Thank you in advance for taking the time to let us know about your Ideas. We truly value your input and discuss each Suggestion as a team. It would be most helpful if you could include a use case for your Idea (how it will solve a problem, or add to the usefulness of Cayenne as a proto-typing solution). Thanks!
I’d love a Geiger counter.
Where do I get the hardware?
Geiger Counter - Radiation Sensor Board for Arduino and Raspberry Pi
https://www.cooking-hacks.com/documentation/tutorials/geiger-counter-radiation-sensor-board-arduino-raspberry-pi-tutorial/