digitalPinToInterrupt(pin): In Arduino Uno, NANO the pins used for interrupt are 2,3 & in mega 2,3,18,19,20,21. Specify the input pin that is used for external interrupt here. ISR: It is a function ...

Whatever the task is, the code should go into its own, special block to be run only when the DS3231 alarm interrupts the Arduino. I believe it is a good practice to break code into short functions, ...

Whatever the task is, the code should go into its own, special block to be run only when the DS3231 alarm interrupts the Arduino. I believe it is a good practice to break code into short functions, ...

The projects aims to setup a hardware timer that will generate an interrupt as a background function to run at regular intervals ... The device sets up the 8-bit Timer2 to generate interrupts on an ...