I did an experiment on the code from this post.
http://forum.arduino.cc/index.php?topic=110578.0
and it work perfectly on the arduino Uno.
Here the thing:
when I most to bread board (I want minimal power consumption). I'm hoping to use the Pin interrupt to wake up the my ATMEga328. Is it possible to do this? if it is can you please gaive me an advice on how to do it please.