Internet of Things Stack Exchange
Internet of Things Stack Exchange

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1500 questions
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Using NodeJS to create custom Google Assistant triggers

I am creating a storage system where I'd like to have triggers as: Ok Google, Add 5 blue papers to paper box Ok google, Find blue papers Ok google, take 2 blue papers Basically custom triggers starting after "Ok Google." Is there a way to get…
Aninano
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Trying to read thermostat value controlled by Alexa with ESP8266

this is my situation: I have a thermostat in my bathroom which is controlled by Alexa. Now I want to automate my ventilation. For this I want to use a ESP8266 NodeMCU with a humidity sensor and a servo. However, the servo should only open the…
max_schl
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Check Home Assistant health

My Home Assistant (RPi4) keeps crashing. I'm not sure why, but I need to keep it running. My first plan was to task another computer on the network (I have many...) to ping the HA RPi4 every minute or so and cycle power on the HA server if the ping…
JimS-CLT
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Can't Connect to ZigBee Devices (Raspberry Pi4, HomeAssistant, Docker-Compose, ConBeeII)

I'm stumped on this one - everything appears to be correctly configured and working properly...except that HomeAssistant can't discover any ZigBee devices. Adding the ConBee II appears to work just fine (recognized under the mapped address as…
Christian
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List of Drones with MAVLink support

I am starting to learn how Drone communication works and I think it would be best to buy one where I can use the Dronekit library. I've been searching the internet for drones that are compatible with the MAVLink protocol but the description on the…
Ícaro Lorran
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Are micron feature-size LIDAR sensors available?

I want to scan various writing materials such as card, cloth, various grades and qualities of paper, wood, even hemp-based or other writing surfaces. The reason is I wish to write a GPU-accelerated font rendering library that would realistically…
Thomas Browne
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How to setup a one-writer, one-reader system between a python script updating data from my home computer and an RPI reading the data?

This is my first project involving IOT, or even very much internet protocol for that matter. THE SHORT: I have a few programs on my home computer that search for live stock price data continuously. I have also designed a stock ticker from an RPI…
EbitdaMonster
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Alexa spoke in a foreign language without prompt

Today totally freaked me out. I was in a back bedroom and started walking down the hallway to our kitchen where Alexa sits. I heard a voice from the kitchen (I was alone at home and had been for 2 days), rounded the corner to hear her speaking in…
Tami Butler Booth
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Google Assistant, custom command with a custom response

I'm looking for a way to reply on a custom command with a custom text in Google Assistant. E.g. "Hey Google, what's the temperature in my Living Room?" - "In your living Room you have 22°C" Solution's I tried so far: Dialogflow/Actions SDK: The…
Rafael Jarosch
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Aggregating logs from embedded devices

I'm trying to aggregate logs from multiple embedded devices in centralized place to be able to analyze them. This is how system looks like: I have number of embedded devices. Some deployments are on-site and system might not have access to the…
bca
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ESP32 Real Time Data Plot in TCP client

I am implementing a oscilloscope GUI to visualize the data coming from the I2S mic connected to ESP32. The data is transmitted to ESP32 over WiFi through TCP socket connection to PC client where the GUI is made. This is ESP32, server side code. void…
Buddhika
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Can Google Nest Hub be set to have custom welcome and check-out messages for Airbnb guests?

I'd like to have a Nest Hub give some basic info to guests when they check in, then a reminder the day before check out and on the day of checkout, a little checklist (I'm imagining an actual form with checkboxes that can be checked that sends to…
brentonstrine
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NB-IoT mobility issues

I have been reading about LTE-M and NB-IoT technologies, and it is mentioned everywhere that NB-IoT is only good (at least at its first release) for stationary applications, and on the other hand, LTE-M can better handle mobility. Unfortunately, I…
NickG
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Method to send data from a device to a backend

I have tasked myself with building a simple temperature sensor device, using a thermocouple and stm32 microcontroller. I want to be able to take readings at regular intervals (every hour or so) and log them to a Mongo.DB database. To accomplish the…
Suva23
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Protocol that supports data integrity with intermittent connectivity?

Currently we are using LwM2M but we are running into use-cases for which we can't find neat LwM2M features. I also looked at MQTT but it seems to have the same struggles. These use-cases include: Configuring sensor settings (e.g. temperature…
Kodiak
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