Ko nga hua rangahau take a nga kaihoko, hei tohutoro anake, kaua hei hoko.
Tirohanga Hua:
Ko te JBF4123A Fire Hydrant Button he taputapu pono me te mahi nui i hangaia mo nga punaha tiaki ahi.Ma tana miihini miihini hanga-i roto me te hangarau whakakao SMT mata, ka whakarite kia mau te mahi me te pai o te rite.Kei roto i te paatene he punaha waea-rua kaore he whakaritenga polarity, ka taea te tuku tawhiti ki te 1000m me te pupuri i te iti o te hiko.Ka whakamahia te whakawaehere hiko, e taea ai te whakatika ma te whakamahi i te encoder hiko motuhake.He watea te whakaurunga, na te mea ka tautoko te paatene i nga rahi waea paerewa kaore he whakaritenga motuhake.