hi friends,
i have this timer using (cd4001) nor gates and counter(4020),
on connecting supply D2 shoud b low and after 2 minuts(selected by pin 13 of 4020) it must b high............but alaaaaaaas it is not so on breadboard...........
can u tell me this idea is crect or
output will appear at any other place??
thanks
i have this timer using (cd4001) nor gates and counter(4020),
on connecting supply D2 shoud b low and after 2 minuts(selected by pin 13 of 4020) it must b high............but alaaaaaaas it is not so on breadboard...........
can u tell me this idea is crect or
output will appear at any other place??
thanks
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