All Questions
2,166
questions
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answer
13
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 ...
- 3
1
vote
0
answers
8
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 ...
- 11
-4
votes
0
answers
19
views
How to overclock Odroid N2+
How would I overclock this SBC past the supported clock limit without it reverting back to stock speeds? I would also like to know if I could overclock the GPU too.
- 93
0
votes
1
answer
33
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 ...
- 103
-4
votes
0
answers
34
views
Why are cellular modems so rare / expensive now? [closed]
I'm having very hard time sourcing cellular modem for IoT application. When I search every article on the subject "Cellular is finally good option for IoT" is dated ~2016 with solutions ...
- 93
0
votes
0
answers
26
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 ...
1
vote
0
answers
13
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 ...
- 111
1
vote
1
answer
48
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
...
- 111
0
votes
1
answer
57
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 ...
- 201
1
vote
1
answer
44
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 ...
- 131
2
votes
1
answer
33
views
LoRaWAN Mesh Protocol
I'm interested in building a network that is based on the LoRaWAN networking protocols. I've seen multiple references to LoRaWAN supporting a mesh configuration (instead of the standard star network ...
- 121
0
votes
1
answer
150
views
Hacking wifi control of pet door
I'm considering buying the Sure Petcare Microchip Cat Flap Connect.
I like the idea of being able to set a schedule for when my cat is allowed to exit the house and also to control it via the ...
- 129
0
votes
0
answers
24
views
Is it possible to install AWS FreeRTOS into a PLC P1AM-100 Arduino Compatible CPU?
I am about to buy a PLC - P1AM-100 ProductivityOpen controller and I was wondering if it is possible to install AWS FreeRTOS on it. SPECS
How to achieve the install?
- 121
1
vote
0
answers
48
views
How can I make my dumb TV bed lift smart?
I'm an experienced developer who is looking to make the foray into IoT hardware. I have written applications in C and C++ in the past and I'm currently interested in Rust. I have little to no ...
- 111
0
votes
1
answer
45
views
Generic Mobile Applications for Smart Home devices
This question is a bit generic, but what mobile applications exist to control Smart Home devices? I'm interested in generic applications, not in Alexa/Google/Apple/Samsung provided for their eco-...
- 101
2
votes
1
answer
41
views
What IoT software/web-services can be used to implement the basic "IoT device->Database ->Frontend" architecture?
I'm looking for the simplest (i.e least components) way to create the data logging/visualization system with the following architecture:
IoT Data (Plaintext HTTP POST) -> Database+data processing ...
- 21
0
votes
1
answer
20
views
Does 4G based OBD-ii device have mac or physical address? And alternative solution for restricting and whitelisting
I know that almost all devices need a mac or a physical address to work with the Internet. I want to know that GSM-based devices like OBD-II have such addresses. We asked the manufacturer and they ...
- 336
0
votes
1
answer
31
views
How can this PV-monitoring system communicate bidirectional
I've got a solar panel system with a Growatt inverter.
The system has a monitoring platform. To connect the inverter to the internet to let it communicate with the monitoring portal, you need a "...
- 131
0
votes
1
answer
15
views
Can a 4th Gen Chromecast ("Chromecast with Google TV") work in a group with Chromecast Audio?
I have five Chromecast Audio devices which produce 3.5mm/optical audio output from one source. I also have a 1st gen Chrome TV with HDMI audio [the "keyhole" shape] which cannot play audio ...
- 103
2
votes
2
answers
108
views
compute power for MQTT vs HTTP POST in cloud
Trying to get an understanding of the cloud side compute power comparison (and cost) for say 10,000 devices sending data to the cloud using HTTPS Vs MQTT.
My co-worker says keeping 10k MQTT ...
- 23
3
votes
0
answers
34
views
Smart bulbs do not turn on when mounted in a spot bar
I have bought 4 Philips Hue smart bulbs with an E14 socket.
I have tested each of the 4 Philips bulbs separately in a single socket fixture, and each bulb individually is working, detected by/...
- 131
1
vote
1
answer
47
views
Failed to connect to TCP server on ESP32 board
I wrote a TCP client in C and a TCP server in Python. The client runs on a ESP32S2 board while the server runs on my PC (virtual Linux OS) and both the board and PC are connected to the same Wi-Fi. ...
- 31
2
votes
1
answer
22
views
Circuit python express loads boot mode but doesn't flash .uf2
I'm having some trouble flashing CircuitPython to my Circuit Python Express. I successfully enter boot mode (LEDs are all green and red D13 light slowly blinking) but I can't flash anything. When I ...
- 21
2
votes
0
answers
30
views
Matter recommended SoCs
I'm working on climate control smart home thingy. The setup includes ~100 sensors and ~20 relays, currently operated by a python program on a Raspberry Pi, communicating over BLE with ESP32 boards ...
- 21
0
votes
1
answer
20
views
Adding RTC Library for Arduino Project in Visual Studio
I am working in an Arduino project in visual studio. I need to get and set time to a RTC clock. That's why I am adding a ds3231 header file in my project from GitHub. When I want to build "it's ...
0
votes
0
answers
47
views
LILYGO T-Display-S3 doesn't allow to upload Arduino's sketch
I was developing my code at the LILYGO T-Display-S3 on my MacBook Air, when suddenly after I pressed the 'Upload' button, the console showed an error as below:
A fatal error occurred: Failed to ...
0
votes
0
answers
21
views
Sniffing a LIN Network in LAB
I am posed with a situation where I have a LIN sensor but without any documentation or literature on the same. I am new to LIN protocol and understand that it is a request and response protocol. Now I ...
- 431
1
vote
0
answers
16
views
OpenMote B wireless communication
Is it possible to make two "OpenMote B" devices communicate with each other (through WiFi or on other frequencies), transmit and receive data?'
If yes, is there an example of such code to ...
- 11
1
vote
0
answers
23
views
Tuya pairing protocol
Are there any vendor public or reverse engineered data about the protocol used to pair new device to the Tyua app (using the "easy" mode)?
As I understand the process, it is needed to:
...
- 111
1
vote
0
answers
20
views
Apple TV - route specific app(s) through VPN
Apple TV does not have support for VPN apps like SurfShark or ExpressVPN like Android.
The problem
There is one specific app I would need to go through a specific country. All other apps should not ...
- 111
0
votes
0
answers
19
views
Smart ceiling fan + smart switch + no neutral
My current setup in my bedroom is a smart ceiling fan that I can control with wifi. I have an older house; I don't have any neutral wiring in the bedroom. Everything is fine...
...except for two ...
- 101
0
votes
0
answers
41
views
Any way to format/reset/wipe a Fitbit Versa 3 via USB?
Is there any way to reset or format or wipe the fitbit versa 3 via USB or using a computer?
I have a Versa 3 that's stuck in a boot loop, all attempts to factory reset or connect the device to the app ...
- 101
0
votes
1
answer
21
views
Aeotec Trisensor undefined behavior
I've been using a few of the device of the same model for several months. While they've been working great, one of them recently started showing strange behavior that I cannot find defined in the user ...
- 121
0
votes
0
answers
8
views
Strange behavior of Philips Hue tap dial
I have a number of Philips Hue elements in my house (bridge, bulbs and dials). It runs fine, but I'd like to iron out the last wrinkles. Most of those wrinkles are switch-related, so here's my first ...
- 101
0
votes
0
answers
8
views
When I set the alarm on my Amazon Echo, it's also setting the alarm on the one in my son's room! How can i stop that please?
I'm not talking loudly when i set it or anything. It didn't use to happen - it's started in last few weeks yet we've had the echos for about 4 years.
0
votes
0
answers
8
views
Alexa drops lamps and switches regularly
I have used fauxmoESP, Espalexa and Tasmota for a couple of switches and lamps. What I see is that Alexa drops those units after some time. Starting discovery then again finds the units and the cycle ...
0
votes
0
answers
13
views
Shelly i4 inline with lightbulb
What I want to do is somehow have the shelly sitting where the light switch would normally go sipping some power to keep itself going but also keep the smart bulb going or would I need to look at a ...
- 1
6
votes
1
answer
38
views
HomeKit 16.2 architecture update killed MyQ home bridge
I have a Chamberlain MyQ home bridge that was successfully controlling our garage door opener (equipped with an 888LM MyQ control pad) for years, until last Tuesday when we performed the HomeKit "...
- 191
1
vote
0
answers
24
views
UDP communication with XBee Wi-Fi S6B
I am an absolute newbie when coming to using these modules. I am trying to setup a basic UDP connection between my XBee S6B (UDP Client) to my computer (UDP Server). I have added my codes below. The ...
- 11
0
votes
0
answers
16
views
Connect WLED to Cloud
currently we are using WLED to control permanent lights. The WLED has an api we can connect to, and also has the ability to connect to an MQTT broker. The issue we have is the MQTT broker does not ...
- 101
0
votes
0
answers
14
views
Smart plug with "Save State" after Power loss
I am looking for a Wifi/Bluetooth/433Mhz Smart Plug that I can turn on and off with either Raspberry Pi 433Mhz (rpi-rf python package) or any protocol that is compatible with homeassistant.io via WiFi ...
- 101
0
votes
0
answers
45
views
Dim bulb on timer, even after physically switching off and on
I have a pretty simple use case - at least so I thought.
I want a bright light outside my kids' room, that dims on a timer after they've gone to bed, say 11pm. I bought a Philips Hue bulb that's ...
- 101
1
vote
2
answers
32
views
Time Out for Raspberry Pi running Node-RED, Mosquitto, Wireless Xiao ESP32C3
I have a Raspberry Pi Zero 2W on 32bit PiOS running the following Docker containers: Node-RED, Mosquitto, and Influxdb. I have a Seeed Studios Xiao ESP32C3 running a C program compiled by the Arduino ...
0
votes
0
answers
17
views
Philips Hue White Ambiance lamp: not possible to change color via Google Home routines
Recently I bought a set of Philips Hue (White Ambiance) lamps, including a bridge. I'm also using a Google Home.
Everything works perfectly, except the following.
When I create a routine in Google ...
0
votes
2
answers
59
views
Sending sensor's binary signal to the cloud through a wireless settings
I’m relatively new to iot and I'm looking for ways to send a binary signal from a tiny sensor (size of a coin) to the cloud through a wireless setting.
Basically, sensors would emit a simple binary ...
- 101
0
votes
0
answers
51
views
Airplane environmental sensors for sensing Birds at a distance
Ultrasonic sensors for detecting air objects
Environmental sensors for sensing air objects
We often see Birds hitting the airplanes causing major/minor accidents.
Is it possible to built environmental ...
- 101
1
vote
2
answers
44
views
Lora Setup For Remote Projects in Sub-saharan locations
I am looking for some advice for setting up an IoT sensor network in remote areas. It needs to be as plug-and-play as possible as it will not be done by technicians...
I work for an international NGO ...
- 11
0
votes
1
answer
31
views
How to count people in a given area without using phone traffic data?
DESCRIPTION: I am working on a project to find out how many people are in a given region. Basically I want to make a heatmap showing how people move in a specific day throughout 24h. In order to do so,...
- 185
0
votes
0
answers
43
views
Where should I start on IoT architecture design?
I've built Arduino based sensors/modules that send readings to an RF Receiver on RaspPi, but I ultimately want to POST this to a REST api service, and possibly preprocess or cache the data on a local ...
0
votes
1
answer
66
views
Confused: What is this weird IP address?
So I've been looking into NAT traversing for my IoT project, and I'm a little confused. Here's how it goes:
When I go out to ask google "what is my public ip address?", I get an address like ...
