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Digital Stopwatch Circuit [Project]
posted June 10 2014 10:12.03 by spic0m




This article describes the principle, design and operation of a digital stopwatch circuit. A digital stopwatch can be a circuit displaying the actual time in minutes, hours and seconds or a circuit displaying the number of clock pulses. Here is designed the second type wherein the circuit displays count from 0 to 59, representing a 60 second time interval. In other words here the circuit displays the time in seconds only. This is a simple circuit consisting of a 555 timer to produce the clock pulses and two counter ICs to carry out the counting operation.

[Link: Electronics Hub]
 
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