IoT-devices, LLCOn this page you will find news and changelog of our projects. This data is also available on our website and on GitHub or Twitter or AllMyLinks, but for convenience, we decided to post it here as well, so that everyone can read our news posts without leaving Hackaday.
Best Regards,
IoT-devices Team
26.02.2025
EN: Testing of energy consumption by Geiger counter GGreg20_V3
UA: Тестування споживання енергії лічильником Гейгера GGreg20_V3
Our company has conducted a thorough testing of the power consumption of the Geiger counter module GGreg20_V3, intended for use in DIY projects. The purpose of the study was to…
04.01.2025
EN: ESPHome firmware for ESP32 with GGreg20_V3 – solution to the problem with the pulse counter
UA: Прошивка ESPHome для ESP32 з GGreg20_V3 – вирішення проблеми з лічильником імпульсів
Problem solution - in the example for ESPHome firmware with ESP32 controller, the pulse counter stopped working...
21.10.2024
Note on the use of the DCDC_3V3_400V_V1 high voltage converter by the user to power the Geiger-Muller tube or in other DIY / IoT projects
21.10.2024
EN: Technical note on initial diagnostics of the GGreg20_V3 module with J305 tube
UA: Технічна нотатка з початкової діагностики модуля GGreg20_V3
Technical note on manual initial diagnostics of the GGreg20_V3 module with J305 tube to check the main module voltages at the control points and determine the module's operability
12.05.2024
Our site and the GGreg20_V3 DIY Geiger counter product are referenced by the author of the book Francesco Riggi, published by Springer in April 2024 under the title...
02.05.2024
EN: Etsy Star Seller status for two months in a row
UA: Статус Etsy Star Seller два місяці поспіль
We have good news! We are an Etsy Star Seller again!
For the second month in a row, our Etsy shop has received a Star Seller badge.
24.03.2024
EN: Geiger tube J305 conversion factor: differences between the coefficient for source radiation power and absorbed dose. Technical note
We have previously written about how to calculate the coefficients for the SBM20 tube and the J305, tube that come with our Geiger counter module GGreg20_V3 for DIY / IoT…
8.01.2024
EN: Geiger tube J305: How to calculate the conversion factor of CPM to μSv/h. Technical note
UA: Трубка Гейгера J305: Як розрахувати коефіцієнт перетворення CPM у мкЗв/год. Технічна нотатка
We have already made a similar publication for the SBM20 Geiger tube. This time we bring to your attention an article dedicated to the equally popular J305 tube made in…
07.01.2024
EN: LM75 thermometer: connection to ESP12.OLED_V1 in ESPHome
UA: Термометр LM75: підключення до ESP12.OLED_V1 у ESPHome
Everyone who is involved in DIY IoT projects is familiar with the LM75 temperature sensor. Termometer LM75 – it is a cheap and convenient sensor that has sufficient accuracy and measurement range. But its main advantage is that...
05.01.2024
EN: About changes in ESPHome configuration validation – Pin Reuse validation
UA: Про зміни у валідації конфігу ESPHome – Pin Reuse validation
Recently, the ESPHome firmware has been changed to prevent the same controller I/O ports from being reused to create different entities...
21.12.2023
UA: Ціну на GGreg20_ES знижено
We have come to the conclusion that we can significantly reduce the price of this wonderful product. And that is what we have done today.
30.11.2023 Ukraine
Today we found out from Tindie Support that the platform has stopped supporting stores from Ukraine. We're looking into what we can do to get it back up and running, but in the meantime... We recommend and welcome you to order goods on our website https://go.iot-devices.com.ua/shop or on Etsy https://iotdevicesllc.etsy.com
IF BlackFriday() OR CyberMonday() THEN Sale(%);
We launch “Cyber Monday” campaign from 24.11 to 30.11 and set 10% discount when buying any of our modules on iot-devices.com.ua and Tindie and Etsy trading platforms.
Pay attention to our charity product GGreg20_ES
As well as our popular modules:
- GGreg20_V3 radioactive particle detector with J305 Geiger tube: ggreg20_v3
- DCDC_3V3_400V_V1 module is a high voltage 3.3V DC to 400V converter: dcdc_3v3_400v_v1.
- I2CUI4_V1 User Interface – I2C module with 5-button keypad: i2cui4_v1
See more at: https://iot-devices.com.ua/en/cyber-monday-promotion-till-30-11-en/
28.10.2023
EN: GGreg20_ES – souvenir Geiger counter
UA: GGreg20_ES – сувенірний лічильник Гейгера
As participants in the DIY IoT market, we see that the same faulty or exhausted SBM-20 Geiger tubes are resold from hand to hand several times, because no one wants to lose potential profits...
16.08.2023
EN: GGreg20_V3 and ESP12.OLED_V1 in the project of KPI specialists
UA: GGreg20_V3 та ESP12.OLED_V1 у проекті фахівців КПІ
An interesting work by experts from the Kyiv Polytechnic Institute describes software methods for analyzing streaming data, in particular, for analyzing radiation pollution...
18.07.2023
EN: Our modules Radioactive particle detector GGreg20 on the GMCmap service map
UA: Наші модулі Детектор радіоактивних частинок GGreg20 на карті сервісу GMCmap
Great news! Several more customers have connected to the gmcmap.com radiation detectors based on our GGreg20 radioactive particle detector module...
17.07.2023
EN: GGreg20_V3 with Raspberry Pi Pico W under Home Assistant with ESPHome firmware config example
UA: Приклад налаштування GGreg20_V3 на Raspberry Pi Pico W у Home Assistant з прошивкою ESPHome
We’ve been planning to post a GGreg20_V3 configuration example for the Raspberry Pi Pico W since ESPHome started supporting this wonderful controller with wireless support. But after users started making projects for RPi with GGreg20_V3, and after Tom’s Hardware wrote about a project using Pico W...
24.05.2023
EN: Product Repo - DIY Geiger Counter Module GGreg20_V3
We have created a "root" repository for the Geiger counter module GGreg20_V3. This is a special place where we will post and keep up-to-date all about this product....
5.05.2023
EN: Geiger-Muller tubes: Comparison of SBM20, J305 and LND712
UA: Трубки Гейгера-Мюллера: порівняння SBM20, J305 та LND712
We understand very well the difficulties of choosing for radio amateurs who have to choose between different options, including tubes, when ordering a product. When we developed GGreg20 in 2020, we did not know anything about these things at all. Now we can share our company’s experience with anyone who needs help or is just looking for more information...
12.04.2023
EN: Technical note: How to calculate the conversion factor for Geiger tube SBM20
UA: Технічна нотатка: Як розрахувати коефіцієнт перетворення для трубки Гейгера СБМ20
The main goal of this publication is to correctly calculate and, if possible, understand where the conversion factors such as 8.77 and 0.0057 for the SBM20 tube, which are all published on the Internet, come from...
11.04.2023
EN: UV test of Geiger tubes J305
UA: Технічна нотатка: Лічильник Гейгера при низьких температурах – робота DIY модуля
There are videos on the Internet showing that J305 tubes are very sensitive to UV rays. They literally go crazy under the influence of this type of radiation. We conducted our own quick UV test of Geiger tubes J305...
1.04.2023
EN: Technical note: Geiger counter at low temperatures – the work of a DIY module
UA: Технічна нотатка: Лічильник Гейгера при низьких температурах – робота DIY модуля
We wondered what would happen if we took our DIY Geiger counter module GGreg20_V3 and put it in a freezer with a target temperature of -23 Celsius together with the ESP32 controller. Will our sensor work at such a low temperature? Will we see any failures or deviations in the radiation sensor measurements?..
31.03.2023
EN: Geiger counter emulator of GGreg20_V3 module by means of ESP8266 Part 3: Testing and Conclusion
UA: Емулятор лічильника Гейгера GGreg20_V3 засобами ESP8266 Частина 3: Тестування та висновок After we’ve built the emulator and programmed the ESP8266, we can test it to make sure it’s working correctly...
29.03.2023
EN: Geiger counter emulator of GGreg20_V3 module by means of ESP8266 Part 2 Building the Emulator
UA: Емулятор лічильника Гейгера GGreg20_V3 засобами ESP8266: Частина 2 Створення емулятора
Welcome to the second part of our tutorial on building a hardware-software Geiger counter emulator module based on ESP8266. This emulator can be useful for testing and tuning Geiger counters or for educational purposes. Let’s get started!...
27.03.2023
EN: Geiger counter emulator of GGreg20_V3 module by means of ESP8266
UA: Емулятор лічильника Гейгера GGreg20_V3 засобами ESP8266
Welcome to our guide on building a hardware-software Geiger counter emulator of GGreg20_V3 module based on ESP8266 This emulator can be useful for testing and tuning Geiger counters or for educational purposes. Let’s get started!...
23.03.2023
EN: Geiger counter emulator with pulse output GCemu20_V1
UA: Емулятор лічильника Гейгера з імпульсним виходом GCemu20_V1
Kyiv, Ukraine – IoT-devices, LLC, a leading provider of innovative IoT solutions, is thrilled to announce the launch of its latest product, the GCemu20_V1 Geiger Counter Emulator with Pulse Output. This device’s key feature is its ability to simulate radiation levels using a built-in generator of true random numbers...
18.03.2023
EN: Radioactive particle detector GGreg20_V3: a new option for selecting the Geiger-Muller tube J305
UA: Детектор радіоактивних частинок GGreg20_V3: нова опція вибору трубки Гейгера-Мюллера J305
We are pleased to inform you about a new option that has been added to our module – the GGreg20_V3 radioactive particle detector. Now you can choose the J305 Geiger-Muller tube...
6.03.2023
EN: Technical note on bug fixes in ESPHome firmware for ESP32 regarding GPIO and interrupt handler settings modes
UA: Технічна нотатка щодо виправлень у прошивці ESPHome для ESP32 стосовно режимів налаштувань GPIO та обробника переривань
To the attention of those users of the Geiger counter module GGreg20_V3 connected to the ESP32 microcontroller with ESPHome firmware who created their firmware earlier and have not yet had time to update it to the current version...
6.03.2023
EN: New GitHub repository for connecting virtual GGreg20_V3 to Home Assistant server
UA: Новий репозиторій GitHub для підключення віртуального GGreg20_V3 у сервер Home Assistant
But this time, we have posted a repository on GitHub for those Home Assistant users who do not have their own GGreg20_V3 module or a spare controller such as ESP8266/ESP32/RPi with ESPHome firmware, but want to receive data from our radiation sensor near Kyiv...
26.02.2023
EN: Geiger counter GGreg20_V3: supply voltage range of the Geiger counter module (technical note)
UA: Лічильник Гейгера GGreg20_V3 : діапазон напруги живлення модуля (технічна нотатка)
This module can operate in two modes. The Geiger counter module GGreg20_V3 has built-in protection against reverse polarity. This function is realized by means of a Schottky diode...
26.02.2023
We have recently made a new GitHub repository dedicated for GGreg20_V3 + generic ESP32 with pulse counter GPIO debounce in microseconds up to SBM20 GM tube’s deadtime...
25.01.2023
EN: GGReg20_V3 module: examples of interesting projects
UA: Модуль GGReg20_V3 : приклади цікавих проектів
Examples of interesting projects in which our clients have used the GGReg20_V3 module...
21.12.2022
EN: A new end-user IoT product series are now developed in our Kyiv Lab
We are not revealing the new line of our devices yet, but we are already demonstrating how the firmware code is being developed....
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