So it's introduced here, but the function and build details are posted on this website.
Listening to what people want in the way of radiation detection, it appeared that there are 3 types of needs:
[March 2017] Let's stop right here! Since this was written I have created severial new stationary monitoring kits based on the ESP8266. So they are WiFi rather than RF as described below. Radiation data can now be sent to severial IOT sites. One of the kits looks like this ...
There is more information on these new "RadMon" kits here.
Sorry to interrupt - to continue ...
the inside piece . . .
Again, you can find all the details on this website. However, I'd appreciate any comments you'd like to leave here.