Cov txheej txheem:
- Kauj Ruam 1: Cov Cuab Yeej Yuav Tsum Tau
- Kauj ruam 2: Cov ntaub ntawv
- Kauj ruam 3: Rub tawm
- Kauj Ruam 4: Rip Apart the UV Nail Curing Lamp
- Kauj Ruam 5: Xam tus Reflector thiab Ua Tus Qauv
- Kauj Ruam 6: Txiav lub Reflector
- Kauj Ruam 7: Ua kom pom qhov pom kev
- Kauj Ruam 8: Mount Fixtures
- Kauj Ruam 9: Txuas kab
- Kauj ruam 10: Mounting thiab Calibration
- Kauj Ruam 11: Xaus thiab Txais Kev Pom Zoo
- Kauj Ruam 12: Kev Ntsuas Ntau Ntxiv thiab Cov txiaj ntsig hauv ntiaj teb tiag
Video: Ua kom raug PCB qhov raug tawm ntawm qhov pheej yig UV Ntsia Kho Teeb: 12 Cov Kauj Ruam (nrog Duab)
2024 Tus sau: John Day | [email protected]. Kawg hloov kho: 2024-01-30 09:29
Dab tsi ua PCB ntau lawm thiab cov rau tes tsis zoo muaj dab tsi? Nkawd ob leeg siv UV lub teeb pom kev zoo ntawm qhov muaj zog thiab, raws li hmoov zoo yuav muaj nws, cov teeb pom kev zoo ib yam tib lub nthwv dej. Tsuas yog ib qho rau PCB kev tsim khoom feem ntau yog kim heev thiab cov rau cov rau tes rau ntawm tes yog qhov sib tw me ntsis.
Cov lus qhia no yog hais txog yuav siv lub cuab yeej zoo li cas los tsim lub teeb pom kev qis, tsim nyog nthuav tawm ntau yam khoom siv UV rhiab uas tau ntsib hauv cov ntawv luam tawm Circuit board, zoo li zaj duab xis qhuav photoresist thiab UV kho tau muag muag.
Ib yam li tus nqi qis heev (nyob ib ncig $ 20 rau txhua yam ntaub ntawv xav tau), qhov kev tsim no hais txog qee qhov teeb meem kuv tau pom ntawm lwm cov khoom siv ntawm intertubes:
- Collimation: Kom yooj yim nthuav tawm lub rooj tsavxwm nrog cov yam ntxwv ntxhib, koj tsis tas yuav ua ib qho ntawm no. Koj tuaj yeem siv lub tshuab ziab khaub ncaws raws li yog thiab hu nws ib hnub. Tab sis kom muaj peev xwm nthuav tawm cov yam ntxwv me me (nqes mus rau 5mil, raws li lub xaib no), koj yuav tsum ua kom ntseeg tau tias tag nrho koj cov duab hluav taws xob UV los ntawm tib txoj kev taw qhia, uas yog ncaj nraim rau pawg thawj coj saib koj tab tom nthuav tawm.
- Uniformity ntawm illumination thoob plaws lub dav hlau raug. Xav txog tej yam koj xav nthuav tawm lub rooj tsav xwm loj tiag tiag, piv txwv. A4 lossis ntawv loj. Koj yuav xav tau tib lub zog ntawm tag nrho lub rooj tsavxwm, tsis muaj qhov kub lossis tsaus ntuj. Txog qhov no, lub zog siv hluav taws xob yuav tsum muaj qhov nrug deb ntawm lub dav hlau nthuav tawm thiab koj xav tau ib qho ntim tau nruj heev ntawm cov peev txheej UV (zoo li UV-LEDs, uas tuaj yeem kim dua), lossis tsim kev cuam tshuam zoo rau UV qhov chaw koj muaj ntawm tes, uas yog qhov kuv tuaj nrog.
- Lub sijhawm raug: Kuv tsis muaj lub tswv yim nrawm npaum li cas cov peev txheej no nrog cov khoom ua kom muaj txiaj ntsig zoo tooj liab, raws li kuv tsis tau siv cov khoom ntawd, tab sis nrog cov zaj duab xis qhuav photoresist nws zoo li nrawm heev. Zoo li qis dua ob feeb nrawm. Qhov yog, Kuv tsis tsim nyog tiag tiag los txhais cov txiaj ntsig, yog li kuv yuav tsum sau ob peb qhov kev xav ntxiv ntawm qhov no.
Yog li, thaum tus nqi qis heev, qhov kev tsim no yuav ua rau koj ua tiav cov txiaj ntsig uas phim, lossis (qee zaum) txawm tias dhau ntawm cov cuab yeej uas nce txog 10 npaug kim dua.
Kauj Ruam 1: Cov Cuab Yeej Yuav Tsum Tau
- Muaj zog txiab txiab
- Qee yam pom lossis (nyiam dua) CNC-router los txiav tawm cov duab ci ci
- Kub hlau ua npuas ncauj txiav (yooj yim heev ua!)
- Kub kua nplaum phom
- Cov ntsia hlau qub (txhua yam yuav ua)
- Soldering hlau, hlau txiav
- Cov cua kub qhov chaw. Lub teeb yuav ua, tab sis lub chaw ua haujlwm cua sov rov ua haujlwm tau zoo dua:)
Kauj ruam 2: Cov ntaub ntawv
- UV ntsia thawv kho lub teeb zoo li qhov no
- 300x220x100mm daim ntawm XPS lossis cov pawg ua npuas dej zoo sib xws (yog tias koj tsis tuaj yeem tau txais cov khoom 100mm, koj tuaj yeem siv cov khoom me dua, tsuas yog xyuas kom nws tsawg kawg ~ 60mm)
- plumbers txhuas daim kab xev
- xaim
- cev tub
- cov kab txuas
- laug
- kab xev kab xev
- kub kua nplaum
- ob daim ntawm cov ntoo plywood, cov ntawv tuab, cov khoom siv PCB lossis zoo sib xws, tsawg kawg 110x60mm loj
Kauj ruam 3: Rub tawm
Nov yog cov ntaub ntawv los ua tus qauv ua kom pom kev zoo thiab txhim kho kev teeb tsa pawg thawj coj saib duab.
Rau cov qauv duab pom muaj ob daim ntawv g-code, ib qho rau milling thiab ib qho rau kev txiav laser. Kuj tseem muaj SVG. Pawg thawj coj kos duab tau muab ua cov ntaub ntawv dav dawb hau thiab ua cov ntaub ntawv PS ntxeev.
Kauj Ruam 4: Rip Apart the UV Nail Curing Lamp
Ua ntej tshaj, koj yuav tsum tau txais lub teeb pom kev zoo thiab PCB los ntawm cov ntsia hlau kho lub teeb. Tshem tawm txhua tus ntsia hlau, tshem tag nrho cov ntsaws thiab tshem tawm cov xaim rau cov khoom siv, vim txhua yam no yuav tsum tau ua kom ntev li cas.
Tom qab ntawd txiav cov khoom siv los ntawm lub thawv ntawv. Nco ntsoov tias koj tsis ua qhov no nrog teeb teeb tsa, lossis lawv yuav nres! Koj tsis tas yuav ua haujlwm huv tshaj plaws, tsuas yog saib xyuas kom txiav tawm tag nrho cov khoom siv sab ntawm lub teeb yuav nkag mus, vim qhov no yuav tsum tau glued rau lub tsom iav, thiab yog li yuav tsum tau yaug.
Kauj Ruam 5: Xam tus Reflector thiab Ua Tus Qauv
Yog tias qhov no tsis yog koj li, koj tuaj yeem hla cov kauj ruam no, vim kuv tau ua rau koj.:)
Rau cov neeg uas xav paub, ntawm no mus:
Parabolic reflector yog txoj hauv kev zoo ntawm kev tsom mus rau cov duab sib dhos hauv ib qho taw tes, tab sis nws tseem ua haujlwm rau lwm txoj hauv kev.
Raws li koj yuav tau pom los ntawm tam sim no, cov raj UV hauv cov ntsia thawv tshuab ziab khaub ncaws tsis yog koj li qub ib puag ncig cov hlab hluav taws xob nrog ib qho kev sib cuag ntawm txhua qhov kawg raws li lawv tau siv hauv feem ntau cov lag luam nyiam ua lag luam.
Yog li peb lub tsom iav tsis zoo ib yam li daim duab parabola ib yam, tab sis ob qho sib tshooj ib qho, hloov pauv.
Nov yog qhov ntsuas los ntawm cov raj:
Tube txoj kab uas hla = 11 hli
Tube offset los ntawm qhov chaw = 7.5 hli
Tag nrho qhov dav dav dav = 110 hli (ib nrab lub dav hlau raug)
Qhov xav tau focal point = 12mm (tawm txog 6mm nruab nrab ntawm phab ntsa sab nrauv thiab phab ntsa tsom iav. Yuav tsum txaus, vim cov hlab tsis kub heev)
Rau qhov tsis tu ncua, ib leeg parabola uas txhais rau cov txiaj ntsig no:
Parabola dav = 95 hli
Parabola tsom = 12 hli
Qhov sib npaug rau parabola (suav nrog kev tsom mus rau) mus zoo li no:
y = x^2 / 4f qhov twg x yog ib nrab ntawm qhov dav lossis txoj kab uas hla, f yog focal ntev thiab y yog qhov siab peb xav paub.
Nrog peb qhov txiaj ntsig ntsaws rau hauv, qhov sib npaug zoo li qhov no:
y = 47.5^2 /4*12 = 2256.25 / 48 = 47
Yog li peb y ntawm x = 47.5 yog 47. Tam sim no, txhua yam peb yuav tsum tau ua yog phiaj ob ntawm cov parabolas no thiab sib tshooj lawv 15mm sib nrug. Muaj ntau txoj hauv kev los ua qhov no. Kuv siv freeCAD, uas tej zaum tsis yog txoj hauv kev zoo tshaj los ua nws, yog li kuv yuav tsis nkag mus rau hauv.
Thaum koj tau txais cov duab sawv cev ntawm koj lub ntsej muag duab, txhua yam uas seem yog nrhiav txoj hauv kev hloov nws mus rau lub cev, uas tuaj yeem ua tiav los ntawm kev siv lub tshuab txiav laser, lub zeb CNC lossis txoj kev qub nrog fretsaw thiab hais lus ntau. Nco ntsoov tias koj cov ntaub ntawv tus qauv yuav tsum tiv taus cua sov ntawm cov hlau txiav kub.
Kauj Ruam 6: Txiav lub Reflector
Ua ntej txiav mus rau hauv koj daim ntawv ua npuas dej xwb, nws yog lub tswv yim zoo kom tau xyaum me ntsis. Tsis tas li, ua ntej txiav qhov pom qhov tseeb, koj yuav tsum txiav tag nrho lwm qhov kev so uas koj xav tau hauv koj lub npuas ua npuas ncauj (rau kev teeb tsa thiab kom haum rau pawg tswj hwm lub zog rau UV teeb). Koj tuaj yeem ua qhov qhov los ntawm cua sov lub hau ntswj qub nrog lub teeb lossis rab phom cua kub thiab muab nws tso rau hauv ua npuas ncauj.
Tack cov qauv mus rau pawg thawj coj ua npuas dej, kom lawv zoo ib yam nkaus. Koj tuaj yeem siv cov kua nplaum kub rau qhov no, tab sis saib xyuas kom tsis txhob siv ntau dhau, yog li koj tuaj yeem tshem lawv tawm yam tsis rhuav tshem ua npuas dej tom qab. Tom qab ntawd txiav tawm ua npuas dej hauv qab tus qauv nrog lub xaim kub txiav. Nco ntsoov tias qhov txiav ntev ntawm koj cov xaim kub yuav tsum yog yam tsawg kawg ntawm tag nrho qhov dav ntawm lub tsom iav, piv txwv li 300mm.
Yog tias ib nrab ntawm qhov ua kom pom kev ua tiav, ua tib zoo tshem tawm cov qauv thiab kho lawv mus rau ib nrab ntxiv. Txiav tawm ua npuas ncauj, tshem cov qauv thiab koj ua tiav nrog cov theem no.
Ob peb lo lus ntawm kev ua thiab siv lub tshuab txiav hlau:
Kuv tau ua ib qho yooj yim heev ntawm ob peb daim ntoo seem, qee cov hlau thiab ib txoj hlua E los ntawm hluav taws xob guitar (.009 ntsuas, yog tias kuv nco qab kom raug). Qhov tsis yooj yim yog nrhiav lub zog tsim nyog. Yog tias koj tsis muaj kev nkag mus rau lub rooj zaum hauv lub chaw tso khoom siv hluav taws xob, koj yuav tsum tau sim seb lub zog siv hluav taws xob twg yuav muab qhov ntsuas kub rau koj. Cov tib neeg hauv lub vev xaib zoo li tau ua tiav nrog ntau hom phab ntsa-warts lossis roj teeb. Txoj hauv kev zoo tshaj plaws uas kuv tau pom nyob ib puag ncig yog siv LiPo roj teeb nrog txhuam nrawm tswj thiab siv lub ntsuas tes ntsuas. Tsis txhob siv roj teeb LiPo yam tsis muaj tus tswj ceev tshwj tsis yog koj paub kiag tias koj tab tom ua dab tsi, lawv yuav ua rau koj tawg!
Nov yog daim vis dis aus zoo heev uas piav qhia txhua yam kom ntxaws.
Kauj Ruam 7: Ua kom pom qhov pom kev
Txawm hais tias UV-hluav taws xob yog ib feem ntawm lub teeb pom kev uas nyob ib puag ncig peb, nws cov khoom sib txawv heev los ntawm cov pom pom. Ib daim iav uas ua haujlwm rau pom lub teeb yuav tsis ua haujlwm rau UV txhua. Aluminium, txawm li cas los xij, paub tias muaj kev cuam tshuam zoo hauv UV spectrum. Yog li no, qhov no yog qhov peb yuav siv los npog lub tsom iav.
Kuv siv daim kab xev alum plumbers, uas yog ib qho yooj yim siv thiab ua haujlwm raws li tshaj tawm (piv txwv li nws qhia txog UV tawg), tab sis tus nqi me ntsis (txog $ 10 ib yob). Yog tias koj nyob ntawm pob nyiaj siv nruj me ntsis koj yuav tau txais tam sim nrog chav ua noj txhuas ntawv ci, tab sis kuv yuav qhia tawm tsam nws, tsuas yog vim kuv xav tias nws yuav ua rau muaj mob loj hauv lub nroog nroog kom sim ua cov khoom tawg. Tsis tas li, daim kab xev plambers yog tus kheej nplaum, uas ua rau koj mob taub hau ntawm kev nrhiav qee yam kua nplaum uas yuav tsis yaj ua npuas dej uas lub tsom iav tau tsim los ntawm.
Kauj Ruam 8: Mount Fixtures
Tam sim no koj tuaj yeem thaum kawg teeb lub teeb rau hauv cov khoom siv. Yog lawm, koj teeb lub teeb ua ntej koj lo cov khoom sib txuas rau lub tsom iav. Qhov no yog vim nws yooj yim dua los kho cov teeb kom nyob rau hauv kev tsom mus rau ntawm lub teeb pom kev zoo, dua li yam tsis tau teeb lub teeb.
Tam sim no ntu no tseem ceeb:
Qhov ua kom pom tseeb ntawm lub teeb pom kev zoo yog raws nraim 12 hli saum toj qhov tob tshaj plaws ntawm qhov pom kev, yog li qhov nruab nrab ntawm koj cov raj UV yuav tsum nyob ze li sai tau rau qhov ua kom pom tseeb. Tsis tas li nco ntsoov tias lub teeb pom kev zoo tsis yog ib qho parabola tiag tiag, tab sis ob qho sib tshooj ib qho, hloov pauv, vim tias koj lub teeb UV muaj ob lub raj sib dhos.
Kauj Ruam 9: Txuas kab
Nrog txhua lub teeb nyob hauv qhov chaw koj tuaj yeem xaim txhua yam thiab nce lub zog hluav taws xob hauv qhov chaw koj tau txiav ua ntej. Txuas cov xov hlau rau cov teeb pom kev zoo thiab nco ntsoov ua kom zoo tiv thaiv txhua lub ntsiab lus uas nqa lub hwj chim lossis hluav taws xob siab.
Tua nws rau kev sim thiab yog tias txhua yam ua haujlwm, txuas mus rau theem kawg.
Kauj ruam 10: Mounting thiab Calibration
Rau kev sib koom ua ke thiab homogenization cuam tshuam ntawm cov tsom iav ua haujlwm kom raug, koj xav tau kev nrug deb li ntawm 40cm nruab nrab ntawm ntug ntawm koj lub tsom iav thiab koj lub dav hlau raug. Kuv pom nws yooj yim tshaj plaws los nthuav tawm lub hauv qab ntawm lub txee thiab muaj kuv lub dav hlau nthuav tawm ntawm lwm lub txee hauv qab nws.
Txhawm rau tuav koj li PCB thiab kos duab rau ntawm qhov chaw koj tuaj yeem siv daim iav (zoo dua ob qhov txuas ua ke) lossis lub rooj nqus tsev/hnab (nyob deb qhov kev daws teeb meem zoo tshaj). Kuv ua cov khoom nyoos heev (tab sis ua haujlwm) lub tshuab nqus tsev tawm ntawm lub hnab ntim lub tub yees nruab nrab, ib daim yas yas thiab me ntsis kua nplaum kub. Xev daim duab kos rau koj lub rooj tsavxwm, muab tso rau hauv lub hnab, txuas nws rau qee yam nqus (muaj cov thoob dej yug ntses pheej yig uas tuaj yeem hloov kho, loj (> = 50ml) koob txhaj tshuaj yuav ua haujlwm, ib yam, lossis, yog tias txhua yam ua tsis tau, lo lub qhov dej hauv koj lub qhov ncauj thiab nqus nws:))
Kho: Kuv pom tias lub raj mis 60ml thiab lub clamp los ntawm lub khw txhim kho hauv tsev ua lub tshuab nqus tsev zoo tshaj plaws. Saib daim duab!
Txawm li cas los xij, ua ntej koj tuaj yeem siv koj tus neeg nthuav tawm, koj yuav tsum ntsuas nws, yog li koj paub ntev npaum li cas nthuav tawm. Kuv paub ob txoj hauv kev ua qhov no thiab tsuas yog ib qho ntawm lawv tuaj yeem ua tiav yam tsis tas yuav yuav khoom ntxiv, yog li qhov no yuav yog qhov kuv yuav tham txog ntawm no.
Kuv tau ua me ntsis (tiag tiag, nws yog qhov me me!) Pawg thawj coj uas yog lub rooj nrog "txee" hauv ib kem thiab kab zauv ntawm kev txo qhov dav hauv lwm qhov. Tom qab ua kom sov qhov nthuav tawm rau ~ 10 feeb (koj yuav tsum ua qhov no txhua lub sijhawm koj xav nthuav tawm lub rooj tsavxwm, kom tau txais txiaj ntsig zoo ib yam) koj pib nthuav tawm lub rooj tsavxwm nrog txhua tab sis "10 feeb" kab npog los ntawm qee yam tsis zoo (piv txwv li yas daim npav khoom plig, tsuas yog xyuas kom nws tsis pom kev tiag!). Tom qab ib feeb koj rub daim npav me ntsis los nthuav qhia "9 feeb" kab, thiab ntxiv rau. Tom qab nthuav tawm cia lub rooj tsavxwm zaum hauv qhov chaw txias txias rau ob peb feeb (5-30) thiab txhim kho nws li qub. Txawm tias tsis tau kos lub rooj tsavxwm, koj yuav tsum muaj daim duab ntaus pob ntev npaum li cas koj yuav tsum nthuav tawm koj cov laug cam rau qhov ua tau zoo tshaj plaws. Nov yog daim duab ntawm qhov raug nthuav tawm thiab tsim cov kab yuav tsum zoo li cas.
Lwm txoj hauv kev los ua qhov no yog siv Stouffer Scale raws li tau piav qhia ntawm no.
Kauj Ruam 11: Xaus thiab Txais Kev Pom Zoo
Thaum lub Hoobkas ua PCBs yog nkag tau yooj yim dua puas tau, tseem muaj ob peb lub niches qhov twg DIY yog qhov ua tau. Tsuas yog xav txog tias koj xav tau lub rooj tsav xwm ua tam sim no, lossis tsuas yog ib qho, tab sis ib qho loj, lossis ntau qhov rov ua dua lub rooj tsav xwm tuaj yeem hla thaum lub sijhawm txhim kho. Hauv cov xwm txheej zoo li no, muaj 10 cov laug cam ua txhua lub sijhawm koj xav tau ib tus tuaj yeem kim me ntsis, tsis hais txog yuav tsum tau tos +4 lub lis piam kom lawv tuaj txog ntawm koj lub qhov rooj.
Tsis tas li, muaj ntau txoj hauv kev xaiv los ua PCBs hauv tsev, suav nrog kev tshem tawm ib leeg thiab hloov pauv toner, tab sis cov txheej txheem ib txwm muaj (kev siv tshuaj tua kab mob), ua kom tau qhov txiaj ntsig zoo tshaj plaws.
Kev nthuav tawm hauv cov lus qhia no yog ua raws qhov hnyav ntawm UV qhov tau piav qhia ntawm no, tab sis lawv cov qauv tsim tseem yog kaum npaug kim dua los tsim dua li qhov no. Ib yam uas lawv tsim muaj, tab sis kuv tseem tsis tau ntxiv yog daim phiaj sib dhos, feem ntau vim tias lub tshuab txiav laser ntawm peb lub chaw tsim khoom hauv cheeb tsam tau tawg rau lub lis piam, yog li kuv tsis tuaj yeem ua ib qho. Kuv yuav ntxiv ib qho ntxiv tom qab thiab tshaj tawm cov txiaj ntsig, tab sis tam sim no kuv zoo siab heev nrog cov txiaj ntsig ntawm qhov kev tsim khoom pheej yig no.
Lwm qhov zoo ntawm kev tshoov siab yog ntau yam yeeb yaj kiab thiab cov lus qhia los ntawm David Windestål ci ntsa iab dhau ntawm rcexplorer.se. Tus txiv neej no muaj qee qhov txuj ci vwm tiag tiag!
Yog tias koj muaj lus pom, kho lossis lwm yam, thov tawm tswv yim. Yog tias koj txaus siab rau kuv lwm txoj haujlwm, koj tuaj yeem tshawb xyuas kuv qhov blog.
Kauj Ruam 12: Kev Ntsuas Ntau Ntxiv thiab Cov txiaj ntsig hauv ntiaj teb tiag
Thawj qhov ntsuas ntsuas lub rooj tsim qauv kuv tau ua yog qhov nrawm thiab qias neeg kuv tau ua yam tsis xav ntau txog nws. Tab sis kuv xav nrhiav seb kuv qhov kev nthuav tawm tshiab muaj peev xwm li cas, yog li kuv tau txhim kho ib qho, lub sijhawm no nrog plaub pab pawg ntawm cov kab ntsug, 7, 6, 5, thiab 4 mil nrog raws qhov chaw. Nco ntsoov tias kev tshaj tawm 5/5mil daws teeb meem yog los ntawm thawj qhov kev xav thiab kev tsim qauv tinker, uas muaj daim phiaj sib koom ua ke. Raws li cov duab qhia, daim phiaj no tsis zoo li yuav tsum tau ua kom tiav 5/5mil.
Kho:
Kuv tau ua lwm qhov kev ntsuas ntsuas lub rooj tsim qauv, uas kuv tau nthuav tawm ntawm zaj duab xis, kom ib zaug thiab rau txhua tus paub tias yog dab tsi. Zoo, tam sim no kuv paub. Txawm tias muaj duab thaij duab tiag 5/5 lab yog qhov zoo tshaj plaws uas ua tau tiav. 4/4mil ua haujlwm, tab sis nyob rau theem ntawd txhua qhov me me ntawm cov teeb meem av, thiab kuv lub tsev sim tshuaj tsuas yog tsis huv txaus. Nws tsis zoo li kuv ib txwm siv txhua yam me dua 10mil lawm (tshwj tsis yog qee qhov hneev taw, pom tseeb), txawm tias thaum kuv muaj kuv cov laug cam ua hauv lub hoobkas.
Yog li, kuv puas zoo siab tias qhov no tshwm sim li cas? Koj twv kuv yog! Ib chav kis tsawg dua 30 Euros uas muaj peev xwm ntawm 5/5mil cov yam ntxwv (thiab hauv kev xav txawm tias ntau dua), qhov teeb meem tsuas yog qhov nws tsis zoo ib yam li cov thawv tshiab LED zoo nkauj, txhua tus tab tom tsim tam sim no. Tab sis tsis muaj qhov tsis ntseeg ntau pheej yig dua!
Pom zoo:
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Kev Hloov Kho Lub Hwj Huam Siv Pheej Yig EBay Qhov Chaw: Hauv phau ntawv qhia no peb tab tom tsim kho lub zog hloov kho kom pheej yig los pab peb ua haujlwm rau peb cov phiaj xwm arduino, qhov ntau tshaj ntawm cov khoom siv hluav taws xob raws li cov tuam txhab tsim khoom uas peb siv yuav tsum nyob ib puag ncig 60W. Tus nqi ntawm qhov haujlwm yuav tsum yog
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