Tunable Dawb 2835 SMD LED

Lub tswv yim yooj yim

Xav txog koj lub LED li muajob lub teeb pom kev zoohauv ib pob me me:

Ib lub teeb muablub teeb sov(3000K, zoo li tswm ciab).

Lwm tus muablub teeb txias(6500K, zoo li yav tav su tshav ntuj).

Kom tautej xim kub nyob nruab nrab, koj tsuas xav tausib tovob lub teeb no, ib yam li sib tov dej kub thiab dej txias kom tau txais qhov zoo tshaj plaws da dej kub.
Yog tias koj xav kom sov lub teeb, koj tig lub teeb sov thiab tig lub teeb txias. Yog tias koj xav tau lub teeb txias dua, koj ua qhov sib txawv.

The Key Technology: PWM (Pulse Width Modulation)

Koj tsis tuaj yeem siv lub pob qhov rooj los txo qhov voltage, vim tias LEDs tsis ua haujlwm zoo li ntawd (lawv yuav flicker lossis hloov xim). Es tsis txhob, peb siv ib tug ua kom yuam kev hu uaPWM.

PWM txhais tau tias tig lub LEDntawm thiab tawm ceev heev- txhiab zaus hauv ib ob. Koj ob lub qhov muag tsis tuaj yeem pom qhov flicker, yog li nws zoo li LED yog ib txwm nyob, tab sis tsuas yogdimmerlos yogci dua.

Yog tias LED yograu 90% ntawm lub sijhawmthiab tawm rau 10%, nws zoo li ci heev.

Yog nws yograu 20% ntawm lub sijhawm, nws zoo li dim.

Los ntawm kev tswj cov feem pua ​​​​ntawm "lub sijhawm" (hu ualub luag haujlwm cycles) rautxhuantawm koj ob lub LEDs, koj tuaj yeem sib tov rau hauv ib qho kev faib ua feem.

Yuav Ua Li Cas Hauv Kev Xyaum (Cov kauj ruam yooj yim)

Tau txais ib tus maub los uas txhawb nqa dual-xim (CCT) LEDs
Qhov yooj yim tshaj plaws yog mus yuav ib qho npaj txhijdual-channel LED tsav tsheblos yog aCCT tswj(CCT=Correlated Xim Kub). Cov controllers no muaj ob qhov tso zis:

Tso zis 1 → txuas rau koj 3000K nti

Tso zis 2 → txuas rau koj 6500K nti
Tom qab ntawd koj tuaj yeem siv cov chaw taws teeb, pob qhov rooj, lossis lub xov tooj smartphone kom xaub cov xim kub zoo ntawm 3000K txog 6500K.

Yog tias koj xav tsim koj tus kheej circuit, koj xav tau:

A microcontroller(zoo li Arduino) - qhov no yog "lub hlwb" uas tsim ob lub PWM teeb liab.

ObLED tsav tsheb circuits(ib qho rau txhua xim) - cov no coj PWM cov cim thiab ua kom muaj zog ntawm LEDs.

Ib txoj hauv kev los tswj nws - zoo li potentiometer (khob), Bluetooth, lossis Wi‑Fi.

Tom qab ntawd koj sau ib txoj haujlwm yooj yim uas hais tias:
"Thaum lub pob qhov rooj tig mus rau ib nrab, muab 50% PWM rau qhov sov sov thiab 50% rau qhov txias LED."
Qhov ntawd muab rau koj kwv yees li 4750K (qhov nruab nrab).
Tig nws ntau rau sab sov → sov LED tau 80%, txias tau 20%.

Yam tseem ceeb uas yuav tsum nco ntsoov

Siv cov tsav tsheb tas mus li tam sim no, tsis yog cov resistors xwb, vim hais tias 2835 LEDs xav tau ib tug ruaj khov tam sim no ua hauj lwm yam xyuam xim thiab kav ntev.

Teem PWM zaus tshaj 1 kHz(1,000 zaug ib ob) yog li koj tsis pom ib qho flicker.

Cia lawv txias- thaum LEDs kub, lawv cov xim thiab qhov ci tuaj yeem hloov pauv, thiab lawv yuav hlawv sai dua. Ntxiv lub dab dej kub yog tias xav tau.

Summary nyob rau hauv ib kab lus

Kom tau txais cov xim kub uas koj xav tau, tsuas yognws tus kheej tswj qhov cintawm 3000K thiab 6500K chips sivPWM, thiab sib tov lawv lub teeb - ntau lub zog koj muab rau ib qho, ntau qhov xim dominates.

Guangmai Technology yog lub chaw tsim khoom LED tsim nyob rau xyoo 2009, tshwj xeeb hauv kev ntim khoom thiab kev cai LED daws teeb meem.

Peb cov khoom tseem ceeb suav nrog SMD LEDs, High Power LEDs, COB LEDs, UV LEDs, IR LEDs, VCSELs, thiab ceramic substrate LEDs. Peb muab wavelengths los ntawm 200nm mus rau 3000nm rau daim ntaub ntawv xws li horticulture teeb pom kev zoo, kho mob pab kiag li lawm, industrial curing, tshuab tsis pom kev, kev ruaj ntseg, thiab kev tshawb fawb.

Nrog rau cov khoom siv ntau lawm, kev tswj xyuas nruj, thiab kev paub txog engineering, peb muab cov khoom lag luam txhim khu kev qha thiab cov kev daws teeb meem rau cov neeg siv khoom hauv ntau tshaj 50 lub teb chaws thoob ntiaj teb.

Peb tau cog lus tias yuav xa cov khoom zoo siab - LED cov khoom zoo, tus nqi sib tw, thiab kev pabcuam tshaj lij rau peb cov neeg koom tes thoob ntiaj teb.