cellular phone calling detector

milee

Jul 11, 2009
1
Joined
Jul 11, 2009
Messages
1
dear everyone...
i am doing a project on this topic..n i m in the middle of no where....i tried to join the ckt but could not get any output...
in addition i would also like to know the function of each components
if anyone can help meh out then i would be grateful
 
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