Cov txheej txheem:
Video: USB Stud Light: 3 Kauj Ruam
2024 Tus sau: John Day | [email protected]. Kawg hloov kho: 2024-01-30 09:30
Yeej yog USB Worm Light tab sis tsis muaj cov kab mob.
Hauv cov lus qhia hauv qab no kuv yuav qhia koj yuav ua li cas ua kom yooj yim dua ntawm USB Wormlight Tab sis kuv tsuas xav ceeb toom koj Kuv yuav siv feem ntau cov duab ua hauv MS pleev xim, kuv lub koob yees duab tsis tuaj yeem tsom mus ze cov khoom. Tsis tas li, kuv xav kom koj paub tias cov lus qhia no tau nrawm heev, Kuv muaj sijhawm tsawg heev los ua nws, thiab tsis tuaj yeem ua kom nws zoo dua. Hauv kuv cov lus qhia tom ntej, Kuv yuav siv zog ntau ntxiv, thiab kuv thov txim yog tias koj muaj teeb meem nkag siab nws. Ua tsaug rau koj nyeem kuv thawj cov lus qhia..
Kauj Ruam 1: Tau Txais Qhov …
Okay, txhawm rau ua qhov no koj yuav xav tau ob peb qho sib txawv thiab cov khoom: Ua ntej tshaj, koj yuav tsum muaj lub siab siv LED, nyiam dua dawb. Tsis tas li koj yuav tsum paub nws cov lus tshwj xeeb (zoo li tam sim no thiab qhov ntsuas hluav taws xob). Ntawm no koj yuav tsum nrhiav qhov tiv thaiv qhov tseeb. Tam sim no koj feem ntau yuav paub txoj cai ohms, tab sis txhawm rau ua kom yooj yim: Voltage Source - Voltage drop of LED / Current Draw of LedExample: 5v -3.6v (= 1.4v) / (cia hais 75ma uas =) 0.075 = 18.6 yog li 18 ohm resistor. Lwm yam koj yuav xav tau yog USB ntsaws, qhov no tsuas yog USB ntsaws uas tsis muaj dab tsi txuas rau nws. Saib daim duab hauv qab no Thaum kawg koj yuav xav tau qee yam ntawm epoxy cob. Qhov no tsuas yog txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhim kho kev ua haujlwm, koj yuav tsum tau siv qee yam cuab yeej yooj yim xws li pliers, sab txiav cov hlau txuas thiab lwm yam.
Kauj ruam 2: Muab tso ua ke
Tam sim no yam koj yuav tsum tau ua yog muab nws tso ua ke.
Thawj qhov txiav tawm qee qhov ntawm qhov ua rau ntawm LED, tawm ntawm 1.25 cm ntev dua thiab 0.5cm ntawm cov luv luv, tom qab ntawd khoov qhov anode, raws li qhia hauv ib qho ntawm cov duab hauv qab no, thiab so nws kom LED lub taub hau yog nyob rau ntawm kab nkhaus me me uas qhov cable yuav ib txwm muaj, thiab nrog cov hlau lead dag hauv qhov zawj ntawm qhov ua tau zoo ntawm USB ntsaws (1). Koj tuaj yeem qhia qhov twg koj tau muab tso rau hauv los ntawm kev saib ib qho ntawm cov duab hauv qab no. Muab nws tso rau hauv qhov chaw. Tom ntej no, txiav ob qho tib si ntawm tus tiv thaiv ua rau ib puag ncig 0.5cm. Cov laug ib sab rau qhov zawj txuas nrog rau #4, thiab lwm qhov kawg rau qhov ua kom rov zoo ntawm LED. Yuav luag tiav.
Kauj Ruam 3: Tiav Nws Tawm thiab Xeem …
Kauj ruam kawg: Yam koj yuav tsum tau ua yog thawj zaug kom paub tseeb tias tsis muaj ib tus coj ua kov. Tom qab ntawd sib tov qee cov epoxy thiab maj mam siv nws hla txhua qhov kev sib cuag thiab cov khoom siv. Tom qab txhua yam yog txheej zoo, tso cov epoxy los teeb. Qhov no yuav siv sijhawm li ib teev (Zoo tiag tiag li 7 feeb, tab sis nws mus txog qhov nyuaj tshaj plaws tom qab 60). Thaum tag lawm, txhua yam koj yuav tsum ua yog ntsaws nws mus rau hauv USB chaw nres nkoj thiab saib nws lub teeb tawm. Yog li koj mus, nws yog ua tiav. Koj tuaj yeem txuas nws mus rau qhov txuas txuas txuas thiab nws yuav ua haujlwm zoo li cov kab mob cab Ib qho ntxiv, koj tuaj yeem ntsaws nws rau hauv lub USB them nyiaj nqa tau; uas muaj ntau cov lus qhia, thiab siv nws zoo li lub teeb me me. Tab sis yog tias nws tsis ua haujlwm, tshem nws tam sim vim tias tej zaum yuav muaj hluav taws xob luv uas yuav ua rau koj puas USB chaw nres nkoj, tsis yog lub cuab yeej.
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