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1500 questions
3
votes
2 answers
LPWAN technology for remote environmental monitoring
What would be the most appropriate LPWAN technologies for environmental monitoring in a remote area, given the following:
The monitoring system would be made up of 3 to 10 nodes located within a circular (star) pattern with a diameter of at least 5…
Alexander
- 131
- 1
3
votes
1 answer
Smart gate - where to start?
I have this idea of writing an app/something to make the gate, that we have in front of our house, smart. But I just don't know where to start.
I assume that the gate uses IR because we have remotes for it, but I'm not sure. The gate also has a…
G Buis
- 133
- 3
3
votes
1 answer
How does the MQTT server output a single raw file from multiple client publications?
I'm trying my first IoT project whereby I want to:
have an electret microphone capture audio
have an ESP8266 NodeMCU 12-E board submit captured audio to a remote server
have a remote server receive the audio data using an MQTT server
publish the…
learningtech
- 337
- 3
- 10
3
votes
1 answer
Echo Dot - Can you ask Alexa to remind you of your favorite TV shows?
I’m able to find TV skills for Alexa, but none of them (that I can see) will check the schedule and remind you of your favorite TV shows. I know I can set a reminder for them, but if the show time changes or the season ends, I don’t want to have to…
user256430
- 131
- 1
3
votes
1 answer
Are Over-the-Air Updates possible with NB-IoT
I'm trying make an IoT device which I want be a highly power saving one & want it to work in a remote static environment. So I plan to make a circuit with a "SARA" NB IoT module. Now I want to know if FOTA is possible with NB_IOT.
Yana
- 33
- 3
3
votes
2 answers
Non-internet-connected "smart" thermostat/thermometers
I am aware that there are many emerging standards and products all focused on making my internet-connected home accessible from anywhere. I am exclusively interested in a solution where there is no internet connectivity - though there is a wired…
aSteve
- 131
- 3
3
votes
1 answer
Will my Raspberry Pi home automation hub be able to do all that?
I am setting up a DIY home automation, and just planning how my solution will look. I will have a Raspberry Pi 3 as the "hub" of the network
It will run Node Red, MQTT (mosquitto), a DotNet website, database, and reverse proxy server, and possibly a…
AndrewP
- 133
- 4
3
votes
1 answer
Can Alexa determine a switch state?
I have a virtual switch set up through Hubitat that actually opens and closes my garage door. I can say "Alexa open Pete" and she will turn the virtual switch on which opens the garage door. Also I can say "Alexa close Pete" to close the garage. The…
Eric F
- 201
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3
votes
3 answers
DIY smart button to trigger phone app
I am planning on making a button that is when pressed sets an alarm on my phone. I am planning on making an app that is creating the actual alarm, the app just have to be triggered by the hardware button.
My questions are:
Is this possible without a…
Lukas Petersson
- 31
- 4
3
votes
1 answer
POST messages in JSON to mosquitto MQTT not being received from node-RED mqtt node
Not sure how much better I can phrase it in the question but i'll try to explain to the best I can.
What I am trying to do:
Using IFTTT Webhook to POST a JSON message in MQTT Format.
POST URL: test.mosquitto.org
E.G:
{
"payload:":…
Eric Lim
- 161
- 8
3
votes
1 answer
Add Regional Language in Google Assistant?
Can one add regional language oneself to Google Assistant? Is there any library, tool, etc. available to incorporate support for regional languages, not supported by Google?
blackbox007
- 31
- 1
3
votes
2 answers
Pushing Processed data from RFID + Sensors to a Platform
I have some sensor nodes (Bosch XDKs) that send information to an MQTT broker and an application reads the information and stores it into InfluxDB. Simultaneously, I have RFID readers that scan some tags and send the information to a MongoDB. Based…
Shan-Desai
- 1,528
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3
votes
2 answers
How do smart plugs connect to Wi-Fi via mobile applications?
All smart plugs generally have same method of connecting to Wi-Fi and with the mobile application.
It's like
Check the Wi-Fi light on device
Search for device's Wi-Fi broadcast and connect
Add home Wi-Fi SSID/password in the app
Control the…
Sarath
- 131
- 2
3
votes
2 answers
How do smart plugs of domotic IoT work?
I was wondering how smart plugs work, how they can be controlled and how secure they are.
Since they are part of your local network and since they can be controlled remotely even from another network I am expecting they have have some…
Francesco Boi
- 541
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- 12
3
votes
0 answers
How do you turn on Amazon Music history?
Recently my Amazon Music account stopped recording music played history. I would like to be able to keep an eye on the music my daughters are playing. I have looked all over and cannot find the setting to turn this on -- it used to be there until…
Kevin
- 31
- 1