A few circuit boards to provide the tube with the high voltage it needs, a power source, and a 3D printed case make this Geiger counter look like it was ordered from a Fluke catalog. The project ...

There’s perhaps no sound more recognizable than the frantic clicking of a Geiger counter. Not because this ... digital pins on a NodeMCU development board. This project is more of a proof ...

I purchased two Geiger-counter kits, each costing only $23. Although it’s called a “kit,” this board in fact comes fully assembled minus the key component: a Geiger-Müller (or GM ...