Ziziphi iingenelo zee-ics ezakhelwe ngaphakathi kunye nee-ics zangaphandle kwiintambo zokukhanya ze-LED ngokulandelelana?

Kwintsimi yeImichilo yokukhanya ye-LED, Umahluko ophambili phakathi kwe-"IC eyakhelwe-ngaphakathi" kunye ne "IC yangaphandle" ibekwe kwindawo yokufakela i-chip yokulawula i-chip (IC), echaza ngokuthe ngqo imo yokulawula, iimpawu zokusebenza, ubunzima bofakelo kunye neemeko ezisebenzayo zemichilo yokukhanya. Iinzuzo kunye nomahluko phakathi kwezi zimbini zinokuthelekiswa ngokucacileyo ukusuka kwimilinganiselo emininzi, ngolu hlobo lulandelayo:

Umgca wokukhanya we-IC owakhelwe ngaphakathi: I-IC kunye ne-LED edibeneyo, i-designing elula kunye nokufakwa
Into ephambili yomgca wokukhanya we-IC eyakhelweyo kukupakisha i-chip yokulawula (IC) kunye ne-LED ukukhanya bead ngokubanzi (njengeemodeli eziqhelekileyo WS2812B, SK6812, njl.), Oko kukuthi, "intsimbi enye yokukhanya ihambelana ne-IC enye", ngaphandle kwesidingo se-chip eyongezelelweyo yolawulo lwangaphandle. Iinzuzo zayo zibonakaliswa ikakhulu kule miba ilandelayo:

Isakhiwo se-1.Compact kunye nokufakwa lula
I-IC eyakhelwe-ngaphakathi idibanisa "i-LED beads + control IC" kwiphakheji enye, yenza ulwakhiwo olupheleleyo lomgca wokukhanya ube mncinci, ube lula kunye ne-slimer. Akukho mfuneko yokuba kugcinwe indawo eyongezelelweyo yofakelo lwe-IC, olulungele ngakumbi iZithuba ezimxinwa kunye neemeko ezincinci (ezifana nezibane zokukhanya zefenitshala, iiperipherals zokudlala, kunye nezibane zokuhombisa ezincinci).
Xa ufaka, akukho mfuneko yokulungisa i-IC yangaphandle ngokwahlukileyo. Uyibambe nje okanye uyifake ngocingo ngendlela eqhelekileyo yeentambo zokukhanya, ezinciphisa kakhulu ubunzima bokwakha. Nabaqalayo banokuyisebenzisa ngokukhawuleza.
2. Ulawulo olululo, oluxhasa “ulawulo lombala wenqaku elinye”
Njengoko intsimbi ye-LED nganye ixhotyiswe nge-IC ezimeleyo, inokufikelela ukuqaqamba okuzimeleyo kunye nohlengahlengiso lombala wepikseli nganye (amaso e-LED) (njengeempembelelo eziguquguqukayo njengamanzi aqukuqelayo, i-gradient, kunye nomboniso wombhalo), ukubonelela ngokubonakalayo okubonakalayo. Ilungele imiboniso efuna iziphumo zokukhanyisa ezisulungekileyo (ezifana nezibane ze-ambient, ukukhanya ngasemva kwimizobo yokuhombisa, kunye nokukhanya kweenkcukacha zeqonga).
3. Iingcingo ezilula zinciphisa inani leempazamo
Imigca yokukhanya ye-IC eyakhelwe ngaphakathi ngokuqhelekileyo ifuna kuphela iingcingo ezintathu: "VCC (positive), GND (negative), kunye ne-DAT (umgca wesignali)" ukuze isebenze (ezinye iimodeli ziquka imigca yewotshi ye-CLK), kwaye akukho mfuneko yokucwangcisa umbane ongezelelweyo okanye imigca yesignali ye-ics yangaphandle. Inani leengcingo lincinci, kwaye isiphaluka silula.
Ngokunciphisa "iindawo zokudibanisa phakathi kwe-IC yangaphandle kunye ne-LED ubuhlalu", amathuba okuba neziphene ezibangelwa i-wiring ekhululekile kunye nokudibanisa okungahambi kakuhle kuyancipha ngokwemvelo, kwaye ukuzinza kuphezulu.
4. Iindleko ziyakwazi ukulawulwa kwaye zifanelekile kwiimeko eziphakathi nezincinci
Nangona iindleko ze-"LED + eyakhelwe-ngaphakathi ye-IC" enye iphezulu kancinane kuneentsimbi zesibane eziqhelekileyo, iphelisa ukuthengwa okuhlukeneyo kunye neendleko ze-soldering ze-ics zangaphandle, okwenza ukuba isisombululo siphelele sihlawuleke ngakumbi. Ngokukodwa ifanelekile kubude obuphakathi kunye nobude obuncinci kunye nezicelo zebhetshi ezincinci (ezifana nokuhlobisa ikhaya kunye nomhlobiso omncinci wezorhwebo).

Umtya wokukhanya we-IC wangaphandle: I-IC ingaphandle ngokuzimeleyo, iguquguquka ngokuguquguquka kumandla aphezulu kunye neemeko ezinzima.
Inqaku eliphambili lomgca wokukhanya we-IC wangaphandle kukuba i-chip yokulawula (IC) kunye neentsimbi ze-LED zifakwe ngokwahlukileyo - amaso aqhelekile amaso e-IC (afana ne-5050, ama-2835 amaso), ngelixa i-IC yolawulo ithengiswa ngokuzimeleyo kwindawo ethile kwibhodi ye-PCB yomgca wokukhanya (njenge-WS2811ICs, njl njl. Amaso e-LED” (umzekelo, i-IC enye ilawula amaso e-LED amathathu). Iinzuzo zayo zibonakaliswa ikakhulu kule miba ilandelayo:

I-1-Ihambelana namandla aphezulu kwaye inokutshatyalaliswa kobushushu obungcono
I-IC yangaphandle ihlukaniswe kwi-LED ubuhlalu bokukhanya, ukuphepha ingxaki "yokuqokelela ubushushu" ye-IC kunye neentsimbi ezikhanyayo kwiphakheji efanayo. Ilungele ngokukodwa imichilo yokukhanya yamandla aphezulu (njengalawo anamandla angaphezu kwe-12W ngemitha nganye kunye neemeko zokukhanyisa ezikhanyayo).
I-ics zangaphandle ziyakwazi ukutshabalalisa ubushushu ngendawo enkulu ye-foil yobhedu kwibhodi ye-PCB okanye izakhiwo ezongezelelweyo zokutshatyalaliswa kobushushu zingayilwa ukunciphisa umngcipheko wokuthotywa komsebenzi okanye umonakalo obangelwa ukushisa okuphezulu. Uzinzo lwabo lwexesha elide lufanelekile ngakumbi kwizicelo zomthwalo ophezulu (njengokukhanya kwezorhwebo kunye neebhokisi zokukhanya zentengiso yangaphandle).

2-Ulawulo oluguquguqukayo, oluxhasa "iqela elinezibane ezininzi"
Ii-ics zangaphandle zihlala zixhasa "i-IC enye elawula amaso amaninzi okukhanya" (ezifana nezibane ze-3 / IC, izibane ze-6 / IC), kwaye inokufikelela "ukulawula umbala ngeqela" - ifanelekile kwiimeko ezineemfuno eziphantsi "zokulawula umbala we-single-point" kodwa zifuna "imiphumo eguqukayo yengingqi" (ezifana nezibane zenkcazo yesakhiwo sangaphandle, izibane zokuhlamba indawo enkulu).
Ezinye ii-ics zangaphandle (ezifana ne-WS2811) zixhasa amagalelo ombane aphezulu (afana ne-12V/24V). Xa kuthelekiswa negalelo eliqhelekileyo le-5V yee-ics ezakhelwe ngaphakathi, zinokunciphisa amandla ombane amancinci ngexesha lokuhanjiswa komgama omde kwaye zifanelekile kwizicelo ze-ultra-long strip light (ezifana nemigca yokukhanya yangaphandle ngaphezulu kweemitha ezili-10).

I-3-Indleko yokulungisa ephantsi kwaye kulula ukuyibuyisela
I-IC yangaphandle ihlukaniswe kwiintsimbi zesibane. Ukuba i-IC ethile ingasebenzi kakuhle, kuphela i-IC ephosakeleyo idinga ukutshintshwa ngokwahlukileyo, ngaphandle kwesidingo sokutshintsha indawo yonke yokukhanya kokukhanya (ukuba i-IC yangaphakathi ingasebenzi kakuhle, yonke iphakheji "ye-lamp beads + IC" kufuneka itshintshwe). Ngokufanayo, ukuba amaso e-LED angasebenzi kakuhle, akukho mfuneko yokutshintsha i-IC kunye nabo. Ngexesha lokugcinwa, iindleko zamacandelo ziphantsi kwaye umsebenzi uguquguquka ngakumbi.
Kwiimeko ezinkulu kunye nexesha elide zokusetyenziswa (ezifana neendawo zokuthenga kunye neeprojekthi zangaphandle), inzuzo yeendleko zokugcinwa kwexesha elizayo ibonakala ngakumbi.

I-4-Ukuhambelana okunamandla, okufanelekileyo kwiinkqubo zokulawula eziyinkimbinkimbi
Ukukhethwa kwemodeli yee-ics zangaphandle zihluke ngakumbi. Ezinye ii-ics zangaphandle eziphezulu zixhasa amazinga aphezulu okuhanjiswa kwesignali kunye neendlela zokulawula ngaphezulu, kwaye zihambelana neenkqubo zokulawula eziyinkimbinkimbi (ezifana ne-DMX512, i-Art-Net protocol), ifanelekile kwiimeko ezinkulu zobunjineli (ezifana neenkqubo zokukhanyisa isiteji, ukukhanya kwendawo enkulu), kwaye inokufikelela ekulawuleni ukudibanisa okuhambelanayo kwemichilo emininzi yokukhanya.

Ukuba iimfuno zesithuba esincinci, iziphumo eziguquguqukayo ezintle, kunye nofakelo olulula (ezifana nezibane ezijikeleze ikhaya, ukuhonjiswa kwedesktop), nika kuqala ekukhetheni imicu yokukhanya ye-IC eyakhelweyo.
Ukuba iimfuno zezamandla aphezulu, umgama omde, iimeko zangaphandle okanye ukulungiswa okulula kwinqanaba elilandelayo (njengesakhiwo sangaphandle kunye nokukhanya kwe-mall mall), imichilo yokukhanya ye-IC yangaphandle kufuneka inikwe kuqala.
Ukukhanya kwe-MX kunokukhanya okwahlukeneyo komtya we-LED kubandakanya ne-COB / CSP strip,umcu we-pixel oguqukayoI-neon flex, umtya wombane ophezulu kunye newawasher.Qhagamshelana nathiukuba ufuna iisampulu zovavanyo!

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