Geiger counter, it's a word that most people have heard about. I'm sure everyone has seen at least one piece of media featuring the clicking box with a little dial that only tells you when you're ...

We’re assuming [Toumal] was desperately bored one day, because in the depths of the Internet he found some really cool components to build a solid state Geiger counter. The Arduino and ...

Every mad scientist’s lair needs a Geiger counter. After all ... Or you could add an Arduino and some LEDs.