... SPI signal DMX_SPI Controller+SPI ModuleMaster Controller 1, LCD display function;2,Key-press(4 pcs)operation function;3,Memory storage function; 4 ... ,adjust the change time;5,Output SPI signalMaster controller model: LN-DMXSPI-MAIN ... 3CH,16*3CH)Master Controller 1, LCD display function;2,Key-press(4 pcs)operation function;3,Memory storage function;4, ...