This hack allows for people concerned about radiation to use a Geiger counter with their iPhones. It could come in handy, especially if there are more disasters like Fukushima.
The iPhone Geiger counter has a case that was designed by Rick Pannen. He created the design in FreeCAD and had it CNC milled out of a solid block of POM plastic. It’s loaded with a custom-milled PCB and a surplus SI-29BG Russian Geiger-Müller tube that was sourced through eBay. The circuit was designed by BroHogan of DIYGeigerCounter and it connects with the iPhone via the audio jack.
It runs ND Apps’ Geiger Bot, an iOS app that interfaces with geiger counter modules, and it’s the first prototype of a projected series. It will be interesting to see how much he can streamline this design in future.