SIMPLE_EVENT_COUNTER

Published:2009/6/22 23:03:00 Author:May | From:SeekIC

S1 is a power switch. U2 drives counter U3 by producing a pulse when S2 is depressed. U4 and DISP1 read the count of counter IC U3. S3 is a reset to zero switch. The counter is a basic one-digit circuit useful as a holding block or by itself.



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