The PIC can scan the individual elements of the clock’s display. On the PIC’s output side, he used a couple of analog switches to control the ‘Fast’, ‘Slow’, and ‘Display Alarm/Time ...
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See vintage photos of 1960s floral clock in Birmingham, and which Alabama city has one nowSee photos in the gallery at the top of this story. When the clock out front was completed, it quickly became a popular attraction. In October of 1963, Birmingham News columnist Walling Keith ...
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