Situation: You want to include a timer interrupt service routine in an assembly language program for an AVR-based Arduino. The program will be written, assembled and uploaded using the Arduino IDE.

There was an error while loading. Please reload this page. Hardware and software to make a clasic GraLab darkroom timer run off of 8xAA batteries rather than AC mains ...

This project is also available at Max Imagination’s Workshop. Welcome, fellow makers! Today, we're diving into the world of productivity and time management with a hands-on project – the Arduino ...