1. Ua kom muaj 3V DC fais fab mov yooj yim rau kev txuas lub teeb-emitting diodes ntawm koj tus kheej, uas yog ua los ntawm cov roj teeb. Ob lub pob roj teeb tuaj yeem siv tau, uas tau muab tso rau hauv ib lub raj yas me me thiab coj tawm ob qhov kev sojntsuam raws li qhov zoo thiab qhov tsis zoo. Tus Tsov tus tw yog ncaj qha mus rau hauv ib qho kev hloov nrog shrapnel. Thaum siv, qhov zoo thiab qhov tsis zoo sojntsuam sib raug rau cov pins zoo thiab tsis zoo ntawm LED, nias thiab tuav tus tes hloov ntawm tus Tsov tus tw kawg, thiab LED yog powered on.
2. Siv lub LED thiab teeb nws nrog ntau tshaj 3V DC. Lub teeb emitting lub taub hau yog tig mus thiab ze rau ntawm qhov chaw photosensitive ntawm kev txuas nrog photosensitive resistor. Lub sijhawm no, multimeter yuav nyeem kom paub qhov txawv ntawm qhov ci ci ntawm LED.
Lub grey theem ntawm LED zaub screen yog siab heev, uas muaj peev xwm ncav cuag 256 mus rau 1024. Txawm li cas los xij, vim qhov tsis tshua muaj siab ntawm tib neeg lub qhov muag rau qhov ci ci, cov qib grey no tsis tuaj yeem lees paub. Hauv lwm lo lus, ntau tus neeg uas nyob ib sab grey qib yuav zoo ib yam. Thiab qhov muag kev ntxub ntxaug txawv ntawm ib tus neeg mus rau lwm tus. Rau lub vijtsam zaub, qhov ntau ntawm tib neeg qhov muag pom theem, qhov zoo dua, vim tias cov duab tso tawm yog rau tib neeg pom tom qab tag nrho. Qhov ntau dua qhov ci ntsa iab uas tib neeg lub qhov muag tuaj yeem paub qhov txawv, qhov loj dua qhov chaw xim ntawm lub vijtsam zaub, thiab qhov muaj peev xwm ua kom pom cov xim nplua nuj. Cov cim qhia qhov ci ci tuaj yeem kuaj nrog software tshwj xeeb. Feem ntau, lub vijtsam zaub tuaj yeem ncav cuag ntau dua qib 20, uas yog qib zoo dua.
Lub brightness ntawm sab hauv tsev puv xim LED zaub screen yuav tsum muaj ntau tshaj 800cd / m2, thiab hais tias ntawm sab nraum zoov tag nrho-xim zaub screen yuav tsum ntau tshaj 1500cd / m2, thiaj li yuav ua kom ntseeg tau cov hauj lwm zoo ntawm cov zaub screen, txwv tsis pub cov tso tawm kom pom. daim duab yuav tsis pom meej vim qhov ci ntsa iab tsawg dhau. Lub ci ci yog tsuas yog txiav txim siab los ntawm qhov zoo ntawm LED tuag. Qhov loj ntawm qhov pom lub kaum ntse ntse txiav txim siab cov neeg tuaj saib ntawm lub vijtsam LED, yog li qhov loj dua qhov zoo dua. Qhov pom lub kaum ntse ntse yog txiav txim siab los ntawm cov pob tuag. Nws yog ib qho tsim nyog los txiav txim siab qhov ci ntawm LED zaub screen. Tam sim no, qhov yuav tsum tau ua kom pom kev ci ntsa iab ntawm lub nroog ci ntsa iab LED zaub screen, lossis cov kev cai tshiab tau tshaj tawm. Yog tias qhov ci ntawm LED npo siab dhau lawm, nws yuav ua teeb meem rau cov neeg nyob ze. Txhawm rau kom tsis txhob muaj kev cuam tshuam tsis zoo, cov lag luam yuav tsum muaj kev paub txog cov khoom lag luam thaum kho thiab tswj cov khoom siv LED
