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1500 questions
11
votes
2 answers
Protocol for configuring IoT device settings
MQTT is widely used in IoT when it comes to exchanging application data between the end device and the host service. The publish-subscribe model makes it easy to use: no handshaking, negotiating etc (at least above the MQTT protocol layer). It's…
Amr Bekhit
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11
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Are there any all-in-one chipsets that support LoRaWAN and Sigfox?
Connectivity technologies are diverging in the last times to adapt to the continuous demands. In the lack of any GSM standard there are several communication technologies. I'm interested to know if there exist chipsets with support for several…
gavioto
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11
votes
2 answers
Are there any applications where blockchain is used with IoT?
Since the emergence of these two Technologies, it can be a near future possibility that blockchain and other forms of crypto-currency will be used more frequently.
According to this article:
The decentralized, autonomous, and trustless capabilities…
Shan-Desai
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11
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3 answers
How can I interface a LoraWan network with MQTT?
I have been working on a project which involves creating a LoraWan network using:
Dragino lg01 as a Gateway.
An Arduino Uno and a Dragino Lora shield with a simple LM35 Temperature sensor
As for the Server, I have been looking for something open…
Mohamed Achref Dridi
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11
votes
2 answers
Configuring LoraWan Gateway
I'm trying to build a LoRaWan Network using a sensor programmable with Arduino and a Dragino Lora Shield.
I have found many solutions for creating a gateway, including an Raspberry Pi connected with another Dragino Lora Shield or with iC880A, and…
Mohamed Achref Dridi
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11
votes
4 answers
Why was the Internet-connected My Friend Cayla doll banned as a "hidden espionage device"?
According to CNET, the My Friend Cayla doll was banned in Germany because it has been classed as an illegal "hidden espionage device":
If you're considering purchasing a connected toy for your offspring, you might want to think twice.
In Germany,…
Aurora0001
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10
votes
1 answer
How to get Alexa to work with Wemo Switch?
I am trying to get a Wemo Smart Switch/Plug to work with Amazon Echo Dot. I have Amazon Echo Dot installed configured and working normally. I have installed the Wemo App on an iPhone. Using the iPhone I installed and configured the Wemo Smart Plug.…
user8055
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10
votes
1 answer
Does the Google Home have any protection against TV advertisements triggering it?
Apparently, lots of Google Home speakers were activated by Google's Super Bowl ad:
Early during tonight’s game, Google’s ad for the Google Home aired on millions of TVs. We’ve actually seen the ad before: loving families at home meeting, hugging,…
Aurora0001
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10
votes
4 answers
Do any outdoor sound sensors exist?
I recently had an F/A-18 jet fly over my house and was amazed at how loud it was. That set me to wondering how loud it actually was.
Do any outdoor sensors exist that can track decibel level?
jterrace
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10
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3 answers
How do I force my Amazon Echo to update to the latest version?
Version 4812 of the Echo software apparently includes the new 'Computer' wake word, which seems really exciting. However, my device is still running version 4540 and hence doesn't have the wake word yet.
The Amazon documentation says:
Your Alexa…
Aurora0001
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10
votes
3 answers
How to map the identity and control of slave devices behind the programmable logic controller?
In the area of industrial internet of things, there are so many industrial slave devices behind the programable logic controller, they are not given any ip address or identity, how would we to map these devices 's identity and their controls over…
user824624
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10
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3 answers
Can I send my GSM IoT device via airpost?
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?)
Also does it make a difference if the device is powered on or off?
IIIIIIIIIIIIIIIIIIIIII
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10
votes
1 answer
Can a Mosquitto MQTT client forcibly disconnect another?
I've been wondering how an MQTT client could instruct the broker to disconnect a client by some means, in case I need to force-disconnect a client from my MQTT server (for example, if it's misbehaving somehow and not responding correctly).
A…
Aurora0001
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10
votes
3 answers
Testing the success of Over the Air updates
What is the best practice to ensure an IoT device has been updated successfully?
What do you need to do in order to test OTA updates and authenticate devices? Taking it a step further, how can you monitor/manage the software versions (updates) of a…
Noam Hacker
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10
votes
2 answers
Does the Ōura ring measure heart rate well enough to assess HRV?
The wrist-worn devices generally don't measure the heart rate precisely enough to measure heart rate variability (HRV). Does the Ōura ring measure heart rate precisely enough to get quality HRV data?
Christian
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