Since this is about using interrupts specifically, a single pin on the Arduino is dedicated to triggering an interrupt on these edges.

Arduino simplifies things by only using just one coding language. Here's what you need to get started with developing software for the tiny device.

This watch is so smart it's a fully-functioning Enigma machine! You've seen everything now. And not only that, it's a DIY project. Thanks to the Atmel blog for highlighting this one. Designed by Maker ...

If you’d like to skip needing to use a second Arduino, we’ve seen some other tools available for debugging Arduino code that can run straight from a connected PC instead.