Menene motsin matsa lamba akai-akai?Constant halin yanzu yana nufin ƙimar halin yanzu da aka ƙayyade a lokacin ƙirar fitarwa akai-akai a cikin yanayin aiki mai izini na IC drive;Ƙimar wutar lantarki ta yau da kullun tana nufin ƙimar ƙarfin lantarki da aka ƙayyade a lokacin ƙirar fitarwa akai-akai a cikin yanayin aiki da aka halatta na tuƙi IC.LED nuni aka ko da yaushe kore ta akai-akai irin ƙarfin lantarki kafin.Tare da haɓakar fasaha, ana maye gurbin mashin wutar lantarki akai-akai a hankali da kullun na yau da kullun.Gudun kai tsaye yana magance cutar da rashin daidaituwa na halin yanzu ta hanyar juriya lokacin tuki a ƙarƙashin matsin lamba wanda ya haifar da rashin daidaituwa na ciki na kowane nau'in bututun LED.A halin yanzu, allon nuni na LE yana amfani da kullun kullun.Matsakaicin halin yanzu.Hakanan za'a iya raba shi zuwa: 1. Static constant current drive.Wannan hanyar dubawa ta dace da allon nuni a waje, kuma haskensa yana da girma sosai.An raba wutar lantarki akai-akai na yanzu zuwa 1/2,1/8,1/16.Gabaɗaya magana, ɗauki 1/4 a matsayin misali.Idan wutar lantarki ta samar da halin yanzu na minti daya, yana buƙatar duba sau hudu a cikin wannan minti.A matsakaita, fitila ɗaya yana kunne kawai don 1/4 seconds.Tsayayyen halin yanzu yana da amfani ga nuni na cikin gida, amma ana amfani da 1/2 daga cikinsu don nunin waje.