CQRobot DMX Shield MAX485 Chipset for Arduino (RDM Capable), Arduino Device into DMX512 Network. LED/Music Remote Device Management Capable, Extended DMX Master and Slave Arduino Device Functions. http://www.cqrobot.wiki/index.php/DMX_Shield_for_Arduino-CQR0260 Can very easily access the Arduino device to DMX512 network. Do not need to buy expensive equipment for loading protocol change. Equipped with high-quality NEUTRIK 3-pin plug. Ensure a reliable connection with other music devices.