Diy Light Show Control System . Simple and cheap project input : * connect the orange pin of each of the servos to the 5, 6, and 9 on the arduino. DMX Effect Controller 12 Steps (with Pictures) Instructables from www.instructables.com When the shift to ip communications came about, the lighting control over ip standard sacn or e1.31 was adopted. Remove the jumper in most relay boards. The collector is the middle lead on the transistor.