Arduino for beginners. Part 10: Timer Interrupts - YouTube
Arduino Timer and Interrupt Tutorial - Oscar Liang
GitHub - khoih-prog/TimerInterrupt: This library enables you to use Interrupt from Hardware Timers on an Arduino, such as Nano, UNO, Mega, etc. It now supports 16 ISR-based timers, while consuming only 1
Arduino Timer Tutorial - Using Arduino Timers with Examples
timer library on Arduino DUE - Arduino Stack Exchange