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1500 questions
7
votes
1 answer
Are there any 6LoWPAN to 3G gateways available on the market?
I'm looking for a gateway to pass from a 6LoWPAN over 802.15.4 network to 3G. Are there any on the market, or do I have to build one for myself based on Arduino or Raspberry Pi?
JuanMa
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7
votes
1 answer
Is Shodan, the IoT search engine, really reliable?
As far as I can see, Shodan seems to be choosing the IP and ports randomly from a list. Is this really the best way to scan the entire internet for IoT devices?
WayToDoor
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6
votes
2 answers
What can I do when the AWS IoT Button runs out of charge?
The AWS IoT Button (Amazon link) is intriguing, but I saw something quite concerning in the FAQ:
How long will the battery last?
The battery should last for approximately 1,000 presses. When the device battery runs out of charge, there is no way to…
Aurora0001
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6
votes
1 answer
Is "Insecure Rejoin" still enabled by default for Samsung SmartThings hubs?
According to Cognosec, there is a critical vulnerability with ZigBee (one of the protocols supported by the SmartThings hub) which allows attackers to gain access to a ZigBee network by abusing a feature called "Insecure Rejoin". This forum post has…
Aurora0001
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6
votes
0 answers
Windows bluetooth event notifications event from cheap smart watch
My son got a 20 dollar Hype smartwatch and paired it with our computer, he could use it to play Windows media player even though there was nothing in the manual that said I could pair it with Windows.
How do I do what Windows media player is doing…
Peter Turner
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6
votes
2 answers
Will reusing a mobile phone as a smart webcam be cheaper than buying a dedicated webcam?
With Perch, it seems that you can use an old Android smartphone with a camera as a webcam, which seems like a great idea to reuse old devices that you no longer want.
However, in normal usage, phones tend to use a lot of energy in my experience…
Aurora0001
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6
votes
0 answers
Ikea Tradfri: Need to hit each remote twice
I've been using an Ikea Tradfri setup in my apartment for about a year. I've got lights, remotes, shortcuts buttons, outlets, blinds, a gateway and an extender. It's been working mostly smoothly.
A week ago something weird started happening. When I…
Ram Rachum
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6
votes
3 answers
Why can't I update my Ember mug's firmware?
My Ember mug has a firmware update available, but when I try to update it the process fails at 50% during a reconnection step. How do I make sure the update is able to finish?
Isaac Corbrey
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6
votes
2 answers
Searching local MQTT server on Local network
I have a micro-controller,ESP8266 for the moment, which is connecting to a mqtt broker and pulish some messages.
I have configured mqtt broker on raspberry pi which has an IP address 192.168.43.164.
so for now I have hard coded the mqtt broker IP in…
Abhishek bhatia
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6
votes
2 answers
How to make a MQTT Broker and a REST API communicate?
I'm still very new to IoT and IoT protocols, so pardon my ignorance.
I'm trying to go about creating a home automation system to control lights, read room temperatures etc.
The user should be able to interact with the IoT devices via a mobile client…
hcotta
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6
votes
3 answers
LoRaWAN collision and demodulation
In what scenario is it possible that collision happens between two packets.
And if a collision happens, is it possible to demodulate? How?
Regarding here it says there are two types of interference. Intra and internetwork for unlicensed networks. I…
m0ss
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6
votes
0 answers
What steps/equipment is needed to control a fan?
I currently have a standard home fan in my bedroom, it's controlled with one light switch (on/off switch) and two pulleys on the fan unit itself. One pulley for the fan and one pulley for the light.
What equipment can I use to integrate it into a…
eww
- 185
- 2
6
votes
2 answers
What would a "fog node" consist of in OpenFog?
The OpenFog Consortium, a group that is working on an open fog computing specification, has published a white paper about their architecture.
They define a fog node as:
The physical and logical network
element that implements fog computing
…
Aurora0001
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6
votes
1 answer
MQTT JSON format for process automation industry?
W.r.t. formatting the payload content of MQTT messages one usually sticks to standards. In case the AWS IoT platform is used the format of the payload content is not pre-defined. There's just a best practice design guide. However usually one sticks…
thinwybk
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6
votes
1 answer
How delayed can IFTTT triggers be?
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…
Aurora0001
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