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  • Home
  • Shop
  • Posts
  • Useful
    • GGreg20_V3 Ionizing Radiation Detector
    • Our modules: real demo
    • Easy Links
    • Return and Exchange Policy
    • Privacy Policy
    • Estimated delivery terms
    • Order Tracking
    • Geography of users
  • My Account
  • English
    • Ukrainian
  • 00грн.
  • Toggle website search
  • Contacts
  • Privacy Policy
  • Return and Exchange Policy
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  • Detector of radioactive particles GGreg20_V3 Geiger counterDetector of radioactive particles GGreg20_V3 Geiger counter Quick View
    • Detector of radioactive particles GGreg20_V3 Geiger counterDetector of radioactive particles GGreg20_V3 Geiger counter Quick View
    • Developed and manufactured in Ukraine, Do it yourself, Hardware modules, Sensors

    • Detector of radioactive particles GGreg20_V3 Geiger counter

    • 1423грн. – 3095грн.
    • The GGreg20_V3 radioactive particle detector is an electronic sensor module for building a personal Geiger counter and determining the level of ionizing radiation. For this purpose, the detector includes an impulse counting output to a host controller. Arduino, Raspberry Pi, ESP8266, ESP32 and others can be used as a host controller. The radiation level is indicated by light and sound…
    • Select options This product has multiple variants. The options may be chosen on the product page
  • GCemu20_V1 Geiger counter emulatorGCemu20_V1 Geiger counter emulator Quick View
    • GCemu20_V1 Geiger counter emulatorGCemu20_V1 Geiger counter emulator Quick View
    • Controllers, Developed and manufactured in Ukraine, Do it yourself, Hardware modules, Sensors

    • GCemu20_V1 Geiger counter emulator

    • 926грн.
    • Emulator of radioactive particle detector is a hardware-software electronic module designed to emulate the counter of ionizing radiation level. For this purpose the emulator includes a pulse counting output to the main controller. Arduino, ESP8266, ESP32, Raspberry Pi, STM32 and others can be used as host controllers. The simulated radiation level and operation mode of the emulator are indicated by…
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  • GGreg20_ES – souvenir Geiger counterGGreg20_ES – souvenir Geiger counter Quick View
    • GGreg20_ES – souvenir Geiger counterGGreg20_ES – souvenir Geiger counter Quick View
    • Developed and manufactured in Ukraine

    • GGreg20_ES – souvenir Geiger counter

    • 1540грн.
    • GGreg20_ES (souvenir Geiger counter) is an unusual artistic product: on the one hand, it is a built-in DIY electronics, on the other hand, it is a product that is not intended to work. If you decide to order such a souvenir, you will participate in two charitable initiatives with the IoT-devices team.
    • Add to cart
  • I2CUI4_V1 user interface – I2C module with 5-key keyboardI2CUI4_V1 user interface – I2C module with 5-key keyboard Quick View
    • I2CUI4_V1 user interface – I2C module with 5-key keyboardI2CUI4_V1 user interface – I2C module with 5-key keyboard Quick View
    • Accessories, Control, Developed and manufactured in Ukraine, Do it yourself, Hardware modules

    • I2CUI4_V1 user interface – I2C module with 5-key keyboard

    • 889грн. – 1381грн.
    • I2CUI4_V1 module - user Interface I2C keypad with 5-keys, RGB-LED and buzzer for on premise IoT device management. Compatible with ARDUINO, ESP12.OLED_V1 controllers, NodeMCU board (based on ESP8266-12), modules on the ESP8266EX, ESP32 or other chip, which are powered by a voltage in the range from 1.8 to 5.5 V. Functionality The module connects to the main controller via a…
    • Select options This product has multiple variants. The options may be chosen on the product page
  • Repair and service of modules on request Quick View
    • Repair and service of modules on request Quick View
    • Developed and manufactured in Ukraine, Hardware modules

    • Repair and service of modules on request

    • 808грн.
    • Repair and Service: To repair and service the module, the product must be returned to the manufacturer. The time and cost of the repair is communicated to the client by e-mail after the diagnosis. When paying for the repair, you must specify the return address of the repaired module. The cost of shipping is included in the total repair and…
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  • The DCDC_3V3_400V_V1 – High Voltage Module for Geiger Tube Quick View
    • The DCDC_3V3_400V_V1 – High Voltage Module for Geiger Tube Quick View
    • Developed and manufactured in Ukraine, Do it yourself, Hardware modules, Power supply

    • The DCDC_3V3_400V_V1 – High Voltage Module for Geiger Tube

    • 1037грн.
    • Description DCDC_3V3_400V_V1 High Voltage DC Converter - New Release of the high voltage module as well as the previous version is a miniature ultra-thin (5 mm) and low-power DCDC_3V3_400V_V1 module with the ability to generate high voltage at low input voltage and consumption. This product is made by IoT-devices with freedom & wisdom in Ukraine. Application The module was designed…
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  • The I2CHUB_V1 module – an I2C bus interfaces splitterThe I2CHUB_V1 module – an I2C bus interfaces splitter Quick View
    • The I2CHUB_V1 module – an I2C bus interfaces splitterThe I2CHUB_V1 module – an I2C bus interfaces splitter Quick View
    • Accessories, Developed and manufactured in Ukraine, Do it yourself, Hardware modules

    • The I2CHUB_V1 module – an I2C bus interfaces splitter

    • 259грн.
    • The offered device I2CHUB_V1 - splitter and converter of interface connector types in one module. The I2CHUB module will be useful for: Creating prototypes of electronic devices with a large number of connected modules via the I2C bus, which, traditionally for Arduino, are connected to the system by cables with pin connectors from Dupont, JST, or others with a pin-to-pin…
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  • The PS4IoT Smart Power ModuleThe PS4IoT Smart Power Module Quick View
    • Out of Stock
      The PS4IoT Smart Power ModuleThe PS4IoT Smart Power Module Quick View
    • Accessories, Developed and manufactured in Ukraine, Do it yourself, Hardware modules, Power supply

    • The PS4IoT Smart Power Module

    • 1120грн. – 1845грн.
    • PS4IoT is an uninterruptible power supply module with battery charging and protection, for building smart devices with power paths' redundancy, with 3.0 to 6 volts and 3V3, 5V or 12V output voltages, with total power up to 5 watts. The module is designed for use in electronic devices based on any microcontroller platform, such as ESP8266, ESP32, Arduino, STM32, and…
    • Select options This product has multiple variants. The options may be chosen on the product page

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New publications

  • LLC “IOT-DEVICES” was listed in the ‘Register of the Best Suppliers of Goods and Services 2024’
    LLC “IOT-DEVICES” was listed in the ‘Register of the Best Suppliers of Goods and Services 2024’
    20.06.2025/
    0 Comments
  • Building a BLE-Enabled GGreg20_V3 Geiger Counter – Part 1: ESP32 BLE Server with ESPHome Firmware
    Building a BLE-Enabled GGreg20_V3 Geiger Counter – Part 1: ESP32 BLE Server with ESPHome Firmware
    18.06.2025/
    0 Comments
  • Introducing the New Black GGreg20_V3 Board: High-Voltage Adjustment Upgrade, Quality Control, and Warranty Stickers
    Introducing the New Black GGreg20_V3 Board: High-Voltage Adjustment Upgrade, Quality Control, and Warranty Stickers
    15.06.2025/
    0 Comments

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Yaml

може сховати лістинг у акордеон?
####### ggreg20_esp8266_esphome.yaml #####
esphome:
  name: esphome_node1 # Controller Unique Name
  platform: ESP8266 # Platform type you have to select when creating new yaml-config in ESP Home
  board: nodemcuv2 # Controller type you have to select when creating new yaml-config in ESP Home

wifi:
  ssid: "YourWiFiSSID"
  password: "SSIDPassword"

  # Enable fallback hotspot (captive portal) in case wifi connection fails
  ap:
    ssid: "Esphome Node1 Fallback Hotspot"
    password: "Cpxg9hRIBU7M"

captive_portal:

# Enable logging
logger:

# Enable Home Assistant API
api:
  password: "APIpassword"

ota:
  password: "OTApassword"

# Just embedded test D3 (GPIO0) button on every ESP8266 Devboard
# You can press D3 button several times to simulate incoming GGreg pulses
binary_sensor:
  - platform: gpio
    name: "D3 Input Button"
    pin:
      number: 0
      inverted: True
      mode: INPUT_PULLUP

# Here we calc and include to the firmware a power and doze values of ionizing radiation as sensor outputs
sensor:
- platform: pulse_counter
  pin: D3
  unit_of_measurement: 'mkSv/Hour'
  name: 'Ionizing Radiation Power'
  count_mode: 
    rising_edge: DISABLE
    falling_edge: INCREMENT
  update_interval: 60s
  accuracy_decimals: 3
  id: my_doze_meter
  filters:
    - sliding_window_moving_average: # 5-minutes moving average (MA5) here
        window_size: 5
        send_every: 5      
    - multiply: 0.0054 # SBM20 tube conversion factor of pulses into mkSv/Hour 
- platform: integration
  name: "Total Ionizing Radiation Doze"
  unit_of_measurement: "mkSv"
  sensor: my_doze_meter # link entity id to the pulse_counter values above
  icon: "mdi:radioactive"
  accuracy_decimals: 5
  time_unit: min # integrate values every next minute
  filters:
    - multiply: 0.00009 # obtained doze (from mkSv/hour into mkSv/minute) conversion factor: 0.0054 / 60 minutes = 0.00009; so pulses * 0.00009 = doze every next minute, mkSv.
####### END of ggreg20_esp8266_esphome.yaml #####

 

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