write
CP C = Color, P = Pattern
C = 0 Off C = 1 Green C = 2 Red C = 3 Orange
P = 0 Off P = 1 On P = 2 50% (250mS on, 250mS off) P = 3 30% (150mS on, 50mS off, 150mS on, 650mS off)
