You’ve doubtless seen those ubiquitous clock modules, especially when setting clocks for daylight savings time. You know the ones: a single AA battery, a wheel to set the time, and two or three hands ...

Developers, makers and hobbyists looking for a real time clock module complete with an Arduino library, may be interested in the Kraztech Real Time Clock Module created by developer Christopher ...

Occasionally you might need a simple clock module for various projects. A small CMOS clock module, such as the one presented here, is not capable of offering as much precision as a clock module built ...