The heart of this clock is PIC16F84 microcontroller. (Older PIC16C84 version works just
fine). The microcontroller is programmed with the code provided below. If you don't have a
PIC programmer, it isn't difficult to one. A few parts (for a
In January 2007 I was introduced to some interesting photos
of ice growing from a metal fence on Vancouver Island, British Columbia,
Canada. I corresponded with Sheryl Terris about her photos and she
gave me permission to use...
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