Internet of Things Stack Exchange
Internet of Things Stack Exchange

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1500 questions
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2 answers

WLAN Hotspot Internet sharing possibilities?

I figure this is the best place to ask. Many IOT devices need to be connected to a network, and sometimes require Internet access, but not 100% of the time. Usually it's fine to just connect them to your WiFi network and be done with it. As a user…
Seraphim Jester
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How to structure connection slots for WiFi clients

Say we have hundreds of WiFi clients that pretend to connect to a single router. The firmware on the clients is modifiable. I'm aware the routers can handle only few dozen of clients at time. Because I need to minimize the period of each client can…
Mark
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Comparative power requirements of various wireless networking protocols

Does anyone have a real- world comparison of various wireless networking protocols, such as Zigbee, LoRa, BTLE (and BT5, if there any production models to measure), even WiFi (any others)? I am interested in a real-world comparison, rather than just…
Mawg
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Choosing low power microcontrollers to run with a solar panel

I am starting a project which will control a small motor, some LEDs for illumination and read some analog sensors and I need to power it via a solar panel. I am looking for the best option on microcontroller to use but I don't know much about the…
daniel castellanos
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Create Light Switch with HAP-NodeJS, MQTT and fail safe

I'm trying to get into setting up my own home automation. I've already setup HAP-NodeJS & MQTT on a raspberry and I've flashed a esp01 with NodeMCU. What I want to do is create a light switch with the esp01 that has a fail-safe so the normal light…
NoSixties
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How to track cause of unexpected lighting changes?

I'm using a Philips Hue system with lights in my living room and bedroom. I'm using a v2.0 bridge that integrates with Apple Homekit, and I use a mix of triggers in both the Hue app and Homekit routines. Lately I've been having a problem where I get…
Nic
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Can I run a Greengrass Core and an IoT Device on the same machine?

We are trying to create a system that reads and performs some computation on data coming in via serial port (from a CAN network) and send the results to the cloud. I have been looking into AWS Greengrass and am wondering if it would be possible to…
Lucas
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Accessing my Wi-Fi IoT socket from remote via Phone

I'd like to access my Wi-Fi Socket (Smart Plug SWA1) at home from anywhere via my (Android) Phone. It works perfectly at home via Wi-Fi. But when I tried it from outside, it didn't. Even if it says "accessible via 2G/3G/4G/Wi-Fi". Doesn't that…
delaflota
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Are MQTT Brokers able to retain/cache some data for a certain amount of time and then send to the subscribers?

I currently have a Mosquitto MQTT Broker on which some IoT Nodes publish their information on a specific topic. I have an instance of Telegraf from InfluxData running that subscribes to this topic and stores the information into…
Shan-Desai
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How does endianness work in LoRaWAN1.1?

On Page 9 in the LoRaWAN 1.1. specification it says: The over-the-air octet order for all multi-octet fields is little endian. EUI are 8 bytes multi-octet fields and are transmitted as little endian. How are multi-octet fields defined in the…
user393856
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Cellular Base station from ethernet

Does anyone know of any devices that can take an ethernet connection and turn it into 4g to act as a base station? I am trying to find a solution to test data connection for a significant amount of devices without using data on a real cellular…
alexander
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SmartThings Zigbee Devices won't connect

I upgraded my v1 SmartThings Hub to the v2 SmartThings Hub. According to some online forums, I made sure to properly reset and remove all of my devices from my previous hub. Next, I installed my new hub (v2) and removed my old hub (v1) via the…
tbm0115
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Alexa for Business

I'm interested in Alexa for Business, and I'm wondering if the Drop-In feature that is present in the Regular Alexa implementation is available in the business implementation? I have not been able to find any Amazon Documents referencing this…
M Green
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Can I log serial output from ESP32 using Sparkfun's OpenLog?

I am working on a project that largely revolves around the ESP32 WROVER. The device is going to be at a remote location for testing, but I'll need to be able to get the serial output. I think that the OpenLog might be a good solution here, but I'm…
Fliggerty
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For my "switch on light with clap project " will sound sensors detect other sounds other than a clap and switch on the light?

I am just a high school student who is trying to self-learn for my IoT home automation projects.Please excuse me if this question sound silly to you.This time I am working on this "clap to switch on the light" project. I learnt that to detect the…
whae
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