Fun DIY Geiger counter project, inspired by living just 20 miles from Mar-a-Lago. Uses a Russian surplus SBM-20 tube — more sensitive than typical kit versions. Wired to an ESP32 and integrated with Home Assistant for live radiation tracking.
#Geiger Counter Project
steep warren
rugged tree
Absolutely fantastic. I can't see myself repeating the build, but I absolutely respect the result.
rotund grail
Nice! Too bad Amazon is such a bad place to show when you are not living in the US. Most products aren't shipping outside of the US.
native fox
Nice! Too bad Amazon is such a bad place to show when you are not living in the ...
I've just ordered one from AliExpress. I've got a GM tube in a broken counter (hopefully the tube is okay)
elfin fiber
May I ask why the VP and VN pins are soldered together?
steep warren
May I ask why the VP and VN pins are soldered together?
The intentions was to make the LED on the ESP32 flash with each detection, but on mine it did not flash. It may work on your build. I believe the YAML supports it.
elfin fiber
The intentions was to make the LED on the ESP32 flash with each detection, but o...
ah, makes sense now. thank you