Dear Henrik, and other who tryed to help me.

Today I made a new prototype.. Soldering new components on a new (but same) professionnal dual layer PCB and, using same programs
Plugin and.... Working !

I really don't know what's wrong with the first one.
My new prototype has just what is needed to test the SPI. (Only 2 pic and max232a)

Trying now to write the complete program... God bless me

Thank you very much
Name:  IMG_20131113_200553.jpg
Views: 1792
Size:  177.9 KB