Internet of Things Stack Exchange
Internet of Things Stack Exchange

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1500 questions
8
votes
2 answers

Rogue Start-Up of Robot sweeper

I have an Xiaomi Mi robot sweeper and at 7:00:40pm each day it is being started up by a rogue internet message. I saved the active IP table from the DD-WRT router firmware immediately before and after several of the startups and have found the…
jerryt
8
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0 answers

Carrier Specific Processes details

I'm looking at creating my own IoT module and want to understand the various certification processes. I've read this: Will using a GCF/PTCRB certified module in my design risk the device getting blocked by Network Operators? That post does not…
user3696153
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8
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3 answers

Sensors under increased pressure

I am wondering how the DHT 22 (measures humidity and temperature) sensor would work under double or triple atmospheric pressure (rough calculations have been done but it will vary and the exact density being dealt with is not currently known). The…
Kody Rogers
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Privacy with Voice Assistants

I am interested in getting a Smart Home system with a good voice assistant, but my wife refuses to allow a voice assistant like Google Home or Amazon Alexa because she does not want ANY recordings from our home being stored in the cloud. For…
Scott Duncan
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1 answer

Lorawan packets datasets

I'm studying Lorawan protocol. I would like to know if some datasets exist to study LoRaWAN packets, parameters and some features.
Pippo Pluto
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2 answers

Make Embedded Board NTP Server for Arduino boards in the subnet

I have an Embedded Board where the distribution on it is a custom Linux Distribution based on Yocto. I have added ntp and via ntpd I will sync time with the common ntp pools either via UMTS 3G dongle or Ethernet. This board along with some ESP32 PoE…
Shan-Desai
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8
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1 answer

How can I associate an smart outlet with "lights"?

I recently added a Eufy Smart Plug to my setup. It's currently controlling a floor light. However, Google Home doesn't recognize it as a lamp, so when I say "turn on the lights" or "turn off the lights", it isn't included. How can I tell Google Home…
mjs
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3 answers

Is a simple UDP messaging a good idea for IoT Sensor?

I am working with NB-IoT Modem - Quectel BC95 that will be used in a simple IoT sensor that will periodically (Once per hour) send measurements to our server. Because of the restriction in place by the service operator, I can't use the hardware…
Oli Řeháček
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8
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1 answer

Do protocols based on the publish-subscribe pattern negate the benefits of mesh networks?

Protocols that are modelled on the publish-subscribe pattern such as MQTT and AMQP require a centralised message broker to co-ordinate messages being sent and received. This does not pose much of a problem when your IoT network is based on a star…
Aurora0001
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1 answer

Command not found while trying to flash Android Things

I'm having trouble installing Android Things on an SD card. The card itself seems fine, it's recognised by my Macbook Pro. I'm using the same command i used for the last pi I set up. Below is the command and the response I'm getting back. I'm…
jampez77
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1 answer

Smart plug for air conditioning unit

I tried connecting my smart plug to my air conditioner, and the smart plug blew up. I was wondering why it blew up and what kind of smart plug will work with my AC: I used the Ardwolf Mini Smart Plug with the above air conditioner.
user77948
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2 answers

Suitable wireless technologies for high density industrial IoT

I have a requirement to design M2M communication devices for a factory which has 1000 nodes (machines) within 100m of each other. The devices will be wired to get power and will transmit a payload of 8Kbps. What is the most suitable wireless…
SamHW17
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2 answers

MQTT multiple topics vs. bigger payload

I am wondering about best practices of topic naming and payload design of mqtt messages. Is it better to have multiple and long topic names instead and a bigger payload or short topic name with bigger payload. For example:…
CPA
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1 answer

What does the Lively Medical Alert Watch Monitor?

According to MakeUseOf.com, the Lively Medical Alert Watch... ... allows remote health monitoring of your loved ones. The smartwatch can track steps taken as well as other kinds of daily activities, plus it provides an emergency assist button that…
anonymous2
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8
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Commercial Arduino Reprogrammable Smart Plug

Has anyone reprogrammed a commercially available smart plug, such as the Etekcity Voltson? Are there plugs available with open source Wi-Fi chips in them that perform better than an ESP8266? I’m looking for recommendations on a reprogrammable plug.…
Jesse
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