HI all,

it seems that RS485 will be the best way to do your communication between your cards.
you could find some examples at:

http://www.mikroelektronika.co.yu/en...sicbook/07.htm

actually i'm working on a temperature controler for my house which will send data to a PC near the TV.
i want to realise a control of all the settings in my house with a IR remote.

i'll post my works when everything is ok

excuse me for my english, i'm french