I needed a 50uSec (microseconds) every 5mSec (milliseconds) Pulse Width Modulation signal to simulate what the controller for the Laser Module was generating. (Clock Source / Pre-Scaler) / Target ...

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.

OK, year-old pop culture references aside [Kyle] dropped us a line to show us his tutorial on using interrupts with your Arduino. Given the single core nature of your average Arduino’s AVR you pretty ...