Simple and precize 1Hz clock generator

Can you think of where 1Hz clock signal could be used? Well probably in many places inlcuding fake alarm LED blinker, driving various counters or clocks…


Anyway this is real fun project as there are PIC12F675 microcontroller’s 16 bit timer used to generate the clock signal. Microcontroller is driven by 32,768Hz crystal – standard crystal that is used in most digital clocks. Small, simple and reliable.

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