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1500 questions
6
votes
3 answers
Range of BLE and IEEE 802.15.4
In theory, IEEE 802.15.4 (ZigBee, Thread etc.) can achieve a much larger range than Bluetooth Low Energy (conventional, not coded PHY) due to its usually higher sensitivity (see for example here or here).
I have noticed the same in my own…
koalo
- 699
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- 13
6
votes
1 answer
Home Assistant on Raspberry Pi Zero W
I tried to install Home Assistant on a Raspberry Pi Zero W, following this blog post.
I followed all steps, including starting the daemon as needed.
WiFi is connected, and accessible via ‘ssh’
After 30 minutes, verified using ‘htop’ that update…
guyd
- 899
- 9
- 17
6
votes
1 answer
aws iot - mosquitto_sub does not subscribe
This is my policy document:
{
"Version": "2012-10-17",
"Statement": [
{
"Effect": "Allow",
"Action": "iot:Connect",
"Resource": [
"arn:aws:iot:us-east-2:000000000000:client/sub",
…
cogitoergosum
- 1,091
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- 18
6
votes
0 answers
How to prevent other unauthorized users in the home from Chromecasting videos using the Google Home Mini?
Is there any way to prevent unauthorized persons from Chromecasting videos using my default YouTube account that's attached to my Google Home Mini?
I wish my voice were the only one authorized to cast videos using my personal YouTube account, and no…
ShieldOfSalvation
- 271
- 1
- 7
6
votes
2 answers
Do integrated smart plug sockets exist?
I've seen a lot of Smart Plugs for sale online like the ones below.
The next logical step to me seems to have integrated plug sockets in the wall as the smart plugs are quite bulky. But I can't for the life of me find any...
Do they exist? If so,…
jampez77
- 361
- 1
- 7
6
votes
1 answer
Remote switch to activate smart outlet
I have quite a few smart outlets that I run through a wink hub and use Alexa to activate. It all works great. However I would like to have a switch on the wall for some of them also. Is there a way to do this. I am open to IFTTT. I just didn’t know…
Jim
- 61
- 1
6
votes
2 answers
Send values from HomeAssistant to ESP8266 via MQTT
I would like to send values from the HomeAssistant to an ESP8266 via MQTT. I have already successfully done it the other way around (sending temperature values from the ESP to HomeAssistant via MQTT) however now I would like to be able to send…
404response
- 61
- 1
6
votes
1 answer
Ring doorbell and echo dot interaction
I have a Ring Video Doorbell 2 and an Amazon Echo Dot. I cannot hear the chime of the doorbell throughout my home. There is an Alexa Ring Skill that seems to focus on the video. It technically does not support the Dot, but it installed fine, it just…
StrongBad
- 161
- 1
6
votes
2 answers
How do I build a web application using AWS IoT connecting to a factory floor?
I want to build a web application using aws Iot.
I build SCADA systems for different companies.
I have a modbus rtu master(raspi) connected to many slaves on a factory floor.
Modbus master is controlling a robotic arm and monitoring it's…
user2326642
- 61
- 1
6
votes
1 answer
Alexa app: How to choose the device to drop in on
I have multiple Alexa Dots on my account and when using the app on my Android phone I do not get the option to choose which device to drop in on. It constantly defaults to one device. When I try a verbal command with the device name it tells me it…
Neenga
- 61
- 1
6
votes
2 answers
By what mechanism are IoT widgets vulnerable to hacking?
I hear news stories that millions of thermostats and fridges have not been properly secured by their manufacturers. I could understand how something running linux with sshd running (as it might well be to enable development) could be accessed.
I am…
Neil_UK
- 161
- 2
6
votes
1 answer
Simulation tools for centralized, decentralized, or distributed wireless sensor network
I want to simulate the collision avoidance between different objects that use (IoT based) centralized, decentralized, or distributed wireless sensor network. What are free software available to achieve my goal? I would like to know which one is…
maxpayne
- 161
- 1
6
votes
2 answers
What are the differences between Modbus addressing zones?
I am trying to implement a control software (client) that communicates with a number of distributed devices (servers) over Modbus. I have been reading device documents to find out where the data I want to collect is stored in registers, but I never…
Seth
- 183
- 4
6
votes
1 answer
How to register an IoT device to a user account
I'm designing on an IoT device that connects to a web server and publishes/subscribes to the MQTT service. Users download an iOS app to setup/register/use their device.
Question:
What's the recommended way of registering a user and connecting their…
Scott
- 161
- 2
6
votes
2 answers
Does a battery-powered light switch exist to control a smart plug?
I have an apartment with no light switch or ceiling light for the living room. I have a lamp that's plugged into the wall. Because it's an apartment, I can't just install a physical light switch.
All I would like is to connect my lamp to a smart…
homersimpson
- 161
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