Digital clock as we know it

Sometimes we just need a simple digital clock without fancy features and schematic. So manelsoft simply found textbook PIC based digital clock and built it.

Clock uses PIC16F84A microcontroller driven by 4MHz crystal clock source. Time is displayed on 6 seven segment LED display controlled through CD4017 decade counter and common cathode transistors. Clock can be set with two available push-buttons. Source code and other necessary files are available to download and have it running right away.

[..Source link..]

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