Tuesday, July 6, 2010

7 Segment Counter Circuit


Here is a seven segment counter that uses counter IC CD 4033. NE 555 is used as an astable multivibrator for triggering 4033. For each pulse the out put of CD 4033 advances by one count. The output of CD 4033 is displayed by the seven segment LED display LT543. Switch S1 is used to initiate the counting.Diode D1 prevents the risk of accidental polarity reversal.





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