Final Results

This is a collection of diagrams for components of the clock, which I actually used. Original designs can be found further below.

Diagram of 1Hz Clock

555 Clock

(unfinished) Diagram of the Controller for the 2 dual 7-segment displays

7-seg Controller

Diagram of the LED Controller

LED Controller

Original Ideas

I had originally planned to get the 1Hz clock pulse from the mains frequency, as shown below. However, for simplicity, I am now using the 555 circuit, shown above. In this idea, I was going to take the 60Hz and step it down to 1Hz with a series of counter IC's.

+5VDC Power Supply

60Hz Line Clock

Copyright David Coss 2014
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