Stories by iotdevicesdev

Dimensions of Geiger-Muller tube holder on GGreg20_V3 Geiger counter PCB (2025)

Cross-Controller External Component GGreg20_V3 Released for ESPHome

IoT-devices and IoT Case Lab team up to design and print cases for electronics

The Sound GGreg20_V3 App for Android on Google Play

The Sound GGreg20_V3 App for Android on Google Play

Building a BLE-Enabled GGreg20_V3 GeigerCounter – Part1:ESP32 ESPHome BLE Server

The most frequently ordered GGreg20_V3 options 2024

The new black GGreg20_V3:HV-setup upgrade, quality control, warranty stickers

Testing of energy consumption by Geiger counter GGreg20_V3

Application note on the high-voltage converter DCDC_3V3_400V_V1

ESPHome firmware ESP32 and GGreg20_V3 – issue solution with the pulse counter

Technical note on initial diagnostics of the GGreg20_V3 module with J305 tube

Differences between the coefficient for source radiation power and absorbed dose

How to calculate the conversion factor CPM to uSv/h for J305 tube Geiger counter

LM75 thermometer: connection to ESP12.OLED_V1 in ESPHome

Changes in ESPHome configuration validation – Pin Reuse validation

Geek Gift GGreg20_ES Epoxy Souvenir Price Reduced

SBM20 GM-tubes are still available on our Etsy

I2CUI4_V1 – I2C keypad is on website and Tindie

Epoxy Souvenir Geiger counter is already on Etsy

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