Internet of Things Stack Exchange
Internet of Things Stack Exchange

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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 assistant I get a certificate error due to my…
Dániel Kis
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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 minimum 6 months It should be able to send/receive…
Joseph Grasso
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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 (say a lamp just as an example) with a module to expand…
Mark
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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 data pledged to the network. The validity of the…
Samuel stankiewicz
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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 "google.com" on their smartphone, I aim to have the…
hirdesh mewada
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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 me. I don't see anything in the Alexa app…
TimR
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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
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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 software to run on a PC in years. Where should I start?…
PhysicsGuy
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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 Modbus RTU. It is not working, and the devices does…
user20592
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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 Location Engine service (for a fee)? The devices…
MJV
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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 few seconds, although I would rather that it not be…
Mawg says reinstate Monica
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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 file: ???-private.pem.key Amazon trust services endpoint, RSA 2048 bit…
tipo1000
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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 problem, and how the Arduino would communicate with a…
pop
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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 interoperability with other systems, as Google…
Hamza Hajeir
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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 getting images) except getting plate numbers. I…
LeifSec
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