There are 1 repository under ggreg20-v3 topic.
IoT-devices GGreg20_V3 Ionizing Radiation Detector module under Home Assistant server with ESPHome plugin setup example
IoT-devices GGreg20_V3 ionizing radiation detector module driver library for Arduino
IoT-devices GGreg20_V3 ionizing radiation Geiger counter module for generic ESP32 under Home Assistant with ESPHome setup example
DIY Geiger Counter Module with Pulsed Output GGreg20_V3
GGreg20_V3 with Raspberry Pi Pico W under Home Assistant with ESPHome config example
This is a simple Lua script example for GGreg20_V3 / GGreg20_V1 ionizing radiation detector module with SBM-20 GM tube working under NodeMCU firmware on ESP32 / ESP8266
GGreg20_V3 with Generic ESP32 with Tasmota Firmware and Berry script driver example
GGreg20_V3 Ionizing Radiation Detector for Arduino UNO WOKWI simulator
Connecting Kyiv-based GGreg20_V3 Geiger counter sensor node to the Home Assistant via HTTP GET ThingSpeak API
You are reading the description of an unusual art product: on the one hand, it is embedded DIY electronics, on the other hand, it is a product that is non-functional by design. If you decide to order such a souvenir, you will participate in two charitable initiatives with the IoT-devices team.