... signal DMX_SPI Controller+SPI ModuleMaster Controller 1, LCD display function;2,Key-press(4 pcs)operation function;3,Memory storage function; 4 ... .45/pcsDMX_485 controller+slave controller(1*3CH,4*3CH,8*3CH,16*3CH)Master Controller 1, LCD display function;2,Key- ... press(4 pcs)operation function;3,Memory storage function ...