thanks for the reply....
but i could not understand what you mean to say.... but if you run nick gammon scanner program as one arduino master another as slave it always returns 127(0x7F sorry for previous error!!!!) that is 7 bit address but i want to change it to in range of 0-30 but how change it.... Is their any register(for Atmega328 their is register...), if it their how to set it????
Thanks in advance
Niladri....