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This then drives a 4024 7bit counter for seconds connected to a 4 input AND gate, half of a 4082, which in turn drives the clock input of another 4024 which counts minutes. A similar thing happens for minutes to hours. - Link
Binary Clock
This then drives a 4024 7bit counter for seconds connected to a 4 input AND gate, half of a 4082, which in turn drives the clock input of another 4024 which counts minutes. A similar thing happens for minutes to hours. - Link
Posted by Bre Pettis |
Dec 31, 2006 03:14 PM
DIY Projects, Electronics |
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Brings back memories...did this project as a 6th grade science project in '78. I used the 60 hz signal from the ac mains, put it through a divide by 10 and a divide by six to get a 1hz clock. the rest was similar ( as far as i can recall...). accurate enough for me back in the day!
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