Cov txheej txheem:
- Kauj Ruam 1: Sib Sau Ib puag ncig Qee Yam Khoom
- Kauj Ruam 2: Soldering Voltage Regulator thiab Capacitor
- Kauj Ruam 3: Txheeb Tawm Cov Xov
- Kauj Ruam 4: Rho Tawm Txhua Yam
- Kauj ruam 5: Nrog koj zoo siab
Video: 5V Mini Portable Power Supply: 5 Kauj Ruam (nrog Duab)
2024 Tus sau: John Day | [email protected]. Kawg hloov kho: 2024-01-30 09:29
Peb txhua tus uas tau muaj keeb kwm nrog tinkering thiab hluav taws xob, tau ntsib teeb meem ntau zaus. Qhov teeb meem ntawm kev txhawb nqa 5V cov phiaj xwm! Txij li tsis muaj ib yam khoom xws li 5V roj teeb hauv kev ua lag luam ib txwm muaj thiab txhawb nqa cov haujlwm uas siv roj teeb 9V yuav muaj kev pheej hmoo. Qhov kev daws teeb meem nkaus xwb peb yuav tsum muaj cov teeb meem no yog ntxiv 5V tus tswj hwm hauv peb txhua qhov haujlwm. Tab sis qhov ntawd kim dhau thiab txaus siab thiab ua rau muaj teeb meem thaum twg peb tes num peb yuav tsum ua yog qhov nyuaj. Yog li txhawm rau daws qhov teeb meem no, kuv nthuav qhia rau koj qhov no "5V Mini Portable Power Supply". Nws yog raws li kev siv roj teeb 9V (uas yooj yim muaj rau txhua tus neeg) uas ua rau nws zoo rau kev siv dav. Txij li tag nrho txoj haujlwm tau ua ntawm 9V lub roj teeb clip, yog li nws yog qhov loj ib yam li koj li 9V roj teeb lub cim. Yog li muab cov phiaj xwm yuav zoo ib yam li yog tias koj tab tom ua lub zog los ntawm 9V roj teeb thiab lub roj teeb clip. Txawm li cas los xij, hauv qhov xwm txheej no lub roj teeb tsuas yog muab 5V vim qhov teeb tsa hluav taws xob nyob hauv txoj haujlwm.
Qhov ntawd yog txhua yam rau kev qhia. Yog li tsis muaj ado ntxiv, cia pib ua nws!
Kauj Ruam 1: Sib Sau Ib puag ncig Qee Yam Khoom
Txoj haujlwm no yog ua raws "ntu jellybean" (muaj yooj yim) yog li ntawd tej zaum koj yuav muaj cov khoom no ua ntej. Cov cheebtsam xav tau rau txoj haujlwm no yog raws li hauv qab no:
- A 9V Roj Teeb Clip
- Thaum Tshav Kub Kub Shrink Tube (1.5-2cm)
- A 5V Voltage Regulator (LM7805)
- Lub Lim Lim Capacitor
- Ib co xaim.
Txij li thaum kuv tau rov ua dua tshiab, Kuv tau nyiam khaws cov roj teeb los ntawm lwm lub roj teeb tuag. Rau lub raj cua sov ntsws, thov nco ntsoov tias nws yuav tsum yooj yim npog cov clip nrog rau tus tswj. Qhov lim dej tuaj yeem yog ib qho hluav taws xob hluav taws xob raws li kev siv. Kuv yuav siv kuv 100uF SMD capacitors rau lub hom phiaj no.
Kauj Ruam 2: Soldering Voltage Regulator thiab Capacitor
Txhawm rau ua kom txoj haujlwm me me, kuv tau ua txhua yam ntawm qhov clip nws tus kheej. Yog li tus tswj hwm kuj yuav tsum tau muab tso rau ntawm daim clip. Nws tuaj yeem ua tiav los ntawm ua raws cov theem hauv qab no:
- Khaws lub 9V roj teeb clip thiab txiav cov phaj hlau uas tawm los ntawm nws. Tam sim no koj yuav tsum tau tshuav nrog tsuas yog lub roj teeb 9V. Ntxiv cov dej ntws mus rau lawv thiab tom qab ntawd ntxiv cov tshuaj txhuam rau lawv.
- Hauv koj qhov ntsuas hluav taws xob (LM7805), yuav tsum muaj 3 tus pin, ib nrab (PIN-2) yog GND lossis tus pin tsis zoo. Tshem tus pin ntawd. Qhov no tau ua los tiv thaiv kom luv ntawm cov koob.
- Tom qab ua tiav, xuab zeb lossis khawb rau sab saum toj phaj ntawm LM7805 siv ib qho ntawm koj cov cuab yeej. Kuv tau siv daim ntawv xuab zeb los ua li ntawd. Khawb los yog khawb nws kom txog thaum koj tuaj yeem pom tooj liab ci. Ntawm no, yog vim li cas vim li cas peb thiaj ua qhov no yog vim phaj saum kuj tseem yog tus pin GND.
- Tam sim no tias tooj liab ntawm lub phaj sab saum toj raug nthuav tawm, muab nws txuas rau lub cathode ntawm lub roj teeb. Ceev faj ntawm no vim hais tias lub polarity ntawm lub roj teeb clip thiab ib qho 9V roj teeb yog rov qab. Yog li solder tus tswj qhov hluav taws xob ua qhov no hauv siab.
- Solder tus pin sab laug lossis tus lej PIN-1 (raws li tus pin teeb tsa saum toj no) rau qhov anode ntawm qhov clip.
Lim Capacitor:
Nqa cov lim dej lim thiab tso nws nrog LM7805. Tom qab ntawd, muab tshuaj txhuam qhov anode ntawm lub capacitor rau PIN-3 thiab cathode mus rau GND phaj ntawm LM7805.
Kauj Ruam 3: Txheeb Tawm Cov Xov
Tam sim no txhua qhov kev siv hluav taws xob tau ua tiav thiab txhua yam uas tshuav yog kos tawm cov xov hlau rau muab 5V tso tawm los ntawm roj teeb. Qhov no tuaj yeem ua tiav los ntawm kev siv cov xaim txuas ncaj qha mus rau GND phaj thiab PIN-3 ntawm LM7805. PIN-3 yuav yog +5V thiab GND phaj yuav yog GND.
Tam sim no txhua yam tau ua tiav, koj tuaj yeem sim yog tias koj tau txais 5V tso tawm los ntawm cov xov hlau uas tau siv ntau lub ntsuas. Tom qab koj tau ua tiav qhov kev sim nws, mus rau qib tom ntej, uas yog ib feem insulating.
Kauj Ruam 4: Rho Tawm Txhua Yam
Rau insulating tag nrho cov teeb tsa, thawb koj cov cua sov ntsws raj nce qhov clip thiab tom qab nws tau muab tso rau hauv hom phiaj, ua kom sov nws kom tiv thaiv txhua yam. Tom qab qhov ua kom tiav, ua tib zoo txiav lub raj npog rau lub dav hlau rau tso lub roj teeb.
Hauv kuv qhov xwm txheej, Kuv tsis muaj lub raj cua sov ua kom dav dua li 1cm yog li kuv yuav tsum hloov mus siv daim kab xev ua qhov kawg.
Qhov ntawd xaus cov kauj ruam no.
Kauj ruam 5: Nrog koj zoo siab
Koj tau ua tiav txoj haujlwm no thiab tuaj yeem siv nws los ua zog txhua yam uas xav tau kev tswj hwm 5V lub zog. Yog li mus tom ntej thiab ua koj cov phiaj xwm ntau dua los ntawm kev siv cov khoom siv hluav taws xob no.
Qhov ntawd yog txhua yam rau qhov kev qhia no! Yog tias koj muaj kev tsis ntseeg, thov tawm tswv yim. Tsis txhob hnov qab ua raws kuv yog tias koj nyiam cov lus qhia no.
Kuv yuav txaus siab rau nws yog tias koj txhawb nqa kuv ntawm Patreon.
Txoj Haujlwm Los Ntawm:
Utkarsh Verma
Ua tsaug rau Ashish Choudhary rau qiv nws lub koob yees duab.
Pom zoo:
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