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LED ceiling panels: driver with alexa/home automation capabilities

I have 3 LED ceiling lamps, unfortunately they're using some proprietary protocols for communication. The chip used in remote is PL51WT020: PL51WZ020 (PMicro website) Is there a way to control the ...
Marcin's user avatar
  • 11
0 votes
0 answers
31 views

Private ip in raspberry pi?

I have a Raspberry pi 4 that is connected to a therm sensor ds18b20. The Raspberry Pi is running a flask application in 0.0.0.0 in port 5000, the app gives the current temperature using the sensor ...
Rodrigo Veiga's user avatar
4 votes
1 answer
397 views

Is it possible to use LG's ThinQ without internet access?

For obvious reasons I do not want my home appliances to be on the Internet. It boggles the mind why manufactures think this is okay, and even more boggling that people seem to accept it. Anyway... ...
Tuaris's user avatar
  • 41
1 vote
1 answer
42 views

What does this Amazon echo light indicator mean?

My echo keeps showing this indicator. It goes on for a long while, stops some time later, but then I notice it's happening again.
black's user avatar
  • 111
0 votes
0 answers
18 views

incorrect values in array in node-red

I am new to Node-Red and I need to create a small system where three input values of the power phase need to be summed. For this, I am using the "join" node to create an array. But the ...
LAMA's user avatar
  • 1
0 votes
0 answers
42 views

Uploading Tasmota to Water Heater

I wish to use a new smart water heater with Tasmota. MCU is TYWE3S, and it has a ready made tutorial which was carried out as planned. Installation succeeded.. BUT after flahing and assmbling it all ...
guyd's user avatar
  • 871
0 votes
0 answers
48 views

How do I detect button presses from a ble device?

I've been working on an app in flutter that connects to a ble device and responds to button presses from the device. I've tried various packages and frameworks and none works. I decided to try nrf ...
user22329354's user avatar
1 vote
1 answer
290 views

Best practice way to deal with SIM cards and APNs

In my application there is a 2g/4g modem that I control via AT commands. In general, what is the approach to knowing what APN to specify when setting up a context? I'm trying to avoid hardcoding (or ...
Nik's user avatar
  • 111
0 votes
2 answers
65 views

Possible reasons why my Alexa turns on the wrong light

We have multiple IoT devices at home. For this explanation, we're concerned about the bedroom lights and kitchen lights. I have two Alexa devices, the main one is in the kitchen (Echo Show) and the ...
Aurora A's user avatar
  • 109
1 vote
0 answers
11 views

Non Windows based approach to parameterize KNX devices

I was looking for ways to parameterize KNX devices, and could only find the ETS Software which requires a working Windows installation. Are there more options?
Harald Thomson's user avatar
1 vote
2 answers
136 views

MQTT not connecting to local broker

I am really new to IoT and MQTT. For my project I want ESP32 to send data to node-red as a part of visualization requirement. I am running a broker (mosquitto) locally on my PC (Windows 11), I ...
Zak's user avatar
  • 11
2 votes
1 answer
91 views

request plate number from Tattile camera

I am using a Tattile camera with ANPR and trying to use it with customized SW following ANPR_DeveloperGuide_E.pdf. I managed to access all functionality (getting data, setting data, requests including ...
LeifSec's user avatar
  • 31
1 vote
1 answer
25 views

Zigbee network - Joining several brands to a network

I'm new to Zigbee, and I iwsh to create a Zigbee network. I bought a Sonoff Zigbee dongle to connect it to a Home Assistant (on raspberryPi), and now I want to buy Zigbee devices. How can I tell if an ...
guyd's user avatar
  • 871
0 votes
0 answers
39 views

Athom - flashing your own firmware

I've bought Athom's Curtain and 4 gang touch wall switch. Both came pre-flashed with Tasmota. I guessed that UART's pins will be exposed more clrealy, but not. I'm looking for manuals such guide, or ...
guyd's user avatar
  • 871
0 votes
1 answer
48 views

What is the difference between using CreateCertificateFromCsr and CreateKeysAndCertificate?

When doing fleet registration of IoT devices on AWS' IoT, what is the difference between using CreateCertificateFromCsr and CreateKeysAndCertificate? They seem similar enough to where both are not ...
kackle123's user avatar
  • 103
0 votes
0 answers
50 views

Use HomeLink button in car to toggle light controlled by smart switch

A few months ago, I bought a 2023 Honda Civic with built-in trio of HomeLink buttons. I don't have a garage, but I do have a front porch light I'd love to be able to toggle on and off from inside the ...
Bitbang3r's user avatar
  • 101
0 votes
0 answers
30 views

Small switch to power something off or on

I need a remotely controllable switch to power my ventilation off and on. So it should switch 220V off/on, and it should be small because the available space is 80mmx54mmx21mm. My homematic switch ...
J Fabian Meier's user avatar
-1 votes
1 answer
33 views

How to build a roll call IoT app?

I've brainstormed an idea for an IoT hobby project but don't know exactly where to start in terms of the implementation. Here's the idea. 10 of my friends who live <.5 mile radius of my house like ...
DW2702's user avatar
  • 3
0 votes
0 answers
8 views

Verification of CMAC

How to Verify CMAC in install for install command in javacard.. I used the process given below but this method not able to verify Key = Session Key for CMAC, IV = CMAC which is given in external ...
iamzaidsarwar_'s user avatar
0 votes
0 answers
20 views

Why xargs cannnot receive input parameters through pipe?

Ubuntu 20.04 LTS Shell 1. mosquitto_sub -h 192.168.1.3 -t "application/2/device/df9cde4119c814ef/rx" -v application/2/device/df9cde4119c814ef/rx {"applicationID":"2",&...
guanbo's user avatar
  • 1
0 votes
0 answers
12 views

How to include a timer in a nightly routine for lights?

The use case I'm trying to solve is that after dinner our early teenage kids keep coming into the kitchen and leaving the light on. We moved into our current home in January and have a collection of ...
DWGKNZ's user avatar
  • 101
0 votes
0 answers
27 views

No router device sees my ethernet cable, but all my endpoint devices see it

This is a weird one. I live in a very remote area with no wired internet options, so I have set up a 4G router about 75 meters from the house in a spot where 4G reception is good enough. I'm running a ...
Matrefeytontias's user avatar
0 votes
1 answer
50 views

How to inspect trail camera network

I was recently given a trail camera, "wildlife camera." It works great, but the mobile app to connect and see the pictures/videos is very janky and hard to use. I write software for a living,...
icicleking's user avatar
1 vote
0 answers
17 views

Turn off radiators when windows open using SmartThings, Google Assistant and maybe Tado

I'm trying to setup a system, so when my windows are open, my radiator valve (in that room) turns off. And vice verca. I have Google Assistant and SmartThings setup in my house. I can see, that ...
Zeth's user avatar
  • 111
2 votes
0 answers
49 views

Query regarding setting ESP32 eFuses for restricting USB firmware access

I am currently working on a project where I need to restrict the ability to read and write firmware through the USB interface on the ESP32. To achieve this, I have attempted to set the following ...
Hamza Abbasi's user avatar
1 vote
0 answers
84 views

Multi-admins/fabrics in Matter protocol

I am a newbie Matter protocol developer. I am trying multi-admins/fabrics features. Could you please tell me how many ways to add a new admin into a node? Is the way to add without re-open the ...
IcyWater's user avatar
1 vote
0 answers
24 views

Intended use of Azure's Device Provisioning Service for IoT hubs

Suppose I have many IoT devices in the field that are only powered on intermittently. These devices are automatically provisioned using Azure's DPS. Suppose also I'm using SAS token which expire in 24 ...
Jean Valjean's user avatar
1 vote
0 answers
122 views

LoRaWAN Multicast setup

I'm trying to create a LoRaWAN network with multicast using TTN. I have followed several videos and accessed anything I could find, but fundamentally it seems I cannot understand concept behind the ...
XarionXRC's user avatar
1 vote
1 answer
105 views

Gateway receives Join Request from end device, but it doesn't accept

I'm quite new to IoT in general. I have a Dragino LPS8v2 gateway, and I would like to create a private LoRaWAN network for my end device (TTGO T-Beam). What I did : configure GW's LoRa parameters (...
snowflakeluffy's user avatar
4 votes
1 answer
439 views

Do Matter over Thread IoT devices have WAN access?

This is a seemingly simple question. But I can't find an answer. Suppose I have a smart switch or light bulb, or similar Matter/Thread IoT device in my home. Can that device talk to the internet? Let'...
richb's user avatar
  • 140
1 vote
0 answers
21 views

Magnetic sensor NAS-DS01W0 (security concern about my network)

I am writing because I am a little unsure about a device I have just purchased and installed in my home network. I have bought a magnetic sensor to detect if a door is opened and closed. The model is ...
Xenetrix's user avatar
  • 111
1 vote
0 answers
18 views

ESP32-S3 with AWS-FreeRTOS. Can't create a proper JSON with asprintf()

I have a MAC MOnterey 12.6.3 and installed all necessary espressif toolchain. I just installed AWS-FreeRTOS in a ESP32-S3 and ran the mqtt/tls_mutual_auth example. This example is to publish a hello ...
IgorAlves's user avatar
  • 141
2 votes
0 answers
365 views

Paho MQTT Client - on_message callback never happens

I have a Mosquitto MQTT broker (mosquitto version 2.0.11) running on a Raspberry Pi. It is publishing regular messages on a specific topic, which can be seen by running $ mosquitto_sub -h 192.168.27....
tim11g's user avatar
  • 121
0 votes
0 answers
48 views

Which microcontroller should I select for my project idea?

I am an IT engineer but always wanted to learn electronics and IoT. I have a project idea in mind for which I am unsure which MCU should I use. I have previously used Arduino, ESP8266, and ESP32 for ...
Mihir Kandoi's user avatar
0 votes
1 answer
295 views

Can't Connect to ESP32 in AP Mode

I'm trying to connect to an ESP32-WROOM-32 in AP mode, using the following micropython code: import network ssidAP = 'WiFi_ESP32' #Enter the router name passwordAP = '12345678' #Enter ...
Darwin von Corax's user avatar
0 votes
0 answers
37 views

Universal control of ESP32

I need a help that, if exists a code, library, software which can control my ESP32 GPIO pins. ie, 1 code, connect to google home, alexa, home kit, home assistant, samsung smartthings, etc....(MATTER)
Nishith P Shetty's user avatar
2 votes
2 answers
282 views

Unable to run micropython on ESP32-WROOM

I just took delivery of a trio of ESP32-WROOM-32 dev boards and am unable to get micropython to run on them. I've successfully flashed sketches from the Arduino IDE, but after I flash the latest ...
Darwin von Corax's user avatar
0 votes
1 answer
244 views

Do Jetson Orin Nano-like systems with 8GB RAM suffice to experiment with large language models?

I would like to experiment with a platform that can run a virtual assistant (think e.g. https://mycroft.ai/) so to perform tasks like speech-to-text, conversations, text-to-speech, image segmentation ...
Davide Fiocco's user avatar
2 votes
0 answers
29 views

How to setup “my” AC on Alexa?

So I setup Alexa with multiple smart home ACs, one in my room and another in the guest room. I’ve given the name as Guest Room AC for that, and mine is Mohsin’s AC. But when I come home and say “Alexa,...
Saifur Rahman Mohsin's user avatar
1 vote
0 answers
30 views

Smart watch with eSim and continues heart rate and blood pressure [closed]

I'm looking for a smart watch model with eSim that gives me continues heart rate and blood pressure monitoring 24/7 with data transmitted to the cloud so I can see the reading from my PC. Any ...
Aviel Fedida's user avatar
1 vote
1 answer
112 views

In theory, can I deploy Matter protocol on my cloud platform?

In theory, can I deploy Matter protocol on my Cloud Platform? Then the Matter device (Matter node) will communicate with the smartphone (Matter controller) through the cloud when they are not on the ...
IcyWater's user avatar
1 vote
1 answer
722 views

Matter node behavior in Matter protocol

What is the difference between MQTT and Matter protocol? Can I send Matter message between two different networks if Matter devices using link-local address?
IcyWater's user avatar
1 vote
1 answer
99 views

How do I access my Matter devices when I’m not at home?

How do device developers and major platform providers in the world such as Google Home, Apple, Tuya, and Aqara do to control Matter devices remotely??? Do they still use traditional IoT protocols like ...
IcyWater's user avatar
1 vote
0 answers
29 views

Home app unavailable devices

With iOS home app, I’m seeing that all the devices on a particular bridge sometimes go offline until I restart my HomePod Mini. I know they’re not offline, since the HomePod turns them on or off with ...
Tinman's user avatar
  • 11
0 votes
1 answer
1k views

How to Control a TV via Google-Home and Smart Life

I've set up a MoesGo Smart IR unit with Smart Life for a friend to control a TV. I can now use the virtual remote control on my phone to control the TV which is quite handy when he looses the physical ...
Stormcloud's user avatar
0 votes
0 answers
97 views

How to use DIY keyboard connected to spi (gpio) of single board computer

I want to build a diy keyboard which connect to the spi interface of the gpio header of the orange pi 5 (ubuntu/linux). So far I have some sketches of the keyboard, the schematic is in progress. The ...
keyborder's user avatar
1 vote
0 answers
37 views

Sonoff T1 3ch connects when powered by FTDI, not when powered by mains

I have two Sonoff T1 3CH switches running Tasmota 12.4 which both exhibit the same problem. This works. Connect the Sonoff to my laptop via FTDI. Sonoff connects to my iot WiFi ssid This does not ...
pinoyyid's user avatar
  • 111
1 vote
1 answer
321 views

Unable to flash LilyGo 4.7 using PlatformIO

I'm trying to flash any of the official examples using PlatformIO on LilyGo-EPD47, which is ESP32-WROVER-E with eInk display. The sketch builds, but when it starts uploading I get the following error ...
Teneff's user avatar
  • 111
1 vote
1 answer
114 views

OPC UA vs MQTT for internal interoperability

I am working on a project which will require networking with multiple IoT devices and sensors (scales, temperature sensors, actuated switches, etc.). I am familiar with the MQTT architecture, while I ...
Rexcirus's user avatar
  • 231
1 vote
1 answer
213 views

Does Orange Pi 5 have PTP hardware timestamping support?

I'm looking for information about the Ethernet chip on the Orange Pi 5. I need an SBC that has PTP hardware timestamp support (IEEE 1588). According to OrangePi.org, the Orange Pi 5 has the Motorcomm ...
mattzbot's user avatar
  • 131

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