Hey folks! I nailed my problem pretty much down so I hope you guys can help me now because I think I've tried everything, you know how it is :slight_smile: Short Story attachInterrupt(2, foo, FALLING) doesn't work on D0 like it should on Fio v3 based on this http://arduino.cc/de/Reference/AttachI…

Fio v3 + attachInterrupt()

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