Ka kakaretso, mehloli ea leseli la LED e ka aroloa ka mekhahlelo e 'meli: motho ka mongLeseli la diode la LEDmehloli kapa mehloli ea leseli la diode ea LED e nang le lihanyetsi.Lits'ebetsong, ka linako tse ling mehloli ea leseli la LED e entsoe e le module e nang le converter ea DC-DC, 'me li-module tse joalo tse rarahaneng ha li ka har'a sebaka sa puisano ea sengoloa sena.Haeba mohloli oa leseli la LED kapa mojule ke diode e arohaneng ea LED ka boeona, mokhoa o tloaelehileng oa ho fifala ke ho lokisa boholo ba sebaka sa marang-rang.LED e kenang hona joale.Ka hona, khetho ea matla a mokhanni oa LED e lokela ho bua ka tšobotsi ena.Li-strip tsa mabone a LED li sebelisoa haholo e le li-resistors tse nang le li-diode tsa LED tse hokahaneng ka letoto, kahoo motlakase o batla o tsitsitse.Ka hona, basebelisi ba ka sebelisa phepelo efe kapa efe ea motlakase e fumanehang khoebong ho khannaLisebelisoa tse khanyang tsa LED.

Tharollo e ntle ka ho fetisisa ea ho fifala ha leseli la LED ke ho sebelisa sebopeho sa "pulse wide modulation" PWM dimming ho rarolla mathata a tloaelehileng a "deadtravel dimming".Khanya ea tlhahiso e itšetlehile ka potoloho ea mojaro ea lets'oao le fifalang ho fihlela liphetoho tse fifalang tse fokotsang khanya.Mekhahlelo ea bohlokoa ea ho khetha phepelo ea matla a ho khanna ke tlhahlobo ea dimming le khafetsa ea phallo ea phallo ea phallo ea phallo ea PWM.Bokhoni bo fokolang ba ho fifala bo lokela ho ba tlase ho 0.1% ho fihlela qeto ea 8-bit dimming ho kopana le lits'ebetso tsohle tsa ho fifala ha leseli la LED.Phatlalatso ea phallo ea phallo ea maqhubu a PWM e lokela ho ba holimo ka hohle kamoo ho ka khonehang ho thibela mathata a ho panya-panya, Ho ea ka lingoliloeng tse nepahetseng tsa lipatlisiso tsa tekheniki, ho kgothaletswa ho ba le maqhubu a bonyane ho feta 1.25kHz ho fokotsa ho phunya ha ghost mahlong a motho.