לא בריא בתפזורת הורנט external interrupt vs pin change מוסך התפרצות מבחן Derbeville
External interrupts on the ATmega168/328 – ouilogique.com
ATtiny85 external and pin change interrupt tutorial - Gadgetronicx
ATtiny85: Introduction to Pin Change and Timer Interrupts – Embedded Thoughts
Interrupt On a very basic level, an interrupt is a signal that interrupts the current processor activity. It may be triggered by an external event ( change. - ppt video online download