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 HomeAssistant

Users use the GGreg20_V3 with the RPi Pico W controller.

mastodon.social/@sboger/109510482022928362

Now it is very convenient, thanks to the support of this line of controllers in ESPHome.

Here is a link to the documentation:

https://esphome.io/components/rp2040.html

And this is a link about the support news:

https://esphome.io/changelog/2022.11.0.html#raspberry-pi-pico-w

2.Geiger counter based on ESPHome: radiation measurement and data publication on safecast.org

The user made an interesting project with GGreg20_V3 and TTGO T-Display controller, ESPHome firmware and data transfer to the safecast.org server:

3D Model:

https://www.printables.com/model/330675-ggreg20_v3-ionizing-radiation-geiger-counter

Code for ESPHome:

https://www.homeassistant-cz.cz/viewtopic.php?t=569

Library for TTGO T-Display:

https://github.com/Xinyuan-LilyGO/TTGO-T-Display

Safecast API:

https://api.safecast.org/en-US

Detailed description of the GGReg20_V3 module and the possibility to order it:

https://www.tindie.com/products/iotdev/ggreg20_v3-ionizing-radiation-geiger-counter/

Or: