clear all; s = serial('COM1','BAUD',19200,'DataBits',8,'StopBits',1,'FlowControl','hardware'); fopen(s); fid=fopen('test.dat','w') for i=1:10 idn = fscanf(s); fprintf(fid,'%s\n',idn); text=char(idn); end fclose(s); fclose(fid);