Arduino-based master clock for schools using ATmega128

If your school, or kids school, or other location relies on a central master clock that is broken, you may have a use for this device. New master clocks are available of course, but school budgets are under extreme pressures, and it really is a satisfying project if you have the necessary skills. This master

Arduino-based master clock for schools using ATmega128 is a post from: ATMega32 AVR