Internet of Things Stack Exchange
Internet of Things Stack Exchange

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1500 questions
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3 answers

How can I use Alexa to turn on/off multiple lights at the same time with SmartThings hub?

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…
c99StackExchange
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Are there any devices with open-source protocols over Wi-Fi?

I know how to program IoT using Arduino; but I want some ready made portable IoT devices that do not need any programming at device side. Just I want to buy and add these devices to the network (after some configuration) and (by using documentation…
Shahrzad
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Is the Subscriber-Publisher pattern applicable also to actuators?

There are tons of tutorials on the web, especially with RabbitMQ, on how to publish sensor data; for example, temperature, humidity, etc. Just publish the value to a message queue and anybody can consume it. So far so good. But how about actuators?…
Mat
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Is there a way to turn on large numbers of IoT devices remotely?

I have a lot of IoT devices that I am currently working on (read playing with). One of my biggest headaches is turning on the ones I need without climbing under my desk and plugging in a lot of wires. I looked at IoT controlled power switches but…
AstroDan
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What is the difference between a DDoS attack and a PDoS attack?

I've read a certain amount about the Mirai worm, a virus that attacks Internet of Things devices using default usernames and passwords and essentially is wired to produce a Distributed Denial of Service (DDoS). However, I've recently read about…
anonymous2
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ESP8266 fast HTTP GET response rate

While starting programming my ESP8266 to get continuously changing data (car position) from a server, I encountered a problem: I can't get the ESP8266 to receive the data from the server more than 3 times/second. The data rate would be preferably…
Raitis Bērziņš
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Why do I need hubs for some devices when automating my home?

When you get started with automating your home, you quickly find out that many devices need a hub or bridge to function correctly. For example, the Philips Hue bulbs need a bridge, August Smart Locks need a different bridge, and some people also buy…
Aurora0001
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How to enable detailed logging of Mosquitto broker on Windows 7?

I have a previous question and to get closer to a solution I want to enable Mosquitto broker logging on Windows 7. Originally I have started the broker manually as follows: mosquitto -p 1883 -v -v means verbose console logging. But this does not…
Bence Kaulics
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How can I list the partition table of a currently running esp32 devboard?

I am developing on an ESP32 devboard (esp8266, wroom). I need to get the partition table of the currently running device. This document contains a quite good documentation of its partition table. I can also read/write flash regions by the esptool.py…
peterh
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Wired sensor protocol for buildings monitoring sensors?

Assuming I cannot use wireless technologies such as LoRa, LTE-M or SigFox in the environment for the install, I must use a wired sensor protocol to communicate with the gateway installed remotely in a building. The cable runs can be up to 20m from…
SeanJ
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Using LP Gas Sensor in a Smart Home Safety System

We are making a smart home safety system for a small academic project. We need a Gas Sensor (LP Gas) for the project, but there are a few questions that I have. I found the MQ-6 Sensor that can be used for sensing the LP gas leakage. But the problem…
ThisaruG
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How can a device get the SSID and Password of my Network without WPS?

I'm studying ways to make an IoT device access an user´s wifi network. I know about the WPS way, where the device 'broadcast' a signal and the router, after being commanded to listen, 'receive' it and give the device it's access. There's also the…
Eric Akira
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What to choose: 2G, 3G, 4G, LTE Cat-M

For a project I'm working on we are orienting on the available mobile data connections. Because the current cellular connections are in a transition from G to LTE, I'm not sure whats the right desicion. From what I read about the 2G and 3G networks…
Jan Roorda
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5 answers

Do all Internet connected Things use the same "Application - TCP - IP - Hardware" stack to communicate?

I am not particularly internet savvy, and IoT technologies are especially confusing for me. I was reading this Stanford white paper on internet structure. In Diagram 2, it shows a representation of the software "stack" that a computer (PC) would use…
BestMillimeter
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What's the difference between the Internet of Things and the traditional Internet?

What is the difference between the Internet of Things and the traditional Internet? Without the IoT, previously we could communicate with components in various remote monitoring projects with traditional Internet, like as, smart meter, remote meter,…
Rashedul Hasan
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