just an info INT0 works on PIN 3, and INT1 works on PIN 2. https://blog.adafruit.com/2012/06/03/arduino-leonardo-pinout-reference/
just an info
INT0 works on PIN 3, and INT1 works on PIN 2.
https://blog.adafruit.com/2012/06/03/arduino-leonardo-pinout-reference/