12 hour clock using JK flip flops or 74LS90 counter

Thread Starter

krush212an

Joined Dec 1, 2013
1
Im trying to make a clock i made the clock to display minutes and seconds but i can get it to work for hours.
Can anyone help?
Thank You
 

tshuck

Joined Oct 18, 2012
3,535
I believe I saw this circuit on howstuffworks... never got around to making it, though...

Post your schematic and truth table...
 
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