WatchDogAVR.h file

Contains the extendedWatchDogAVR class.

Code for this is taken from this forum post: https://forum.arduino.cc/index.php?topic=248263.0

Classes

class extendedWatchDogAVR
The extendedWatchDogAVR class uses the pre-reset interrupt to of the built in AVR watchdog to extend the allowable time between resets of the watchdog's clock up to multiple minute timescales.