sob
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Which IoT platform should I use for low-energy temperature sensors to be powered by battery?
Accepted answer
13 votes

ESP8266 can be a very good candidate for your project. For increasing the battery life with ESP8226 you can follow this Open Home Automation article. Ways to save power save highlighted by this ...

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Drawing parallels between building an IoT system and building a PC?
8 votes

The generics first Some of the candidates only talk about what they learned from building PCs Coming from PCs is not a problem, but, candidate should understand that an IoT device/product/...

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How do the AirPods communicate with the phone?
Accepted answer
6 votes

Apple is keeping the technology it uses for AirPods under wraps, hence my answer is best attempt based on the information in public domain. Do both Airpods use Bluetooth technology? Yes, because ...

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Controlling IoT device through a captive portal/web app over Wi-Fi & 4G/LTE simultaneously
6 votes

Question 2.) Are there any other ideas that anyone can think of to solve this - even crazy ideas like XSS vectors to PUSH content into the captive portal from external servers? If I may suggest, you ...

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What classifies a device as IoT?
6 votes

What classifies a device as an Internet of Things device? As per my understanding, an IoT device: Serves a specific use case, e.g., Amazon Echo, Nest Cam, Belkin WeMo. This is key differentiation ...

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How to pass two parameters in header using AT Command with SIM800 GSM modem?
5 votes

As per SIM800 AT command Manual, you can set HTTPParamTag to USERDATA and send content in HTTPParamValue. You can pack all key-value pairs into HTTPParamValue and parse to retrieve individual key-...

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Is there an IoT device which has Bluetooth, GPS, a USB port and which can support a module for an alarm?
5 votes

SIMCOM SIM808 module seems to meet the requirements for your device. Bluetooth: compliant with 3.0+EDR Specification for GPS Receiver type 22 tracking /66 acquisition -channel ...

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How to get OSRAM Lightity ClientID and secret?
5 votes

As per OSRAM Lightify Public API In order to call the API endpoints you will need a set of valid client_id and secret_id. North America (NA) developers go to https://na-developers.lightify-api.com ...

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Which smartwatches have autorestart timers?
5 votes

The Xiaomi mi band 2 supports alarms that can be snoozed for 10 minutes. When an alarm goes off (lets say 12.00 PM), a tap on the band snoozes it for 10 minutes. A long press on the band stops and ...

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Can I use Google Home in countries where it is not officially available?
Accepted answer
5 votes

Google Home can be set Up and used in other countries. This Beebom article provides a step-by-step guide of doing so. During setup you'll see popup: You may see a warning telling you that the ...

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How to create a home card in Alexa
5 votes

Section Creating a Basic Home Card to Display Text To create a simple card, include the card property in your JSON response: Set the type to Simple. Set the title and content properties ...

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How is the IOTA cryptocurrency network useful for devices in the IoT?
Accepted answer
5 votes

I'd like to know what are some specific actual real world use cases As per IOTA FAQ What are the main use cases of IOTA? IOTA's main features (in its current form) are feeless micropayments and ...

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Would interconnected spaceships be part of IoT?
5 votes

The definition of IoT, as per ITU, as documented in ITU-T Y.2060: IoT can be viewed as a global infrastructure for the information society, enabling advanced services by interconnecting (physical ...

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What are the differences between MQTT, HTTP, CoAP devices (besides communication protocol)?
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5 votes

if the MQTT IoT devices are completely different from other types like HTTP in features, or is the difference only about communication protocols? The difference is at the protocol level. Same device ...

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Is the Amazon Echo 'always listening' and sending data to the cloud?
5 votes

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. If you reread that last sentence it may not ...

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Are all functions available on all Google Assistant devices?
4 votes

There is negligible difference in the assistant functionality between a Google branded Google Home device vis-à-vis an OEM speaker with google Assistant. Lets, take Google Home and LG WK7 Speakers, ...

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How do you clear Alexa music history?
4 votes

Songs can be deleted from recently played list in Amazon Music account. Log into https://music.amazon.com Browse to "Recents: Played" on left side menu. From the list of songs, choose "Remove song ...

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When is Z-Wave S2 Security Mandatory?
4 votes

What's the real scoop on S2 security? I studied a number of products and corresponding Z-Wave Protocol Implementation Conformance Statement issued to these products. Products that feature S2 ...

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Which Wireless Frequency Bands could be preferrable for IoT in Aviation?
Accepted answer
4 votes

Is there any research done in finding optimal bands that do not interfere with the systems and could present IoT in Aviation as a strong application? Wireless Avionics Intra-Communications (WAIC),...

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Which tools/frameworks do you use to configure an array of SBCs
4 votes

One of the choices for creating Embedded Linux distributions is Yocto. Yocto is open source collaboration project that provides templates, tools and methods to help you create custom Linux-based ...

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How do I shut down IoT devices without a power button?
4 votes

What if there is a power cut? Is my data at risk? For most well designed commercial IoT devices you need not worry about sudden power loss. Let's take case on the Nest Thermostat. The Nest ...

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Are drones considered part of the IoT by any officials?
4 votes

The flying Drones can be considered as IoT. A very good examples is the Intel drones equipped with sensors that are being used in Cricket for pitch analysis. Following is key snippet from the Intel ...

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How accurate is Google Home's voice recognition, especially where the speaker has a thick accent?
3 votes

This interesting and engaging Youtube video by WIRED shows 8 People Test Their Accents on Siri, Echo and Google Home. The test is based on 4 questions, asked by each person, to each device under test....

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What would be the best way of authenticating users without password or username?
3 votes

You can consider attaching pcProx® Plus RFID readers with the machines, 1 per machine. You can use RDR-80581AK8 SKU. It is powered by 5V external power supply and supports RS232 for sending data in ...

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How to cross compile Paho-MQTT-C library for ARM?
Accepted answer
3 votes

You are facing these build errors as you are missing the sysroot corresponding to the arm-gcc that you are using as your CC. You may try changing the Makefile as follows: diff --git a/Makefile b/...

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Ultra Low Energy point-to-point protocol choice
3 votes

Given your requirements of range, power and proven stack Z-Wave is likely suitable candidate. Low Energy, battery powered Send-and-sleep Medium range (20-30m) Ready-to-use or easily ...

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Synchronizing two or more Google Home devices
3 votes

Multi-room group playback is possible by grouping any combination of Google Home, Chromecast Audio devices, or speakers with Chromecast built-in together for synchronous music throughout the home. ...

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Raspberry Pi to send sensor's data to server continuously and receive commands from server
3 votes

By continuously I mean that streams like video are continuous If you are considering continuous video streaming from Pi then LIVE555 Streaming Media is a may serve your purpose. Live555 will provide ...

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Looking for a relay that can be controlled from .net web application (via TCP/IP)
3 votes

I have not used any of the following relays, but based on your problem description one these may serve you needs: Online Device Web Controlled Relays Key Features: Industrial Grade TCP/IP, Web ...

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What personal information is stored on my Amazon Echo?
3 votes

If I ever wanted to sell the Echo, it'd be useful to know what information is on the device, so that I can try to remove it. I think one good option is to deregister the echo device from you Amazon ...

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