CptSpaceToaster/ds1307
Forked from Davide Gironi's code from: http://davidegironi.blogspot.com/2013/12/a-ds1307-library-for-avr-atmega.html
CGPL-3.0
Forked from Davide Gironi's code from: http://davidegironi.blogspot.com/2013/12/a-ds1307-library-for-avr-atmega.html
CGPL-3.0