Internet of Things Stack Exchange
Internet of Things Stack Exchange

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1500 questions
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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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ESP8266 with ethernet connection

I was wondering if someone knows a way to convert a ESP8266 to non-WiFi. I.e. have it connected through Ethernet, preferably with PoE possibility. Reason for asking: My plan is to have sensors in a locker which is not a wifi-friendly environment. I…
Jimmy Westberg
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Can you setup Alexa to remind you about calendar events?

Is it possible to configure an Amazon Echo so that Alexa will tell you about upcoming events (e.g. from Google Calendar) an hour before each of them by waking itself up and reminding you about them?
kenorb
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What simple security tests can I perform on my MQTT network?

I am about to set up an MQTT network at home. I want to build up some knowledge by practical exercises. It would be a small network with the broker hosted on my laptop (Windows 7) and some Raspberry Pi powered client. Also I am thinking about making…
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 (Yes. I am a newbie for this). 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…
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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How do consumer IoT devices typically enable Internet connection?

As far as I know there are 2 general methods for enabling remote (Internet, not LAN) access to IoT devices: Via a server that the device polls periodically (e.g. MQTT) Direct remote access I'm assuming the second method is not straight forward as…
Perspectivus
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