An assembly-only approach to a timer interrupt for an AVR-based Arduino. Situation: You want to include a timer interrupt service routine in an assembly language program for an AVR-based Arduino.

This library enables you to use Interrupt from Hardware Timers on an STM32H7-based Portenta_H7 board. As Hardware Timers are rare, and very precious assets of any board, this library now enables you ...

The STM32 CPU can easily interrupt with a pin changes, so that’s what I wanted. The Catch The problem is, of course, that mechanical switches bounce.