Timing
TimerEvent is a non-blocking alternative to the delay() function.
It provides an easy way to trigger a callback function every set period of time and using multiple instances of this library enables your Arduino to multitask via time slicing.
Maintainer: cygig
This library is compatible with all architectures so you should be able to use it on all the Arduino boards.
To use this library, open the Library Manager in the Arduino IDE and install it from there.