A set of 8 switches are
interfaced to D-type flip flop working as priority encoder. While number of
switches is pressed at same time, it takes the first switch pressed into
consideration and generates a buzzer sound along with the indication of the
switch pressed.
This circuit includes 8 numbers of push buttons which are
fed to a D-type flip-flop. This flip-flop generates o/p signal which is fed to
a transistor, making the corresponding LED to switch ON and also generates a
buzzer sound.
Further the project can be enhanced by using a display to
indicate the order in which switches are pressed.
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