Timing
Non-blocking replacements for delay().
Every will tell you _at_ every n millis(). Timer will tell you (once) when n millis() has gone by. Several convenient ways to use them. Several other variants for sequences, etc.
Maintainer: Alan Grover
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.