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2 votes
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How can I install custom CA certificate to Sonoff NSPanel Pro?

I have installed a Home Assistant to Sonoff NSPanel Pro according to this guide: https://blakadder.com/android-panel-webview/ finally I installed the Home Assistant. When I tried to connect to my home ...
Dániel Kis's user avatar
3 votes
0 answers
136 views

Esp32-c3 not able to connect to home router

I have bought 2 ESP32-C3 from Waveshare and tried many tutorials on how to connect them to the home router. None of the code I used worked including the micropython example, Arduino example and not ...
Nissaba's user avatar
  • 131
0 votes
1 answer
49 views

How can tell Alexa to use a different sound level for Notifications

I have a Fibaro Home Automation system with multiple Alexa devices. When someone leaves any of the 3 garage doors open, I have Alexa automatically notify us between 8pm and 11pm, hourly that the ...
Rohit Gupta's user avatar
1 vote
1 answer
152 views

Why is Alexa telling me to dial emergency services?

When I tell Alexa to be quiet, it often, but not always, responds with this. https://youtu.be/DZssCjoTg-0 We have our wake word set to "computer" because Star Trek. As you can see from the ...
James Geddes's user avatar
1 vote
3 answers
76 views

Using Tuya water leak sensors to control water level

Is it possible to use a pair of Tuya water leak detectors & two irrigation timers (TM1 - out & TM2- in) to create a setup to auto-cycle aquarium water? My idea is to have the two leak sensors ...
miCRoSCoPiC_eaRthLinG's user avatar
2 votes
0 answers
41 views

Smart Lock - nRF52840, Thread, Mqtt or Nats Questions

I am designing a battery operated smart lock with pin pad and cloud api and really trying to understand how I can make this work. IOT Smart Lock Device Requirments: 4x aa batteries should last ...
Joseph Grasso's user avatar
1 vote
1 answer
58 views

Is there a way to quickly detect when pilight stops working?

I have a number of pending updates on my raspberry pi. Until I take a day to perform all those updates, I'm sitting at pilight version v8.1.5. Updating may potentially solve my ultimate problem, but ...
hepcat72's user avatar
  • 175
1 vote
0 answers
43 views

What simulator is appropriate for modeling intrusion detection and prevention in large-scale static wireless sensor networks and simulated attacks?

When it comes to simulating intrusion detection and prevention in large-scale static WSNs, the choice of simulator is crucial. These networks, comprising stationary sensors (independent low-power ...
baxbear's user avatar
  • 121
2 votes
3 answers
80 views

HTTPS inside a LAN

I read this before posting. I hope my question is on-topic here. I'm working on an almost-IoT device that has a limited interaction with the Internet. Let's think about an "offline" product ...
Mark's user avatar
  • 715
1 vote
1 answer
107 views

IoT Devices are getting disconnected from WiFi, TP-Link AX1800

I'm having a weird behaviour of Tasmota (v.13) on 82866 devices, that hang up spontaneously (happens at different times, for different durations). For example, they can be connected for 12 hours and ...
guyd's user avatar
  • 871
2 votes
0 answers
38 views

Best way to implement public blockchain for IoT?

I'm attempting to build a blockchain network of IoT devices that would allow public access such that any person around the world could push data to it and there would be an immutable record of all ...
Samuel stankiewicz's user avatar
2 votes
0 answers
33 views

LoRa - How to forward packets?

I'm working on a system where LoRa Module 1 forwards packets. In this setup, when a user is connected to Module 2 (linked to an ESP32 board and acting as an access point), and they enter a URL like &...
hirdesh mewada's user avatar
1 vote
0 answers
33 views

How WiFi band steering affect 2.4GHz only connected object?

I recently installed a 2.4GHz-only smart bulb on my 2.4/5GHz WiFi using band steering, and I discovered that the bulb can't connect to my WiFi unless I split 2.4 and 5GHz under two different SSIDs. ...
MarcAntony's user avatar
2 votes
1 answer
289 views

How to tell Amazon Alexa not to suggest or announce movies to me

Alexa just flashed that I had a notification. When I asked what my notifications were, the device started telling me about a new Timothee Chalamet movie. I don't want the device to suggest movies to ...
TimR's user avatar
  • 121
2 votes
1 answer
53 views

How to control smart bulbs using both the wall light switch and using voice?

I want to be able to turn my smart lights on by using Alexa and my voice and the wall switch. Example like I turn it off by voice and then be able to turn it on by the switch and vice versa
Liz LaRive 's user avatar
1 vote
1 answer
53 views

Can I nut-in an Ethernet connector (from 28 gauge) to 12 gauge so that I can run Ethernet out to my detached garage?

I have a detached garage that has its own electrical panel. The previous owner of the house was an electrician and it's done really well, however, there is not a very strong Wi-Fi signal in the garage....
hepcat72's user avatar
  • 175
2 votes
1 answer
110 views

extracting MQTT messages

I'm working on my first MQTT data collection project, and I need to write all the messages into one text file for later analysis. I do a little embedded programming in C, but I haven't written ...
PhysicsGuy's user avatar
1 vote
0 answers
42 views

How does the anti-metal uhf rfid tag work?

When the RFID tag is close to the metal, because the metal has a strong reflectance to electromagnetic waves, it will be accompanied by a weakening of the signal, the card reading distance will become ...
Coco Huang's user avatar
2 votes
0 answers
27 views

ModbusRTU-MQTT Gateway Hardware

I am using currently a ModbusRTU-MQTT Gateway (HD67933-4-B2) to access a AC climatisation Device from Toshiba. A Intesis AC-Interface Device is converting the proprietary Toshiba Bus from the AC to ...
user20592's user avatar
1 vote
1 answer
67 views

Sengled Smart Plug with Echo dot

I bought a Sengled Smart Plug with Echo dot and I tried to connect them. Alexa found the device and there is a set-up option. I click it and follow instructions. It's finding the device, connecting, ...
Michał Piotrak's user avatar
1 vote
2 answers
99 views

Outdoor smart plug with real-time energy monitoring and notification

I live in Australia. I have a garden bore with an electric bore pump for garden reticulation (irrigation). The bore supplies water to taps (faucets) in the garden, as well as sprinklers that are on ...
Grant156's user avatar
1 vote
2 answers
305 views

Using a smart-relay or a smart-switch to automate smart lights

I have a couple of smart bulbs in my living area. I have a couple of presence sensors (with lux sensors) in the same room as well. I want to be able to automate the lights so that when someone walks ...
Arpit's user avatar
  • 170
1 vote
1 answer
67 views

Calibrating MPU6050 sensor

So I'm using an MPU6050 module for detecting the impacts on a board to which it is attached, in-order to detect hits on the board, using the accelerometer sensors. The module is placed vertically(z-...
fractal397's user avatar
0 votes
1 answer
38 views

How can I ungroup these permanently grouped speakers on my Heos System

I am using a Heos / Denon system. I have speakers in each room with home theatre support in two rooms (Living and Lounge). For some reason these two rooms are permanently grouped together. I can ...
Rohit Gupta's user avatar
3 votes
0 answers
26 views

How to use multiple characteristics when implementing Bluetooth Low Energy on HM-10?

I am implementing BLE with a HM-10 connected to an arduino UNO. I have encountered an issue where attempting to add another characteristic results in the overwrite of the first one, leaving me with ...
Giorgi Datunaishvili's user avatar
1 vote
1 answer
53 views

What kind of 13.56 MHz NFC cards are there?

EDIT: when mentioning "cards" in the question below, I mean the kind of badges/cards you can but at Aliexpress that claim to be "magic" cards (or that ndo not claim anything and ...
WoJ's user avatar
  • 855
1 vote
1 answer
253 views

How do I control a device that works with Z-Wave JS UI via a published MQTT message?

I have a setup where I am running a simple mosquito server for MQTT. I then run the Z-Wave JS ui project to interact with my zwave devices. This works great and I see the messages showing up in MQTT ...
Jackie's user avatar
  • 111
2 votes
0 answers
44 views

Transforming Semtech LR1110's NAV message (GNSS data) to location information?

If I have Digital Matter's Yabby Edge Cellular devices and would be interested in knowing and reporting their locations, is there any sensible way to achieve that other than using Digital Matter's ...
MJV's user avatar
  • 121
2 votes
0 answers
61 views

Is there a cheap satellite modem for IoT?

I just want M2M data transmission, low rate is ok, latency is not a major problem. I am talking anything from a few kB to a few mB of data per device, per day, and have no problem with latency of a ...
Mawg's user avatar
  • 3,110
1 vote
1 answer
25 views

aeotec aërQ temp/rh sensor or zwave-js not reporting state change

I have a simple iot app: raspberry pi 4 aeotec Z-stick7 aeotec aërQ temp/humidity sensor mosquitto zwave-js-ui The setup works fine, yet state changes are not being reported so often. Yesterday ...
minisaurus's user avatar
1 vote
0 answers
27 views

How can I mitigate my energy monitor losing its accumulated totals?

I recently added a power monitor to our homelab, flashed it with ESPHome and configured some mini-graph-cards to visualise power and energy use. Everything looked good, until I started to see frequent,...
Mark Booth's user avatar
1 vote
1 answer
50 views

If hackers get ahold of your physical IoT device, what's the purpose of using secure/crypto-chips?

Trying to design some secure firmware here and running into a brick wall regarding the use of crypto-chips. We are considering using this one here: https://www.microchip.com/en-us/product/ATECC608B. ...
Mike's user avatar
  • 113
2 votes
0 answers
43 views

AWS security certificates with Shelly smart plug

When creating a "Thing" in "IoT Core" AWS let me download 5 security related files: Device certificate: ???-certificate.pem.crt Public key file: ???-public.pem.key Private key ...
tipo1000's user avatar
1 vote
1 answer
62 views

Flashing Athom Wall plug ESP8285

I'm trying to re-flash an Athom plug (bought pre-flashed with HomeKit firmware) using FTDI adapter. Shown here is the exact ESP8285 (different plug sub-model). AFAIK ESP8285 is a similar MCU to ...
guyd's user avatar
  • 871
2 votes
2 answers
79 views

How can you send data (via cellular) from an Arduino to a server?

I'm pretty new to IoT so forgive the basic questions, but I need to send data from an Arduino that is constantly collecting sensor data to a home server. I wanted to know where to start with this ...
pop's user avatar
  • 21
0 votes
0 answers
53 views

Sending data to server every second with http-request

I'm sending few bytes of sensor data to server with http.POST every minute and it's working. Next I want to send 20 bytes every second with http.POST. I was told server would take that as an attack ...
tipo1000's user avatar
2 votes
1 answer
67 views

Matter for pre-certification use

I'm developing a Smart Home product (Wi-Fi Only), in which all cloud-based communication is done, and LAN-eabled communication with our intended mobile application is done. An upcoming feature is the ...
Hamza Hajeir's user avatar
0 votes
0 answers
36 views

ANT+ bicycle shifting bypass

I have electronic shifting on bike and I want to bypass it with my computer. So now, the network topology is: controller <--> derailleur and I want it to be: controller --> PC with ANT+ usb ...
Pepam's user avatar
  • 1
0 votes
0 answers
24 views

Raspberry Pi 3 kubernetes face recognition cluster

I need an advice whether this system is possible the way I planned to implement it. I got a project to build a kubernetes cluster for face recognition using raspberry pi 3 devices. The idea is to have ...
Marko Saratoga's user avatar
1 vote
1 answer
42 views

TLS Certificate life for IoT System

I'm developing an IoT product's software, where it runs HTTPS client. Given that the certificate of servers are renewed every year, it's not that issue while we're authenticating against the ...
Hamza Hajeir's user avatar
0 votes
0 answers
25 views

How to reconnect to Google Home devices after signing out?

My wife was concerned that she had a virus on her PC. Out of an abundance of caution, she used the "sign out of all my devices" option in Google Home on her laptop. The devices (Nest ...
John Gordon's user avatar
0 votes
1 answer
44 views

Arduino LoRa communication protocol

I am fairly new to IoT and to all kinds of Arduino chips/sensors etc.. I am trying to understand the mechanism of LoRa device communication. With the help of the official Arduino web page I found the ...
dimitar.d's user avatar
  • 103
1 vote
0 answers
111 views

Malformed Packet on Mosquitto

I am trying to connect to my mosquitto broker on esp32 with GSM using pubsubclient but sometimes it disconnects to broker with detail malformed packet. 2023-08-30T13:43:14: Client client_id ...
furqon2710's user avatar
1 vote
1 answer
65 views

Send Alexa a command from another device?

I'm in the process of creating a Raspberry Pi-powered home automation system. I have a complicated node.js script running on the Pi, and I want to be able to send commands from the Pi to my Alexa (e.g....
Blue Herring's user avatar
0 votes
0 answers
47 views

Serialization scheme to adopt for a system

I'm designing an IoT system, and seeking to adopt a serialization scheme for communications across the entities (Cloud to Device communication, Local Communication,...) taken into consideration some ...
Hamza Hajeir's user avatar
1 vote
1 answer
73 views

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
349 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
41 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

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