>(I was hoping some PIC of 18F series can >handle this). Of course the most time and CPU consuming part is >the training which will be held in a PC. Only the weights of the >NN are going to be put in some memory, for the calculations. >(If i ever manage to build this NN) I suspect you would get a fair way with an 18F8x20 series device which has 128k internal ROM and up to 2MB external ROM addressing capability. -- http://www.piclist.com hint: The list server can filter out subtopics (like ads or off topics) for you. See http://www.piclist.com/#topics