Tricks I learned about using a DS3231 Real Time Clock to interrupt an Arduino ... Such a function is called an Interrupt Service Routine, or ISR. The example sketch uses a descriptive name for an ISR ...

The Arduino Uno has two interrupt pins. Pin 2 assigned as Interrupt 0 and Pin 3 assigned as Interrupt 1. We make use of attachInterrupt() function to achieve interrupt handling. attachInterrupt takes ...

The projects aims to setup a hardware timer that will generate an interrupt as a background function to run at regular intervals when working on microcontroller projects. Interrupts are signal that ...