-fi/wi-fi-halow" rel="noreferrer">Wi-Fi HaLow</a> (802.11ah) specification seems to be ideal in some characteristics for IoT devices:</p>
<blockquote>
<p>Wi-Fi HaLow will enable a variety of new power-efficient use cases in the Smart Hom... |
2016-12-10T14:47:02.787 | <p>There are two advantages as far I know, here they are:</p>
<p>First: Snap packages can bring their own dependencies with them. So no dependency hell.</p>
<p>Second: Snap packages can be installed for one user only. So more control of who is running that software.</p>
<p>Some quotes (including source links):</p>
... | |ubuntu-core|snappy|package-managers| | What makes Ubuntu Core's "Snaps" better than normal packages for IoT devices? | 271 | <p><a href="https://www.ubuntu.com/core" rel="noreferrer">Ubuntu Core</a>, Canonical's latest version of Ubuntu for IoT devices, says that its new <a href="https://en.wikipedia.org/wiki/Snappy_(package_manager)" rel="noreferrer">Snappy</a> package manager is ideal for the Internet of Things, and Wikipedia says that:</p... |
2016-12-10T16:29:42.363 | <p>After some further investigation, I think the issue in the question is that although the <strong>power</strong> (rate of energy transfer) was reduced, the overall <strong>energy consumption</strong> was increased by using Docker, so there is no benefit in terms of reduced electricity costs.</p>
<p>Based on the pape... | |raspberry-pi|docker|power-consumption|linux| | Why does Docker reduce power usage on an Internet of Things device in this benchmark? | 277 | <p>I've been interested in the applications of Docker on IoT devices such as Raspberry Pis.</p>
<p>After reading <a href="https://arxiv.org/ftp/arxiv/papers/1603/1603.02955.pdf" rel="noreferrer"><em>A Performance Evaluation of Container Technologies
on Internet of Things Devices</em></a>, I was slightly confused by on... |
2016-12-10T21:21:05.620 | <p>Well, there is an online scheduling service you could use. <a href="https://ifttt.com/date_and_time" rel="nofollow noreferrer">If this then that</a> offers date time applets that can trigger certain events. They also do have <a href="https://ifttt.com/applets/415943p-fully-open-a-lightwaverf-trv-when-the-temperature... | |smart-home|lightwave-rf| | Schedule for Lightwave RF thermostat | 278 | <p>I have a LightwaveRF thermostatic radiator valve, and a hub to connect this to the internet. Setting a schedule seems particularly problematic. <a href="http://www.lightwaverf.com/product/922-radiator-wave/" rel="noreferrer">This</a> is the valve in question.</p>
<p>I have the option of an Android app, or the websi... |
2016-12-11T12:52:57.260 | <p>Okay, so this is a bit of a mess, but this is how I did it.</p>
<p>First, I tried with my German account to link it and had the same problem with skills. I could use Alexa in English, but not install skills. Frustrating.</p>
<p>Next, I created a second Amazon account in the USA and linked my Echo Dots, giving me... | |amazon-echo|alexa| | How to use English Alexa Skills on my German Echo Dot | 281 | <p>I want to use English Alexa skills on a German Echo Dot. But when I switch to US English to access English skills I get this problem:</p>
<blockquote>
<p><strong>Die ausgewählte Spracheinstellung stimmt nicht mit den Einstellungen Ihres Amazon-Kontos überein.</strong><br>
Daher werden Sie nicht auf Skills zugre... |
2016-12-11T14:38:28.760 | <p>Mesh networks tend to give better local configuration options for an IoT network. Range extension was already mention which the mesh network as each device in the network will help make the network bigger than each device would be alone. Another important aspect is how the messages are routed. While some devices wil... | |networking|topologies|mesh-networks| | Why are mesh networks used more frequently for IoT networks? | 286 | <p>Many common IoT communication protocols I've researched have adopted a mesh topology (for example <a href="https://en.wikipedia.org/wiki/ZigBee" rel="noreferrer">ZigBee</a>, <a href="https://en.wikipedia.org/wiki/Thread_(network_protocol)" rel="noreferrer">Thread</a> and <a href="https://en.wikipedia.org/wiki/Z-Wave... |
2016-12-11T17:01:25.687 | <p>I think this will be difficult to answer, ask three lawyers get four answers, not to mention that it is something in the future. However, I would argue, that not each device (in the technical sense) would be required to comply with this rule. </p>
<p>Consider a use case where smart devices work without an external ... | |standards|data-portability| | Will "smart" devices be required to allow import and export of data under the GDPR? | 287 | <p>In May 2018, the European Union's <a href="https://en.wikipedia.org/wiki/General_Data_Protection_Regulation" rel="noreferrer">General Data Protection Regulation</a> will come into force, and EU citizens will be given additional rights in regards to their data. As well as this, <em>data controllers</em> (organisation... |
2016-12-11T18:15:08.787 | <p>According to <a href="https://developer.ubuntu.com/en/snappy/start/gadget-snaps/" rel="noreferrer">developer.ubuntu.com</a>, there are basically <strong>two purposes</strong>:</p>
<p><em><strong>- Declare hardware capabilities to the system</strong></em></p>
<p>Quoting from <a href="https://docs.ubuntu.com/core/en/g... | |ubuntu-core|snappy| | What's the purpose of a gadget snap in Ubuntu Core? | 288 | <p>I've been looking into how to set up Ubuntu Core (the IoT version of Ubuntu) on a Raspberry Pi, and I've read about <a href="https://docs.ubuntu.com/core/en/guides/build-device/gadget" rel="nofollow noreferrer">gadget snaps</a>, which the documentation says is intended to define the device features:</p>
<blockquote... |
2016-12-12T09:07:24.593 | <p>Yes.</p>
<p>MQTT clients are connected to a broker which can be a cloud or some other device.</p>
<p>There is no such thing like creation of topic. They are used as a heading for a message. So if your client has subscribed to a topic and if it publish's something on that topic then the message will be received via... | |mqtt| | Can an MQTT client subscribe to a topic created by itself? | 294 | <p>In my understanding, in MQTT a topic is created once a client publishes something with the corresponding topic name.</p>
<blockquote>
<p>There is no need to configure a topic, publishing on it is enough.</p>
</blockquote>
<p>From <a href="https://mosquitto.org/man/mqtt-7.html" rel="noreferrer">here</a>.</p>
<p>... |
2016-12-12T18:41:55.573 | <p>One thing to remember when working with MQTT is that "both subscribers and publishers are considered MQTT clients". </p>
<p>As said QoS set while publishing is entirely related to broker(B) not the other clients. So to ensure that subscriber(S) is receiving everything that publisher(P) is publishing, one need to us... | |mqtt|communication| | Is there a way to preserve the MQTT QoS level until it reaches the client? | 298 | <p>MQTT allows senders to set a <a href="https://dzone.com/articles/internet-things-mqtt-quality" rel="nofollow noreferrer">Quality of Service</a> (QoS) level, which provides certain guarantees about whether a message will be received (and whether duplicates are permitted). This article from <a href="http://www.hivemq.... |
2016-12-12T22:09:41.117 | <p>The Harmony Hub creates virtual switches in the SmartThings app. If you authorize these with Google home, you can issue commands like "Turn on Watch TV" or "Turn off Watch TV"</p>
<p>The Google home integration can be found under Things -> Voice Control in the SmartThing's Marketplace. </p>
| |google-home|samsung-smartthings|logitech-harmony| | How to connect Google Home to Harmony hub through SmartThings | 300 | <p>I've just got the Google Home, and SmartThings hub. My TV is already controlled with Logitech Harmony Hub (Smart Home Hub).</p>
<p>How do I set it up so that saying "Ok Google, Watch TV" would trigger the harmony activity to watch TV?</p>
<ul>
<li><a href="http://www.bestbuy.ca/en-CA/product/logitech-logitech-harm... |
2016-12-12T22:12:08.497 | <p>I've tested this out extensively as I really want to be able to verbally initiate one of my Youtube playlist via Google Home.</p>
<p>The good news is that can, but only for your Liked videos. I use a Routine to initiate this (because it gives you flexibility that specify a preferred verbal command. Here's how I hav... | |google-home|chromecast| | How to instruct Google Home to play YouTube videos from *my* playlists | 301 | <p>Everytime I ask Google Home to play a YouTube video, it searches for (seemingly) random playlists that may contain that video... sometimes it doesn't.</p>
<p>I have my own playlists, with a specific video.</p>
<p>How do I instruct Google Home to play a video from <strong>my</strong> YouTube playlist?</p>
<p><em>E... |
2016-12-12T23:29:34.063 | <p>I ma using <code>Fibaro Automation</code> with <code>Automation Bridge</code> with Alexa. I can just say</p>
<ul>
<li>Turn on All Lights or</li>
<li>Close All Blinds.</li>
</ul>
<p>Thats just built in.</p>
<p>For further refinement, I have created groups so I can say things like</p>
<ul>
<li>Turn on Living Room Lig... | |alexa|samsung-smartthings| | How can I use Alexa to turn on/off multiple lights at the same time with SmartThings hub? | 303 | <p>I have various lights/switches/dimmers on a SmartThings hub. I can control them individually, but would like to say something like "Alexa turn on everything" to turn on all lights, or maybe "turn on movie time" to dim the lights turn off the kitchen lights, etc.</p>
<p>Hue has 'scenes' is there something similar fo... |
2016-12-13T05:24:14.113 | <p>See these <a href="https://developer.amazon.com/public/solutions/alexa/alexa-skills-kit/docs/developing-an-alexa-skill-as-a-lambda-function" rel="nofollow noreferrer">instructions</a>.</p>
<p><a href="https://developer.amazon.com" rel="nofollow noreferrer">Create</a> an AWS developer account & AWS account. </p>... | |alexa|amazon-echo|voice-recognition| | How do I configure Alexa to access a REST API? | 306 | <p>I have several lights connected to relays which are connected to a <a href="https://www.seeedstudio.com/Wio-Link-p-2604.html">wiolink</a> </p>
<p>I can turn the lights on and off through the REST API, like so:</p>
<pre><code>curl https://us.wio.seeed.io/v1/node/GroveRelayD0/onoff/[onoff]?access_token=xxxxx
</code>... |
2016-12-13T17:52:50.617 | <p><strong>Yes, Mosquitto does support multiple brokers.</strong></p>
<p>Mosquitto uses <a href="https://mosquitto.org/man/mosquitto-conf-5.html">MQTT Bridges</a> to connect multiple brokers thus routing messages between these mosquitto brokers. This way a bridge between your primary broker to a fallback system can be... | |networking|mqtt|mosquitto| | Can Mosquitto support multiple brokers? | 318 | <p>I've been considering <a href="https://mosquitto.org/">Mosquitto</a> for a MQTT message broker for a home IoT network, but I'm concerned that the broker could be a single point of failure which could bring down my whole network if it failed, since all messages have to go through the broker and no messages can be tra... |
2016-12-14T07:51:18.677 | <p>You should be able to do this now with Alexa's <a href="https://developer.amazon.com/docs/custom-skills/understand-name-free-interaction-for-custom-skills.html" rel="noreferrer">name free interaction</a>.</p>
<blockquote>
<p>To make your skill more discoverable for name-free interaction, you can implement the the... | |smart-home|alexa| | How to write custom Alexa Skills without 'Ask xxxx' | 323 | <p>I am currently using fauxmo to send custom commands to various devices to turn them on/off (For instance I have a WiFi to IR converter to control my Tuner & TV) and I can turn the tv on/off with this.</p>
<p>I also have Kodi integration setup, so I can say:</p>
<pre><code>Alexa, Ask Kodi to set volume to 50%
<... |
2016-12-14T16:06:03.037 | <p>According the <a href="http://www.eng.auburn.edu/~wilambm/pap/2008/A%20Neural%20Network%20Implementation%20on%20an%20Inexpensive%20Eight%20Bit%20Microcontroller.pdf" rel="nofollow noreferrer">first paper</a>, running is not a problem. That was the purpose. Only there is a limitation on the maximum weights:</p>
<blo... | |smart-home|microcontrollers|machine-learning| | Is it possible to run and train a neural network on an 8-bit microcontroller? | 327 | <p>I've recently read about neural networks in constrained environments (in particular, <a href="http://www.eng.auburn.edu/~wilambm/pap/2008/A%20Neural%20Network%20Implementation%20on%20an%20Inexpensive%20Eight%20Bit%20Microcontroller.pdf" rel="nofollow noreferrer">A Neural Network Implementation on an Inexpensive Eigh... |
2016-12-14T20:02:23.297 | <p><strong><em>What does it actually monitor?</em></strong> </p>
<p>From the company's web site:</p>
<blockquote>
<p>Lively pillbox activity sensors monitor daily medication activity and
create an alert whenever anything is missed</p>
</blockquote>
<p>They also have a web based dashboard, which relatives o... | |sensors|monitoring|lively-medical-alert| | What does the Lively Medical Alert Watch Monitor? | 329 | <p>According to <a href="http://www.makeuseof.com/tag/internet-things-10-useful-products-must-try-2016/" rel="nofollow noreferrer">MakeUseOf.com</a>, the Lively Medical Alert Watch...</p>
<blockquote>
<p>... allows remote health monitoring of your loved ones. The smartwatch can track steps taken as well as other kin... |
2016-12-14T23:40:40.147 | <p>Turns out there is no broker running on the Arch system whereas installing <code>mosquitto</code> on Raspbian automatically starts it. Simply enable and start the broker.</p>
<p>Start the systemd service.</p>
<pre><code>systemctl start mosquitto
</code></pre>
<p>Enable the systemd service to run on boot.</p>
<pr... | |mqtt|raspberry-pi|mosquitto|linux| | mosquitto_sub "connection refused" on Arch Linux | 332 | <p>So I installed <code>mosquitto</code> and <code>mosquitto-client</code> on a Raspberry Pi running Raspbian Jessie through <code>apt-get</code> as well as <code>mosquitto</code> on another Pi running Arch Linux through <code>pacman</code>. On Arch the client utils do not need to be installed separately.</p>
<p>Testi... |
2016-12-15T01:50:27.427 | <p>I think it is important to consider that there are many different use cases for MQTT brokers, as with any piece of software.</p>
<p>Handling chat messages for a billion users (many users, relatively low message rate per user) is different to a system with few clients but a high message rate, and they are both diffe... | |mqtt|mosquitto| | Don’t subscribe to # - so how to dump all messages to database with Mosquitto? | 334 | <p><a href="http://www.hivemq.com/blog/mqtt-essentials-part-5-mqtt-topics-best-practices" rel="noreferrer">HiveMQ's blog</a> 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 wit... |
2016-12-15T17:20:02.280 | <p>As you say, it depends on the server implementation, especially the QoS of the transmitted message if it is "at least once".</p>
<p>IMHO MQTT is a broadcasting system, not a end-to-end protocol between two machines so we don't absolutely need a subscriber every time we create a subject. </p>
<p>I can post anything... | |mqtt| | What happens when there is not any subscriber to a topic in MQTT? | 347 | <p>The situation is the following:</p>
<p>There is a client, a publisher, it is not subscribed to any topic. This client <strong>has a single topic</strong> of its own, and publishes data reguraly to it. But <strong>there are not any other clients</strong> that are subscribed to this topic.</p>
<p>So this poor and lone... |
2016-12-15T19:15:28.667 | <p><strong>Yes and no.</strong></p>
<p>Both technologies are concerning different levels of providing connectivity. Usually mesh networking is provided by level 3 or 4 or even both of the <a href="https://en.wikipedia.org/wiki/OSI_model#Description_of_OSI_layers" rel="nofollow noreferrer">ISO OSI model</a>, depending ... | |publish-subscriber|mesh-networks|thread| | Do protocols based on the publish-subscribe pattern negate the benefits of mesh networks? | 348 | <p>Protocols that are modelled on the <a href="https://en.wikipedia.org/wiki/Publish%E2%80%93subscribe_pattern" rel="noreferrer">publish-subscribe pattern</a> such as <a href="https://en.wikipedia.org/wiki/MQTT" rel="noreferrer">MQTT</a> and <a href="https://en.wikipedia.org/wiki/Advanced_Message_Queuing_Protocol" rel=... |
2016-12-16T05:30:25.000 | <p>Another area to consider is corrosion in electrical signal paths, particularly in tropical climates close to the ocean. If the metal electrical connections are expose to the elements the conductive medium starts deteriorating cause a change in electrical signal. Therefore good mechanical packaging might be something... | |smart-home|safety|sensors| | Using LP Gas Sensor in a Smart Home Safety System | 351 | <p>We are making a smart home safety system for a small academic project (Yes. I am a newbie for this). We need a <em>Gas Sensor (LP Gas)</em> for the project, but there are a few questions that I have.</p>
<p>I found the <a href="https://www.sparkfun.com/datasheets/Sensors/Biometric/MQ-6.pdf" rel="noreferrer">MQ-6 Se... |
2016-12-16T17:05:08.647 | <blockquote>
<blockquote>
<p>By saying a key phrase Amazon calls a “wake word” the Echo comes to life and begins listening for commands. By default, the wake word is Alexa.</p>
<p>If you reread that last sentence it may not make sense, especially if you are in the security field. According to Amazon, the... | |amazon-echo|privacy| | Is the Amazon Echo 'always listening' and sending data to the cloud? | 357 | <p>Several news sources such as <a href="https://www.intellihub.com/amazon-echo-is-the-ultimate-spy-device/" rel="noreferrer">Intellihub</a> and <a href="http://www.cepro.com/article/amazon_echo_always_listening_feature_worries_security_experts" rel="noreferrer">CEPro</a> seem to suggest that Amazon's Echo home assista... |
2016-12-17T10:04:23.207 | <p>I would either go with RS485 or CAN because with long buses a lot of noise can be picked up. These are the most noise resistant as both of them use differential, twisted data lines.</p>
<p><a href="http://www.rs485.com/rs485spec.html" rel="nofollow noreferrer">RS485 supports</a> distances up to ~1,200 meters with a ... | |protocols|sensors|wired| | Wired sensor protocol for buildings monitoring sensors? | 360 | <p>Assuming I cannot use wireless technologies such as <a href="https://www.lora-alliance.org/" rel="noreferrer">LoRa</a>, <a href="https://www.thefastmode.com/wiki-networking/5432-lte-for-m2m-lte-m" rel="noreferrer">LTE-M</a> or <a href="https://en.wikipedia.org/wiki/Sigfox" rel="noreferrer">SigFox</a> in the environm... |
2016-12-17T19:45:47.387 | <p>The linked article is a little misleading. The interface provided by IFTTT is not completely open, it requires a key in the request. Since the request is made using HTTPS, the secret is not directly observable (provided your client always reliably connects to IFTTT, not a mitm proxy).</p>
<p>From the <a href="https:... | |security|ifttt|one-time-password| | How do I generate a Time-based One-time Password with IFTTT? | 374 | <p>I recently registered with <a href="https://ifttt.com/discover" rel="nofollow noreferrer">IFTTT</a>, which seems like a fantastic service to chain events together in order to create a smart home or automate various services.</p>
<p>I've just found the <a href="http://makezine.com/2015/06/26/ifttt-adds-new-channel-ma... |
2016-12-17T23:09:56.763 | <blockquote>
<p>Is it possible to automatically switch my TV, my home cinema system
and FireTV on and set all of them to the proper input modes when they
booted?</p>
</blockquote>
<p>Yes, this is a standard activity. Here are two sample activities:</p>
<ul>
<li><strong>Watch Roku</strong> - Receiver power on, R... | |logitech-harmony| | What can I actually do with a Harmony Hub? | 379 | <p>I am considering getting a <a href="https://secure.logitech.com/en-us/product/harmony-hub?crid=60" rel="nofollow noreferrer">Logitech Harmony Hub</a>. It's my understanding that I can define activities which can entail using certain commands of the compatible devices. However, I am unable to find what kind of action... |
2016-12-18T01:46:59.720 | <p><strong>Yes, apparently that's possible.</strong></p>
<p>In <a href="http://www.smarterhomeautomation.com/reviews/wink-hub-review-nest-google-echo/wink-hub-review-nest-google-echo-7/" rel="nofollow noreferrer">this blog</a> some possibilities of connecting Nest with Wink robots are described.</p>
<blockquote>
<p>The... | |nest-thermostat|wink-hub| | Can the Wink Hub 2 "listen" for away status from the Nest Thermostat v3? | 380 | <p>I know that I can control a Nest thermostat from a Wink Hub (and app) by "pushing" commands to the thermostat (e.g. "turn up the temperature"). However can the Wink hub be notified when the Nest thermostat detects that I'm away? I want to use the away status as a trigger for a Wink Robot (e.g. "When I'm away, turn o... |
2016-12-18T12:20:17.227 | <p>IFTTT have now launched a <a href="https://ifttt.com/blog/2017/05/calling-all-makers" rel="nofollow noreferrer">maker platform</a> which appears to support filters and chaining. I've not yet worked out if it has timers and cloud side variables/storage. </p>
| |ifttt|connector-services| | Can triggers be chained with IFTTT? | 387 | <p>When using IFTTT, it's trivial to connect one trigger (<em>if this</em>) to one event/output (<em>then that</em>). However, I'm interested in using IFTTT for a slightly more complex query, along the lines of <em>"if this happens 3 times, do that"</em>.</p>
<p>A <a href="https://www.quora.com/Can-you-use-two-or-more... |
2016-12-18T18:41:59.190 | <p>A lot of people have struggled with this. No charter appears to be forthcoming, because the interests of the cloud providers lies in locking their hardware users in, based on the potential future profits to be made from subscribers. The more dependent you are upon their cloud, the more you'll be theoretically will... | |standards|sustainability|open-source| | Are there any initiatives to prevent IoT obsolescence? | 395 | <p>I've been reluctant to invest in many IoT devices, especially externally managed/subscription based devices because of issues having to deal with the closure of management services due to issues like planned obsolescence and corporate take-overs of parent companies, for example like what's happening with <a href="ht... |
2016-12-19T15:11:44.747 | <p>According to <a href="https://support.smartthings.com/hc/en-us/articles/204733384-Does-SmartThings-work-with-Nest-" rel="noreferrer">SmartThings's Support Page</a>:</p>
<blockquote>
<p>SmartThings doesn’t officially support Nest at this time, but many users instead utilize a custom integration created by a develo... | |samsung-smartthings|nest-thermostat| | SmartThings Hub and Nest Thermostat | 400 | <p>Is it currently possible to link a Nest thermostat with the Samsung SmartThings Hub?</p>
<p>The Nest is not available in the list of thermostats to add, within the SmartThings App. However, is there at least a SmartApp that allow a bit more automation?</p>
<p>If not, is there a newsletter or RSS feed to let me kno... |
2016-12-19T20:56:30.947 | <p>The question here appears to be "should I use MQTT over TCP, or use MQTT over websockets (which also goes over TCP)?" In other words, is "encapsulating MQTT in the websockets protocol a good idea?"</p>
<p>This is (almost) entirely down to your application and whether you need websockets support - probably for consu... | |mqtt|mosquitto|web-sockets| | Should I use Mosquitto's web sockets or connect clients directly? | 405 | <p>According to <a href="http://jpmens.net/2014/07/03/the-mosquitto-mqtt-broker-gets-websockets-support/" rel="noreferrer">this blog</a>, Mosquitto (the MQTT broker) now supports connecting to clients over web sockets. The blog article seems to hint that web sockets are more useful for browser applications, since web b... |
2016-12-20T16:56:18.117 | <p>Apparently not. <a href="http://www.zdnet.com/article/alexa-times-two-can-two-amazon-echos-find-love-and-happiness-in-one-home/" rel="noreferrer">This blog discusses the current impossibility of the synchronized alarms.</a> I couldn't find any information that suggests that they changed it by now. However as the blo... | |alexa|amazon-echo| | Will alarms set on one Amazon Echo be shared with all other devices in the same home? | 411 | <p>With the Amazon Echo, it's easy to set an alarm that will be triggered on the same device that the alarm was created, however it isn't always useful if you're not going to remain in the same room when you expect the alarm to fire (e.g. if you set an alarm in the kitchen to wake you up in the morning).</p>
<p>The Ama... |
2016-12-21T15:29:08.313 | <p><strong><em>No, it doesn't at the moment.</em></strong> The only <em>this</em> block that supports custom entries is the trigger block you cited yourself already. That function block does not support any special characters to be entered that would be necessary to define IFTTT variables.</p>
<p>So yes, you do have t... | |alexa|ifttt| | Does IFTTT's Alexa channel support 'text ingredients'? | 431 | <p>IFTTT has support for Amazon Echo (and the Alexa assistant) through the <a href="https://ifttt.com/amazon_alexa" rel="noreferrer">Amazon Alexa</a> channel. Some channels allow you to specify variables, known as <em>ingredients</em>, from a trigger which will be passed into the output event.</p>
<p>The <a href="https... |
2016-12-22T10:08:33.430 | <p>Although decentralised networks often look appealing as a solution, there are a few compelling advantages of centralised networks which make them far more popular at the minute.</p>
<h2>Design Overhead</h2>
<p>Understanding, programming and setting up a decentralised network is often much more challenging than a t... | |security|networking| | Disadvantages of decentralized peer-to-peer networks in IoT | 434 | <p>I have recently read an <a href="https://techcrunch.com/2016/06/28/decentralizing-iot-networks-through-blockchain/" rel="noreferrer">article</a> about why IoT should switch from the now dominant centralized (server - client) model to a decentralized peer-to-peer solution.</p>
<p>Reasons against centralization:</p>
<... |
2016-12-22T18:17:24.193 | <p>Great question! I found an article from <a href="http://www.radio-electronics.com/articles/wireless-technology/thread-wireless-networking-for-the-iot-160" rel="noreferrer">radio-electronics.com</a> which really helps explain in some more detail how Thread works. Basically, the first eligible router node self-desig... | |thread| | How does Thread elect a Leader device? | 439 | <p>Thread have produced a document about their protocol, <a href="http://threadgroup.org/Portals/0/documents/whitepapers/Thread%20Stack%20Fundamentals_v2_public.pdf" rel="noreferrer"><em>Thread Stack Fundamentals</em></a>, which I've been reading to try and understand more about how Thread works.</p>
<p>On page 5, the... |
2016-12-23T17:48:03.313 | <p>The reason you see such a difference between ANT and BLE is the use case is very different for ANT. Sports use cases are looking for data from a "UDP" type of view where they just want the most recent information and don't need to send much information but they need to send it often. </p>
<p>For example, BLE can be... | |wireless|power-consumption|ant| | Power consumption of ANT/ANT+ compared to other wireless sensor network technologies | 447 | <p>ANT/ANT+ is a proprietary but open access multicast wireless sensor network technology. It's data rate and the resulting application throughput of 20 to 60 kBit/s is significantly reduced compared to its competitors, i.e. Bluetooth and ZigBee. For applications that get along with that restriction and a physical ran... |
2016-12-23T17:50:13.340 | <blockquote>
<p>Can it suspend its network connection and act as a Sleepy End Device, or does the networking component need to be on all the time?</p>
</blockquote>
<p>They can be sleepy end devices! but, <code>the Network device is still ON.</code></p>
<p>According to the definition <code>"Sleepy end devices are h... | |thread| | Can Router-eligible End Devices sleep in Thread networks? | 450 | <p>In <a href="http://threadgroup.org/Portals/0/documents/whitepapers/Thread%20Stack%20Fundamentals_v2_public.pdf" rel="noreferrer"><em>Thread Stack Fundamentals</em></a>, the four types of devices in a <a href="http://threadgroup.org/" rel="noreferrer">Thread</a> network are outlined on page 5/6:</p>
<ul>
<li>Border ... |
2016-12-24T10:49:17.220 | <p>Some ideas - I've not covered all combinations of with/without username/TLS, hopefully you can see where they are missing.</p>
<p>Can a client connect anonymously, no TLS?</p>
<pre><code>mosquitto_sub -t test/topic -h <broker address>
</code></pre>
<p>Can a client connect if it provides a username but no pa... | |security|mqtt|mosquitto|testing| | What simple security tests can I perform on my MQTT network? | 452 | <p>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 a client on my phone (Android).</p>
<p>My goal is to have a simple ... |
2016-12-26T17:57:22.777 | <p>I'm a few hundred kilometers away from my Echo, so unfortunately I can't test anything. I found no way to deactivate the sound altogether. If I recall correctly however that waking <em>hello</em> is tied to the usual volume levels one sets. </p>
<p>Fortunately that volume level is different from the timer and alarm... | |amazon-echo| | How do I stop an Amazon Echo from making a sound after restarting? | 458 | <p>When booting, the Amazon Echo plays a sound and says 'hello', which is usually not a problem, but I'm concerned that if I have a power failure in the night, the Echo might reboot and play a loud sound, waking me up.</p>
<p>One user seems to have experienced a similar problem on the <a href="https://www.amazon.com/f... |
2016-12-26T19:41:54.513 | <p>On the <a href="https://myactivity.google.com/myactivity?product=29" rel="noreferrer">Voice & Audio</a> section of the Google My Activity page, you can see your history. The recordings it keeps are only after triggering it to wake up with the wake word (OK Google). It also has the ability to delete your history.... | |google-home|privacy|google-assistant| | Does the Google Home record conversations to target advertisements? | 459 | <p>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:</p>
<blockquote>
<h2>Does Google use my conversation history to personalize the ads I see?</h2>
<p>If you interact with the Google Assist... |
2016-12-26T20:08:51.040 | <p>First, the quote seems to have been about securing mobile devices, not about "an IoT network of diverse sensors", but some lessons can perhaps still be drawn.</p>
<p>Unlike with a mobile device, an "IoT network" of sensors tends to imply that they aren't all in the same place, so a user likely can't be expected to ... | |security|sensors|machine-learning|biometrics| | Will multiple simultaneous biometric sensors create unbreakable security for devices? | 460 | <p><a href="http://www.eetimes.com/document.asp?doc_id=1330938" rel="nofollow noreferrer">This article</a> quotes the CEO of Image Ware, </p>
<blockquote>
<p>[The solution] according to Miller, is multi-modal biometrics which he claims makes
it virtually impossible for the wrong person to access computer
systems... |
2016-12-26T20:58:24.230 | <p>What <a href="http://internetofeverything.cisco.com/sites/default/files/docs/en/ioe-value-index_Whitepaper.pdf" rel="noreferrer">Internet of Everything</a>'s aim is:</p>
<blockquote>
<p>connecting the unconnected — people-to-people (P2P),
machine-to-people (M2P), and machine-to-machine (M2M) — via the
Inter... | |definitions| | What is the difference between the Internet of Things and the Internet of Everything? | 463 | <p>As the title says: What is the difference between the Internet of Things and the Internet of Everything and should I care?</p>
<p>I came cross two concepts the <em>Internet of</em> <strong>Things</strong> and the <em>Internet of</em> <strong>Everything</strong>. Can anyone help me understand: How do the two topics ... |
2016-12-27T14:37:44.390 | <p>The <a href="https://datatracker.ietf.org/doc/html/draft-ietf-6lowpan-hc-15#section-3" rel="nofollow noreferrer">RFC draft</a> explains a bit better how the header compression works. What is described as <em>arbitrary prefixes</em> in the abstract is essentially a bunch of information that is assumed to be in a cert... | |networking|6lowpan|compression| | Why does 6LoWPAN use additional header compression? | 480 | <p>I've been reading about the <a href="https://en.wikipedia.org/wiki/6LoWPAN" rel="nofollow noreferrer">6LoWPAN</a> 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.</p>
<p>Wikipedi... |
2016-12-27T20:41:07.707 | <p>To achieve 2FA in MQTT network I have created following services for authentication which are connected to Broker.</p>
<ol>
<li>ID verifier</li>
<li>Token Generator</li>
<li>Token Verifier</li>
</ol>
<p>When MQTT client connects to broker over SSL/TLS, it first publishes its own ID to <em>device_id</em> topic, the... | |security|mqtt|authentication| | How can I use 2FA in an MQTT network? | 496 | <p>How can I use 2FA (two factor authentication) when I connect a new device to the broker, if it is even possible?</p>
<p>Because it seems easier, the second factor can be a software solution first but I would welcome ideas on how to introduce hard tokens (RFID maybe).</p>
<p>It would make sense if the devices shoul... |
2016-12-28T04:25:34.443 | <p>The Nest Protect seems to have three self-testing mechanisms:</p>
<ul>
<li><p>The <a href="https://nest.com/support/article/What-is-Self-Monitoring" rel="nofollow noreferrer">Self Test</a>, which runs every <strong>200 seconds</strong>, and tests power, smoke/CO sensors and Wi-Fi</p></li>
<li><p>The monthly <a href... | |smart-home|testing|nest-protect| | How does the Nest Protect autotest? | 498 | <p>I've been reading about Nest's various devices, and one particularly useful device has come to my notice: <a href="https://nest.com/smoke-co-alarm/meet-nest-protect/" rel="noreferrer">Nest Protect</a>. However, one thing still puzzles me. It says on their web page that: </p>
<blockquote>
<p>The new Nest Protec... |
2016-12-28T10:48:46.470 | <p>You may be interested in the <a href="http://www.skein-hash.info/" rel="noreferrer">Skein</a> family of cryptographic hash functions, which are designed to be efficiently implemented on a wide variety of small and large processors. You can trade RAM for speed, or vice versa. The hash can be implemented with as few ... | |security|microcontrollers|pic|cryptography| | Cryptographic algorithms for PIC16 microcontrollers | 499 | <p>I'm planning to implement my own home automation system. In will contain the central Raspberry PI server and a number of sensors and switches based on 8-bit PIC16 microcontrollers which are communicating to the central Raspberry PI over the radio (using nRF24L01, 2.4GHz).</p>
<p>As an example consider <a href="http... |
2016-12-28T14:58:17.327 | <p>15 minutes after ringing my Ring doorbell (notifications from the Ring app come literally instantly) my lights (also instant from the app) blink.</p>
<p>20 seconds after pressing a Amazon AWS Dash button, the function is executed.</p>
<p>Point is: The delay can be anywhere from 5 seconds, to 50 minutes. Do <strong... | |ifttt| | How delayed can IFTTT triggers be? | 503 | <p>I've been using IFTTT for various tasks, and it works relatively well, but for the triggers I've been using (RSS feed updates) the update time is quite slow (up to 15 minutes of delay after the feed is updated. For high-frequency feeds, 15 minutes is a severe delay, but in my use case this is manageable, so I'm not ... |
2016-12-28T20:11:52.857 | <p>If the <code>clientid</code> is the same, in MQTT, the spec says you must consider them to be the same client!
Probably Y should be connected using the <code>Id</code> and <code>X</code> should be disconnected.</p>
<p>This part is from the documentation:</p>
<blockquote>
<p>If validation is successful the Server... | |mqtt| | What will be the result of the following connection scenario in an MQTT network? | 504 | <p>In MQTT it is the client who initiates the connection with a CONNECT message.</p>
<p><a href="https://i.stack.imgur.com/UAIFW.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/UAIFW.png" alt="MQTT Connect Package parameters"></a></p>
<p>The first field of the packet is the <code>clientId</code>:</... |
2016-12-29T13:40:07.297 | <p>Having used X10 and now Zwave for complete home automation (I mean everything, doors, blinds, lights, towel rails, water pump, hot water, heat pumps etc), I would sit on the fence.</p>
<p>You may need a server (or PC) running all the time, and a UPS for it too. Each light is controlled by a device which is running ... | |smart-home|power-consumption| | Do Internet-connected lighting systems save energy overall? | 512 | <p>Many manufacturers of 'smart lighting' systems claim that connecting your lights to the Internet of Things will save energy. For example, Samsung SmartThings use energy savings as <a href="https://www.smartthings.com/uses/lighting-energy" rel="noreferrer">a key selling point</a>, and have a <a href="http://blog.smar... |
2016-12-30T18:30:39.377 | <p>Very old question, but still active, so it deserves an updated answer.</p>
<p>Yes, OpenHAB 3 is fully integrated with Google Assistant via their myopenHAB.org cloud bridge.</p>
<p><a href="https://www.openhab.org/docs/ecosystem/google-assistant/#google-assistant-action" rel="nofollow noreferrer">https://www.openhab.... | |google-assistant|openhab| | Does openHAB support the Google Assistant? | 526 | <p>I've been considering using <a href="http://www.openhab.org/" rel="noreferrer">openHAB</a> recently as my home automation system, but I'd like to connect a Google Home to it so I can control the system with my voice.</p>
<p>It looks like openHAB <a href="https://github.com/openhab/openhab-alexa" rel="noreferrer">su... |
2016-12-31T14:39:51.280 | <p>I finally succeeded in finding the correct command on this <a href="https://www.kepware.com/support/knowledge-base/default.asp?solution=/_ui/selfservice/pkb/PublicKnowledgeSolution/d?&id=50133000000f9YF" rel="noreferrer">site</a>. It is:</p>
<pre><code>net start mosquitto
</code></pre>
<p>It can be run from an... | |mqtt|mosquitto|microsoft-windows| | How to start Mosquitto broker service on Windows 7 from command prompt? | 528 | <p>I have set up <a href="https://mosquitto.org/" rel="noreferrer">Mosquitto MQTT</a> on my Windows 7 laptop. I have performed the installation process according to this step by step <a href="https://sivatechworld.wordpress.com/2015/06/11/step-by-step-installing-and-configuring-mosquitto-with-windows-7/" rel="noreferre... |
2016-12-31T15:09:40.377 | <p>I know you wrote that you would rather not purchase additional hardware, yet at least this is an option. You can easily use the Harmony hub, here is how to do it: <a href="http://www.voicedesigned.com/?q=content/controlling-your-entertainment-system-alexa-and-harmony-hub" rel="noreferrer">Controlling Your Entertain... | |alexa|wake-on-lan|microsoft-xbox| | How can I boot an Xbox One remotely using Amazon Alexa? | 530 | <p>I've been researching how to control an Xbox One through Alexa, but I can't find a straightforward way to achieve this. A <a href="https://www.reddit.com/r/amazonecho/comments/4c1prj/alexa_and_xbox_one_integration_possible/d1elbk4/" rel="noreferrer">reddit thread</a> suggests using the Blumoo remote, but I'd rather ... |
2017-01-01T19:05:42.300 | <p>What it looks like they're trying to do is establish semantic definitions for messages and rules that can be interpreted or processed at any layer, and that the layers can be migrated up or down. So yes, a home hub could be a fog node, but only if it supports the fog behaviors and messages.</p>
<p>Think of a typic... | |definitions|fog-computing|openfog| | What would a "fog node" consist of in OpenFog? | 543 | <p>The <a href="https://www.openfogconsortium.org/" rel="noreferrer">OpenFog Consortium</a>, a group that is working on an open <em>fog computing</em> specification, has published a <a href="https://www.openfogconsortium.org/wp-content/uploads/OpenFog-Architecture-Overview-WP-2-2016.pdf" rel="noreferrer">white paper ab... |
2017-01-02T00:22:15.090 | <p>My experience at least with Outlook Calendar events. If I set the event to give me a reminder at a certain time prior to the event, my echo device will give me a voice prompts the time. For instance, I have an event tomorrow at 6PM. I set the event in Outlook Calendars to remind me 24 hours prior. My Echo just r... | |alexa|amazon-echo| | Can you setup Alexa to remind you about calendar events? | 546 | <p>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?</p>
|
2017-01-02T11:57:42.960 | <p>I've just tried it with mine but she says I don't have any books in my Audible account. I do have books in my kindle account so I guess it is not rolled out in the UK yet.</p>
<p>I wasn't trying to use Audible as I don't have an Audible account. I've now tried the keyword "Listen to a Kindle book" with a book name ... | |alexa|amazon-echo|united-kingdom| | Can Alexa read Kindle books in the United Kingdom? | 549 | <p>Is there any way to make Alexa read Kindle books in the UK? I couldn't find any options to do that. </p>
|
2017-01-02T12:35:09.203 | <p>It is possible to enable any skill by voice, provided you already know the name of the skill.</p>
<p>The <a href="https://www.amazon.co.uk/gp/help/customer/display.html?nodeId=201848700" rel="noreferrer">Amazon documentation</a> for adding skills is relatively straightforward:</p>
<blockquote>
<p>If you know the exa... | |alexa|amazon-echo| | Can you teach Alexa a new skill by voice? | 551 | <p>Can you enable a new skill in Amazon Echo by voice?</p>
<p>Ideally, I'd like to ask Alexa which skills they offer related to a specific category (like dictionary), then I'd like to enable one.</p>
<p>Is this possible?</p>
|
2017-01-02T20:50:35.890 | <p>In addition to other answers, if the data is sent in plaintext it can be modified. </p>
<p>Apart from mentioned problems faking data can cause (turning heat to the max due to lying thermometer in the middle of hot summer might lead to fire hazard, for example) manipulating data can lead to compromise of IoT device,... | |security|sensors|privacy|cryptography| | Is there any advantage in encrypting sensor data that is not private? | 554 | <p>Some sites, such as <a href="https://www.helpnetsecurity.com/2015/09/07/end-to-end-encryption-is-key-for-securing-the-internet-of-things/">this article on end-to-end encryption for IoT</a>, suggest that <strong>all</strong> traffic sent across the IoT network should be encrypted, saying:</p>
<blockquote>
<p>Enter... |
2017-01-03T18:00:18.233 | <p>When the bulbs have an integral role in contributing the look, feel & mood of the room, the switches make sure to set on/off primarily & also consider the energy management of the home.</p>
<p>So while these two distinct products advance, obviously the impact will be on their respective purposes only. I mea... | |smart-home| | Is it better to control smart lights or smart light switches/fixtures? | 568 | <p>IoT enabled light bulbs have been on the market for a while now. The Philips Hue is probably the best known. But I think controlling bulbs directly is a rule-maintenance disaster waiting to happen. If a bulb goes out (and yes, LED bulbs do fail), you have to replace the bulb, and remember to update any scenes or ... |
2017-01-04T14:03:10.023 | <p>The good news for you is that the choice of fan-speed and lighting control is often independent of the actual ceiling fan itself. Most lighted ceiling fans operate using two independent circuits; the wall switch will have one hot wire that delivers power to the fan motor, and a separate hot wire that delivers power... | |smart-home|hardware| | UK-compatible (240VAC) receiver/controller for ceiling fan with dimmable lights | 585 | <p>I have a 3-speed ceiling fan with integrated dimmable lights which when installed prior to my owning the house was fitted with an infrared wireless receiver.</p>
<p>For a long time the remote did not work (poor quality construction) and after repairing it and having a few months of use have since found the receiver... |
2017-01-04T16:03:04.280 | <p>It doesn't have an open telnet port. I still come across lots of residential / off-the-shelf wifi routers with open telnet ports. The firmware is usually available online too, with backdoor accounts. If you are renting your wifi router from your ISP provider, it probably has an open telnet port. Wifi routers usually... | |smart-home|security|routers|norton-core| | How does the Norton Core increase the security of a "smart home"? | 593 | <p>Symantec is releasing a new router, the <a href="https://us.norton.com/core" rel="nofollow noreferrer">Norton Core</a>, which they describe as <em>"The secure router for your connected home."</em></p>
<p>I found out about this while reading an article on <a href="https://www.engadget.com/2017/01/03/symantec-norton-... |
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