digital problem....

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vixabs

Joined Aug 24, 2010
1
i am building a multisim circuit of a digital clock that counts from 1 to 12. i use 74LS90 IC.. my problem is that i don't know how to make an indicator that indicates am or pm... also, if a am going to make an actual circuit i don't know how to provide the clock pulse... can you please help me... i have attached the design of my circuit for you to verify... i really need your help...
 

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AMIT_GOHEL

Joined Jul 13, 2010
67
However you can not get AM & PM writen in 7segment,but you probably create words like A & P from it.
and to make it toggle at 12 hour you can design counter..
 
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