synchronous 4-bit BCD up/down counter using D-flip flops

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syedamehakfatima

Joined May 2, 2012
15
basically i implement this this circuit in my project that is enter exit door counter in which i use 2 sensors , a BCD counter ,BCD to 7-segment decoder and 7-segment display. now i will make counter my self instead using IC.
 

WBahn

Joined Mar 31, 2012
30,058
i just need your help and you are asking questions to me...
Just telling you the answer will not help you in the long run. You need to learn to ask yourself these types of questions and then, by answering them, to find your own solutions.

My assumption is that you are attempting to become an engineer of some kind. Engineers are problem solvers. For the vast majority of the time, there will be no one to ask whether or not you got the right answer, because if there was they wouldn't be paying you!
 
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