Our GGreg20_V3 Geiger counter modules live on gmcmap.com
Great news! Several more customers have connected to the gmcmap.com service radiation detectors based on our GGreg20_V3 radioactive particle detector module.Read the full story...
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UV test of Geiger tubes J305
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...
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Technical note: Geiger counter GGreg20_V3 power supply voltage range
The Geiger counter module GGreg20_V3 has built-in protection against reverse polarity. This function is realized by means of a Schottky diode.The module can operate in two modes: (1) with protection...
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They write about our GGreg20_v3 module on Twitter
Our clients spoke about the features of using the GGreg20_v3 module. We are grateful for the high rating!Source TweetThank You!@IoT-devices, LLC TeamKyiv, Ukraine, Europe
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Radioactive particle detector GGreg20_V3: a new option for selecting the...
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.The J305 tube is one of...
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Minor hardware changes in the Geiger counter GGreg20_V3 module
Thanks to our customers, we collected some statistics and received feedback on the different modes of use of our GGreg20_V3 Geiger counter product by users and came to the conclusion that it would be...
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GGReg20_V3 module: examples of interesting projects
Examples of interesting projects in which our clients have used the GGReg20_V3 module:1. GGReg20_V3 Geiger counter connected to RPi Pico W controller running ESPHome on Home Assistant;2.Geiger counter...
View ArticleTechnical note. DIY Geiger counter: GGreg20_V3 and ESP12.OLED connection diagram
This document is for the attention of those users who are going to connect two GGreg20_V3 and ESP12.OLED modules together.Read Full Text...
View ArticleGGreg20_V3 lab tests
The next batch of #GGreg20_V3 Ionizing Radiation Detector Geiger counters are being tested at the @IoT-devices, LLC laboratory in Kyiv Site: GGreg20_V3 Product PageAlso is available on...
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GGreg20_V3 – in the Popular Products section of Tindie Marketplace!
The product of the Ukrainian technology company IoT-devices LLC – the ionizing radiation detector module GGreg20_V3 – was placed in the Popular Products section of the Tindie Marketplace website!What a...
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The GGreg20_V3 ionizing radiation detector is again available for order on...
The GGreg20_V3 ionizing radiation detector is again available for order on Tindie Maker Marketplace!Worldwide delivery from Kyiv, Ukarine is available.Only 4 left in stock, order now!Source:...
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#StandWithUkraine
Dear Friends,We are doing our best to resume production and supply of our electronic modules in the normal mode.As of now, we have an ongoing plan to fill the US warehouse with GGreg20_V3 radiation...
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Meet the GGreg20_V3 Radiation Sensor Node on Twitter
Hello World!We have a new employee of IoT-devices LLC. This is the GGreg20_V3 module and its job is to measure and inform Twitter users about the level of radiation in Kyiv.Follow @GGreg20_V3 account...
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The GGreg20_V3 detector is installed in Dornstadt, Baden-Württemberg, Germany...
Accidentally found a product manufactured by our company at work in Germany. The GGreg20_V3 radioactive particle detector with the SBM-20 is installed in Dornstadt, Baden-Württemberg, Germany and...
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Hackaday Trending Projects
#GGreg20_V3 ionizing radiation detector from the Ukrainian technology company IoT-devices LLC was presented in the Trending Projects category on the front page of the @hackaday website.@DYI #IOTdevices...
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Technical note on voltage level matching for GGreg20_V3 and 5V MCUs
We have made a technical note on GGreg20_V3 3v3 pulse output logic level voltage mantching with 5v MCU input. For Arduino as well.Read...
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GGreg20_V3 and ESP32 Tasmota Firmware driver
We just developed, tested and added Tasmota32 Berry script GGreg20_V3 driver for ESP32. You may find this example code at GitHub following the link:...
View ArticleSome module GGreg20_V3 photos were added
Photos of GGreg20_V3 were added: Module onlyhttps://hackaday.io/project/183103/gallery#5ae5f69da345d7728f862b6e6464af19 Module with...
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The GGreg20_V3 driver library has been added to the Arduino IDE Library Manager
Source:https://iot-devices.com.ua/en/ggreg20_v3-driver-library-added-to-library-manager-arduino-ide/Kyiv. Ukraine. The driver library for the GGreg20_V3 ionizing radiation detector manufactured by...
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Geiger counter GGreg20_V3 module is already on Etsy store
November 06, 2023, Kyiv, Ukraine. Dear users, customers and partners! We are pleased to announce that with the launch of Etsy Payments service in Ukraine, we immediately opened our own official store...
View ArticleNew demo video: GGreg20_V3 + ESP32 + Tasmota + Counter Driver
A video demo of GGreg20_V3 for Tasmota firmware on ESP32 has been added.For more details on the driver, please see:https://github.com/iotdevicesdev/ggreg20-v3-tasmota-esp32-driver
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Geiger-Muller tubes: Comparison of SBM20, J305 and 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...
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IoT-devices LLC announces the development of a new driver library for the...
Kyiv. Ukraine. IoT-devices LLC announces the development of a new driver library for the GGreg20_V3 module for the popular Arduino...
View ArticleGGreg20_V3 Github Example Repo for ESPHome
Example YAML-config repository for Home Assistant with ESPHome under ESP8266- Ionizing radiation power sensor (Moving Average 5 min)- Ionizing radiation dose...
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The GGreg20_V3 radioactive particle detector is installed in Hungary and...
Great news! Another of our clients connected the purchased GGreg20_V3 module to the radmon.org serviceThe GGreg20_V3 radioactive particle detector is installed in Budapest, Pest, Hungary and connected...
View ArticleThe GGreg20_v3 dosimeter can now be ordered in 4 different configurations
The GGreg20_v3 ionizing radiation sensor module can now be ordered in 4 different configurations. When ordering, the customer may choose one of the following options:GGreg20_v3 moduleSBM20 tubeSet of...
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GGreg20_V3 is in the list of top 100 Awesome Open Source Projects
The example repository for the GGreg20_V3 ionizing radiation detector module has been included in the list of the top-100 open source projects ESPHome / Home Assistant, curated by Awesome Open...
View ArticleGGreg20_V3 sensor is added on ESPHome-Devices
ESPHome-Devices website is a repository of device configuration templates and setup guides for devices running ESPHome firmware.The sole idea of ESPHome-Devices is to document all devices capable of...
View ArticleThe case 3d-model for the GGreg20_V3 module for personal use
IoT-devices, LLC has shared the case a 3D model for the GGreg20_V3 module for personal use by anyone.You can order such a case as an option together with the GGreg20_V3 module, or you can download and...
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The GGreg20_V3 module supply is resumed on Tindie
We resumed the supply of the module #GGreg20_V3 on @tindie from Kyiv warehouse.Sources:https://twitter.com/iotdevicescomua/status/1518257843467694081https://twitter.com/tindie/status/1518248668003897344
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GGreg20_V3 radiation meter module simulator for Arduino UNO based on WOKWI
We decided to contribute to the development of open source software for the Arduino platform and developed a training example in the WOKWI simulator for our popular GGreg20_V3 ionizing radiation...
View ArticleGGreg20_V3 Datasheet on Slideshare
For the convenience of users of the Slideshare platform, we have laid out datasheets for the GGreg20_V3 radiation detector module in English and Ukrainian in PDF format at the following links:- English...
View ArticleConnecting the GGreg20_V3 Geiger counter to the Home Assistant Server via...
We offer you the procedure of connecting the #GGreg20_V3 Ionizing Radiation Detector Geiger counter (sensor) in combination with the main controller ESP8266 or ESP32 to the Home Assistant server via...
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The GGreg20_V3 back in Stock on Tindie!
Order your #GGreg20_V3 Ionizing Radiation Detector by @IoT-devices, LLC module on Tindie today!News Source:https://twitter.com/tindie/status/1588988656710451200
View ArticleNow you can read "IoT-devices" publications on the Medium platform
The first one story is: https://medium.com/@iotdevices/why-we-didnt-add-the-i2c-interface-to-the-ggreg20-v3-module-d3e7342b1b0f Now you can read "IoT-devices" publications on the Medium...
View ArticleHow to add the GGreg20_V3 ThingSpeak channel sensor to the Home Assistant server
If you have a controller with a GGreg20_V3 radiation detector module that periodically sends data to the ThingSpeak server, you can also easily connect it to your Home Assistant server as well. In this...
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GGreg20_V3 with Raspberry Pi Pico W under Home Assistant with 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...
View ArticleThe GGreg20_V3 is mentioned in our Hacker Noon publication
The GGreg20_V3 radiation detector module is mentioned in our Hacker Noon publication:Choosing the Best I2C chips: The Hidden Software Problem of Choosing Hardware ModulesYou may read or listen this...
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New GGreg20_V3 with generic ESP32 for Home Assistant and ESPHome YAML-config...
We have recently made a new GitHub repo didicated for GGreg20_V3 + generic ESP32 with pulse counter GPIO debounce in microseconds up to SBM20 GM tube's deadtime (190us). And tested this yaml-config on...
View ArticleGeiger counter GGreg20_V3: maximum radiation that can be measured
Sometimes readers and users ask questions about the ability of the GGreg20_V3 – Geiger counter module to measure the maximum power of ionizing radiation.Read full article...
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Technical note. How to calculate the conversion factor for Geiger tube SBM20
There are a lot of publications on the Internet on how to convert CPM (Counts per Minute) obtained from a Geiger tube to radiation levels. However, despite the wide coverage of this topic on various...
View ArticleGGreg20_V3 and ESP12.OLED_V1 in the project of KPI specialists
An interesting work by experts from the Kyiv Polytechnic Institute describes software methods for analyzing streaming data, in particular, for analyzing radiation pollution.The article analyzes open...
View ArticleTechnical note on bug fixes in ESPHome fw for ESP32 GPIO & interrupt handler...
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...
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Technical note. Geiger counter at low temperatures – the work of a DIY module
We wondered at @IoT-devices, LLC what would happen if we took our DIY Geiger counter module - #GGreg20_V3 Ionizing Radiation Detector and put it in a freezer with a target temperature of -23 Celsius...
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SBM20 GM-tubes are still available on Etsy to order with GGreg20_V3
Hurry up if you want to order GGreg20_V3 with SBM20 tube. Because our Tindie and website are out of these tubes (as of 11/19/2023), but they are still available on Etsy. At the same time, we also...
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IF BlackFriday() OR CyberMonday() THEN Sale(%);
Cyber Monday until 30.11! 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...
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Changes in ESPHome configuration validation – 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.These updates in ESPHome version 2023.12.0 also affected the...
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Technical note: How to calculate the conversion factor of CPM to μSv/h for...
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 GM-tube made in China. Read the full article:...
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Geiger tube J305 conversion factor: differences between the coefficient for...
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 projects.However, in those...
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