Internet of Things Stack Exchange
Internet of Things Stack Exchange

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1500 questions
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Difference between edge server and mqtt broker

As I am new to the IoT world, I would like to ask for a clarification. I was reading somewhere about the general idea of having devices communicating with each other or storing information in a database, through an edge server. And then I started…
Stathis G.
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LoPy4 Gateway (LoRa RAW) connection to Raspberry Pi and AWS Cloud

I am attempting the following setup: Sensor--> I2C--> Pycom LoPy4(Node)-->LoRa-RAW-->Pycom LoPy4(Nano Gateway)-->RPi-->AWS I have established the LoRa RAW connection between the two LoPy4s, now I want to know how to connect the LoPy4 (Nano-Gateway)…
Yash Deep
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How can I play play custom MP3 file in echo show 5/ Alexa device?

I have ECHO show 5 device at my home. I have a mp3 file on my smartphone which I want to play on my voice command by amazon ECHO. I am ok to upload this file if echo can support it. How can I do this activity with alexa? Note : I am aware about…
Amol Patil
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Speech recognition using esp8266

I'm working on a project where I have to send voice through mic to a Speech recognition API using esp8266 where the voice is get processed. Is there any possible way I could do this with esp8266? I found a similar project but it is not written for…
sai vamsi
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Are nodes that are mobile in a IoT network more vulnerable to certain types of attacks?

I have my final year dissertation coming up and I'm thinking of doing a project where I evaluate attacks on an IoT network using Contiki/Cooja simulator. The project as it stands is too simple and has been done a few times. I'm thinking of adding…
Jeff
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esp32 on matlab

Since nodemcu esp32 is not listed in the arduino package board, how do I configure the board for arduino set up and configuration? Also, is the only way to send data to matlab through wifi is by using the thingspeak?
Nur
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Why one should choose GraphQL instead of MQTT for an IOT project?

Just got assigned to the IoT Project. It is regarding a simple IoT cellular device that pretty much acts as a garage door control. The device can be called using the phone and then opens the gate, what it also does is querries a "cloud platform"…
Oli Řeháček
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z wave and zigbee development boards

ESP8266 provides an amazing environment to build iot devices for smart home. I managed to build all kinds of gadgets raging from simple temperature and humidity recorders to more advanced actors with sensor motions and appliance controls. There are…
arthur
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Wanted: open source communicating, self contained, IoT source code firmware

this question could be borderline off-topic here, but I dare asking it still here for academic purposes. If it is off-topic, send me an email to basile@starynkevitch.net mentioning the URL of this question, even when it becomes closed context:…
Basile Starynkevitch
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Can I push data from Home Assistant to a webpage?

I've just started to set up a home assistant instance, and I'm thinking that I'd like a way to publish some of the data in a 'read-only' sort of sense to a cloud-hosted web page. Obviously, I could just open a port to my LAN, or sign up for Home…
Sean Houlihane
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Google Nest without a Subscription to Nest Aware

TLDR: Are there work arounds for smart cameras (specifically Nest) to not need the subscription service? Like many companies today, Google has taken to selling subscription services. My wife and I want to install a number of cameras in and around…
J Crosby
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can I use Azure MXCHIP IoT DevKit with google cloud

https://www.seeedstudio.com/AZ3166-IOT-Developer-Kit.html I am planning to setup a project that can work with both google cloud IoT and Azure IoT. Is it possble to reuse Azure IoT kit for that ?
Jigar Shah
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Which IDF to choose for ESP32 developent team

I and my friends are getting started with ESP-IDF. We want to get familiar with Embedded C development and ESp32 seemed to be a very good candidate for our later needs. The problem is there are several versions of ESP-IDF and we are especially…
AGoodStudent
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Dev version of ESPHOME missing libraries?

My ESPHOME (DEV edition 1.14.0) installation on my Home Assistant Lovelace setup (RPi) is showing spurious apparently CSS-related stuff on the main screen. On the log, I see the following: Any idea what I can do about this?
JimS-CLT
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How to take data from multiple BLE devices into a central device simultaneously?

Firstly, I am very beginner in BLE domain. I have very little knowledge about it. I have Adafruit Feather 32u4 Bluefruit LE module. I want to do a project where multiple BLE peripheral devices connected with a central BLE device(Andriod phone).…
Prayuktibid
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