Internet of Things Stack Exchange
Internet of Things Stack Exchange

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1500 questions
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2 answers

Is using remote database (firebase) wrong idea for home automation system?

I am working on home automation system and I my idea was this: There will be client app, which will be running on a classic HTTP server (on internet). It will communicate with firebase realtime (NoSQL) database. This app will also run on Raspberry…
Petr Marek
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Android or Linux + Electron for consumer facing GUI

I’m looking to build a consumer facing IoT product that involves a display. I have been debating whether to use Android or Linux + Electron for the app, which will be running kiosk style all the time. What is the general rule of thumb for this kind…
Jalen
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Python Paho MQTT 2.5 KB messages not sending for days, while 0.1 KB messages send fine

I've got powerful dual-core IoT gateways in the field with high-speed cellular modems and good internet connections, but they fail to send 2.5 KB MQTT messages to my AWS IoT message broker. My program sends messages of various sizes, and the 0.1 KB…
Sean McCarthy
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How to Define Default Spotify Account for Google Home?

We have a number of smart speakers around the house connected to Google Home. We have multiple Spotify accounts running under their Premium Family Plan. One of our Spotify accounts is the "house" account that we set up for playing music around the…
BaronGrivet
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3 answers

Open source IoT framework similar to Azure IoT

Are there any open source IoT frameworks/runtimes similar to Azure IoT but without vendor lockin, software that will basically run on bare metal device and pull down and run containerized images from a registry and handle configuration/twin…
Element
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Particle.io argon delay time as var

I have everything working wonderfully but I want to accomplish one more thing and I'm not sure how to go about it. Part one to this question: Under command=="loops" I have a delay() function. I want to be able to sent this time from the dashboard or…
Kelly
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Can GPS device report to other device without internet?

I have device A which that device made by only GPS+CONTROLLER. Can that GPS report their location to device B which made by Controller or it will better report to internet without using GSM module or WiFi module? Is it possible? If possible what…
Muhammad Ikhwan Perwira
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POE ethernet passthrough microcontroller

I'm looking for a build your own or mod hack something like a POE ethernet passthrough that powers an Arduino IoT controller. I understand that what ever I am using will need it's own dedicated IP stream but given how small some things have gotten I…
Robert Williams
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How to have a Nedis smart device to connect to WiFi network without app and registering?

I have a Nedis WIFIHTPL20FWT Smart conversion heater. It seems that I need to register to Nedis cloud service and only then using Nedis SmartLife App this device could be connected to my local WLAN. I have an IoT gateway and services of my own in…
pirho
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Linking myQ garage door to IFTTT

I have managed to close my myQ garage door (a LiftMaster) (by Chamberlain Group) using IFTTT. Here's the setup myQ app on an iPhone IFTTT app on an iPhone myQ account subscribed to IFTTT the garage door, of course When setting up the IFTTT trigger…
Kit
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MQTT Client Broker communication - can a malicious client masquerade as a legitimate one after being connected with credentials

I would like to ask a question that I have about MQTT client broker communication. Let's say, a client C1 is connected to the broker with user name and password (with no encryption). What happens when a new client C2 (a malicious one) tries to…
Rijo Varghese
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Ifttt not filling fields

I have a Bosch Easycontrol thermostat and it's supposed to be compatible with ifttt. What happens though is that I click on the integration and no matter which action I choose, the field "which room" is stuck in "Loading..." and I cannot complete…
ChatterOne
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ESP32 transmit data over BLE VS Wifi

I am working on a project where I have got an ESP32 device (Wifi & Bluetooth), which reads data from some sensors, such as temperature and soil moisture (outdoor environment). The data is then sent to a Raspberry PI which is 15 meters far, the PI…
Edge7
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1 answer

Monitoring tools for IoT systems

I'm looking for a software tool for the monitoring of the IoT system in my building. Data inputs are accessible via MQTT or API requests (alternatively, directly accessing a InfluxDB time-series database is an option). It is a fully electric…
cheesus
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What is the technical difference between MQTT and MQTT over web socket that allows the later to be preferred choice by web browser apps?

I am new to this IoT protocol area. My understanding is that MQTT is a lightweight messaging protocol for IOT devices. MQTT over web socket involves use of HTTP to UPGRADE the connection to use web socket. Otherwise they follow same protocol for…
variable
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