Internet of Things Stack Exchange
Internet of Things Stack Exchange

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Is it possible to automate devices that are connected to electric switches in homes?

Suppose I have a mobile charger connected to an electric switch and I want to switch the charger off when the mobile battery is fully charged. How can I do that? Would I need smart switches to do so?
Sanat Deshpande
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Network type for streaming from RPi to several ESP8266 modules

I would like to host a web page from a RPi that has websocket controls that update in 'real time' such as a slider that transmits its value as you move it. I then want to broadcast the values to several ESP8266 modules (~10) running Arduino via…
user6397
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Arduino LMIC: Figuring out when packet transmission has been started on Chip

I use the following example of an ABP-activated LoRaWaN node: https://github.com/matthijskooijman/arduino-lmic/blob/master/examples/ttn-otaa/ttn-otaa.ino But for some reason I cannot figure out when the node transmits some data or not. As far I see…
Dimitrios Desyllas
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How to monitor extra MQTT information with Home Assistant?

I am thinking out the software part of my home automation and was planning to use: MQTT as a backbone (this is a requirement as all my devices (ESPURNA based switches or my own devices) use MQTT as the communication bus) Home Assistant as the web…
WoJ
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Why does IBM's arduino-lmic example for abp activation have only 2 keys?

As far as I know the LoraWan v1.1 Spec uses the following keys: FNwkSIntKey: In order secure the message integrity on the data that a node sends to the server. SNwkSIntKey: In order to secure the message integrity on the data that a node receives…
Dimitrios Desyllas
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Avoid limited connections of WiFi Router

Scenario I developed a simple board that connects via WiFi and upload some data to a remote server. The network management is up to the customer but now he asks me some hints about how to avoid the limited number of connections allowed. The…
Mark
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Bluetooth heart rate/blood pressure monitor

I am trying to find a wristband type device that will measure heart rate and blood pressure and transmit using Bluetooth to a PC. There are many devices, but all talk to a smart phone. But, I want to read the data on a PC preferably in C# or…
Code Star
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How do I use Home Assistant's Configurator with remote access?

I have: Raspberry PI 3 B+ Hassbian with Home Assistant And have created my own remote domain. Before I did that, I could easily use Configurator. But now, it just show me the Home Assistant login page in that iframe. My configuration settings for…
Peter Westerlund
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What is the best sensor for the measurement of Carbon-dioxide?

I need to measure the amount of carbon-dioxide in parts per million (ppm) within a closed environment. Currently, I am using a MQ-135 gas sensor which has some sort of concentration on Carbon-dioxide. Unfortunately, that sensor does not provide…
Abdul Alim Shakir
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What are the hubs for non-WiFi, DIY/open/hackable devices?

I would like to future-proof my home automation architecture Today, I have a very decentralized setup: an MQTT broker (Mosquitto) WiFi switches: two on-the-wire ones (Sonoff Basic) and one wall switch (Sonoff Touch), all of them connected to the…
WoJ
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Eclipse solutions without a gateway

I'm currently reading the Eclipse IoT documents for a big scale company. Knowing that having a Raspberry as a Gateway means more costs, do you guys think that Eclipse solutions for a MQTT connection will work without a gateway?
Juan Ramos
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How to use Aeotec Nano Dimmer with a SPST switch?

I have an Aeotec Nano Dimmer, and am trying to understand how to dim lights using an external SPST switch connected to it. If I toggle the switch the lights go on and off. If I toggle it and then toggle it back instantly, the light level starts to…
dottedmag
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NodeMCU - create public webserver

How would I go about creating a public web server so that I can control my NodeMCU v3 from anywhere in the world? I was thinking about flashing espruino on my board since I have more experience with web development than microcontrollers, but I found…
Stuart Fong
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(Multitech mDot + Conduit) mDot keeps dropping connection to network

If anybody has experience the Multitech mDot and Conduit modules to set up a LoRa network I could use their help. I’ve set up a LoRa network consisting of an mDot node (plugged into a Multitech developer board, programmed using mebd compiled code)…
Froot
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How can I pair the Tile to the phone?

Setup: Put Tile tracking card in shoe. It has a one year charge. Charge Jelly Pro phone each night. Put phone in coat pocket each morning. Provide these features: Track phone if he is not at home using computer. Phone will alert computer via text…
CW Holeman II
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