Introduction

Interrupts are a powerful technique to allow an important event to occur asynchronously to the

currently running code.

For very simple examples, such as what we have been using so far, interrupts are typically overkill.

However, when we progress to state machines, and then to complex state machines, interrupts

provide a valuable tool to simplify programming.

Every I$/$O pin on the ATmega$328$P can generate an iIntroduction

Interrupts are a powerful technique to allow an important event to occur asynchronously to the

currently running code.

For very simple examples, such as what we have been using so far, interrupts are typically overkill.

However, when we progress to state machines, and then to complex state machines, interrupts

provide a valuable tool to simplify programming.

Every I$/$O pin on the ATmega$328$P can generate an i