Author Topic: How to built a counter circuit using jk flip-flop and 555 timer.  (Read 2930 times)

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Offline dempuoTopic starter

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hello,i am shazril from ungku omar polytechnic,perak,malaysia.i just want to ask how to built a counter circuit count 12,10,8,6 and 4 and back to 12 using jk flipflop and 555 timer ??

thank you.

Offline benji

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Re: How to built a counter circuit using jk flip-flop and 555 timer.
« Reply #1 on: May 22, 2008, 08:42:35 AM »
use the 555 as the first jk clock source, as long as your biggest num is 12 then you need 4 jks
cuz 12 == 1100
the first jk out clocks the second jk and so on if you want to count regularly,,
if now you have to figure out how to do clocking.
good ol' BeNNy

Offline Admin

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Re: How to built a counter circuit using jk flip-flop and 555 timer.
« Reply #2 on: May 25, 2008, 03:11:13 PM »
You could just buy a counter IC ;D

 


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