I'm running a series of 12 Geiger counter boards, and I'd like to be able to read from them all on the same board. Only thing is, I need to use their signal as interrupts, and there aren't many boards that can handle that many interrupt pins.
I was using the Feather M0, which has 12 or 13 interrupt pins, but you can't use them all at the same time :-/. You just have the option of using any one of those 12 or 13 pins.
Can anyone recommend a board that is capable of reading that amount of interrupts at once?