Cov txheej txheem:
- Kauj ruam 1: Saib Video
- Kauj Ruam 2: Sau Cov Cuab Yeej, Tshawb Xyuas Cov Ntsiab Lus, Nyeem Phau Ntawv Qhia, thiab Tshawb Xyuas Txhua Qhov
- Kauj Ruam 3: Ntxuav PCB thiab Mount Nws
- Kauj Ruam 4: Npaj Cov Hlau Rauv
- Kauj Ruam 5: Ua Ntej Pib: Tsis-polarized Vs Polarized Cheebtsam
- Kauj Ruam 6: Ua raws Phau Ntawv Qhia Kev Pom Zoo Ua Ntej Ua Ntej
- Kauj Ruam 7: Txhim Kho Thawj Cheeb Tsam: Hloov
- Kauj Ruam 8: Nruab Tus Xov Tooj Antenna
- Kauj Ruam 9: Txhim Kho Lub Ntsej Muag Hais Lus
- Kauj Ruam 10: Nruab lub Potentiometers
- Kauj Ruam 11: Kev teeb tsa "Khoos Phib Tawj" Qhov Chaw Ua tiav
- Kauj Ruam 12: Nruab Thawj Tus Capacitor
- Kauj Ruam 13: Hloov cov Leads thiab Nruab Thawj Transistor
- Kauj Ruam 14: Hloov Cov Thawj Coj thiab Txhim Kho Thawj Tus Tiv Thaiv
- Kauj Ruam 15: Txhim Kho Thawj Circuit Court (IC)
- Kauj Ruam 16: Ob Qhov Sib Txawv Ntawm Cov Ceramic Lim
- Kauj Ruam 17: Ua tib zoo xuab zeb Tarnished Leads
- Kauj Ruam 18: Ua ntu zus, Ntxuav Tawm Dej
- Kauj Ruam 19: Nruab Thawj Cov Hluav Taws Xob Hluav Taws Xob
- Kauj Ruam 20: Nruab Crystal
- Kauj ruam 21: Nruab Diode
- Kauj Ruam 22: Ua Mus Ntxiv Kom tiav, Tom qab ntawd Txheeb Ob Zaug Txhua Qhov
- Kauj Ruam 23: Hloov Lub Roj Teeb Ntev dua
- Kauj Ruam 24: Teem Tus Oscillator Hauv Zos
- Kauj Ruam 25: Txuas tus kav hlau txais xov thiab tus hais lus, Tom qab ntawd Nrhiav Chaw Nres Tsheb
- Kauj Ruam 26: Txuas cov pob qhov rooj thiab taw ib ntus
Video: Tsim Tus Neeg Txais Ham Los Ntawm Cov Khoom Siv Hluav Taws Xob: Siv lub Ramsey FR146 2 Meter FM Kit: 27 Cov Kauj Ruam (nrog Duab)
2024 Tus sau: John Day | [email protected]. Kawg hloov kho: 2024-01-30 09:30
Sib sau cov xov tooj cua - los ntawm kev ntim khoom mus rau kev ua haujlwm. Kev tsim kho yuav tsum tau siv cov khoom siv hluav taws xob yooj yim, suav nrog cov khoom sib txuas thiab cov transistors, thiab kho cov oscillator hauv zos. Suav nrog ntau yam kev qhia thiab cov lus qhia, nrog rau cov txheej txheem ua kom yooj yim.
Lub hom phiaj ntawm qhov kev xa tawm no yog los ua kom pom qhov sib dhos hauv tshuab hluav taws xob. Ib qho piv txwv ntawm txhua qhov kev teeb tsa kev teeb tsa tau nthuav tawm kom txo qis rov ua dua. Tsis muaj kev ntseeg txhua tus muaj lawv tus kheej txoj hauv kev ua txhua yam, tab sis kuv vam tias yuav muaj qee yam muaj txiaj ntsig zoo rau koj ntawm no.
Kauj ruam 1: Saib Video
Kauj Ruam 2: Sau Cov Cuab Yeej, Tshawb Xyuas Cov Ntsiab Lus, Nyeem Phau Ntawv Qhia, thiab Tshawb Xyuas Txhua Qhov
Ua ntej pib, xyuas kom koj muaj txhua yam cuab yeej tsim nyog thiab khoom siv. Hauv qhov no, cov hauv qab no muaj txiaj ntsig:
- Soldering hlau - txhua yam ntawm 25W thiab 60W yuav tsum ua.
- Cov hlau txiav, qee zaum hu ua sab txiav lossis dikes.
- Koob-qhov ntswg pliers.
- Ib "tes thib peb", txhawb lwm tus lossis qee yam zoo li muaj txiaj ntsig, tab sis tsis tseem ceeb.
- Solder kom phim txoj haujlwm-ua rau cov haujlwm tsis yog ROHS, tsis muaj hmoov txhuas. Nco ntsoov tias nws TSIS yog cov kua qaub kua qaub.
- Isopropyl cawv los yog sib npaug, rau kev ntxuav tawm cov dej ntws tawm.
- Cov paj rwb los yog ntaub so ntswg.
- Txhuam txhuam hniav qub tseem muaj txiaj ntsig ib yam. Tsis txhob siv nws rau koj cov hniav tom qab!
- Yog ua tau, nrhiav cov yas ntsia hlau ntsia hlau. Nws tsis yog qhov tseem ceeb, tab sis txo qis cov teeb meem muaj peev xwm.
Thawj kauj ruam hauv kev tsim kho: nyeem phau ntawv qhia los ntawm npog rau npog! Tom qab ntawv, khaws txhua ntu kom ntseeg tau tias koj muaj txhua yam ua ntej pib.
Kauj Ruam 3: Ntxuav PCB thiab Mount Nws
Siv cawv thiab ntaub so ntswg los yog paj rwb los so tsuas yog sab tooj liab ntawm PCB. Tsis txhob ntxuav cov khoom ib sab, vim tias cov duab kos thiab cov lus dab neeg yuav raug tshem tawm. Yog tias koj muaj tes thib peb lossis txhawb nqa lwm tus, nce lub rooj tsavxwm hauv nws.
Kauj Ruam 4: Npaj Cov Hlau Rauv
Nrog daim txhuam cev ntub dej (tsis ntub), ntxuav qhov ntxig ntawm cov hlau kub kub thaum siv cov tshuaj txhuam tshiab rau nws. Qhov no yog hu ua "tinning" cov hlau. Nws ua rau neater thiab ntau txhim khu kev qha cov pob qij txha. Saib daim vis dis aus kom pom li cas.
Kauj Ruam 5: Ua Ntej Pib: Tsis-polarized Vs Polarized Cheebtsam
Qee cov khoom siv hluav taws xob tsis yog polarized, uas yog, nws tsis yog qhov tseem ceeb uas lawv tau teeb tsa. Hauv thawj daim duab saum toj no, qee qhov tsis sib thooj tau pom: ib qho siv lead ua, ob peb ntawm cov khoom siv hluav taws xob, thiab tiv thaiv.
Qee lub Cheebtsam yog polarized. Lawv yog cov rhiab rau kev taw qhia. Yog tias lawv tau teeb tsa rov qab, qhov haujlwm ua haujlwm yuav tsis ua haujlwm raug, thiab ib feem yuav raug puas tsuaj. Daim duab thib ob qhia txog cov khoom zoo li no - peb qhov sib txuas ua ke (ICs), lub tshuab hluav taws xob hluav taws xob, lub tshuab hluav taws xob, thiab lub diode.
Kauj Ruam 6: Ua raws Phau Ntawv Qhia Kev Pom Zoo Ua Ntej Ua Ntej
Yog tias phau ntawv qhia txog kev tsim ua ntu zus, ua raws nws kom raug. Yog tsis yog, qhov kev txiav txim raug yog:
- Cov khoom siv kho tshuab, xws li hloov pauv, qhov (socket), lub zog loj, thiab lwm yam.
- Resistors
- Coils thiab inductors (nyob ntawm qhov tsis muaj zog ntawm cov khoom siv, cov no yuav raug teeb tsa tom qab)
- Tej hub capacitors
- Lwm cov capacitors, tsis suav nrog electrolytics
- Electrolytic capacitors
- Diodes thiab transistors
- Cov kev sib txuas ua ke
Qee zaum kev teeb tsa pawg thawj coj lossis lwm yam kev txwv yuam kev sib txawv.
Kauj Ruam 7: Txhim Kho Thawj Cheeb Tsam: Hloov
Kev hloov pauv yog thawj cov khoom siv sib txuas ntawm txoj haujlwm no. Txawm hais tias nws yuav nyuaj rau ntxig rov qab, nws yeej tsis mob siab rau ob-kos. Tom qab txhua ntu raug teeb tsa, txheeb xyuas cov kab laug sab laug thiab lwm yam tsis xws luag (pins tsis zoo, thiab lwm yam).
Kauj Ruam 8: Nruab Tus Xov Tooj Antenna
Cov kav hlau txais xov thiab cov zoo li feem ntau muaj cov tab ntxiv rau txuas ruaj khov rau lub rooj tsavxwm. Xyuas kom lawv tau zoo soldered (tab sis tsis "poob dej" hauv cov laug).
Kauj Ruam 9: Txhim Kho Lub Ntsej Muag Hais Lus
Raws li ntu no raug rau kev nyuaj siab ntawm lub tshuab (zoo li lub kav hlau txais xov), xyuas kom lub qhov (socket) hais lus tau zoo txuas rau lub rooj tsavxwm. Lub qhov (socket) tshwj xeeb no muaj cov hlua ntev. Tom qab siv cov laug, siv cov xaim txiav kom txiav qhov ntev tshaj.
Kauj Ruam 10: Nruab lub Potentiometers
Muaj peb lub "lauj kaub" ntawm txoj haujlwm no. Cov no ib yam muaj cov cim tab tseem ceeb. Solder lawv zoo.
Kauj Ruam 11: Kev teeb tsa "Khoos Phib Tawj" Qhov Chaw Ua tiav
Kauj Ruam 12: Nruab Thawj Tus Capacitor
Hauv qhov xwm txheej no, phau ntawv qhia meej txog cov khoom siv hluav taws xob ua ntej. Ib txwm ua raws phau ntawv qhia kev qhia. Cov khoom siv hluav taws xob tsis muaj qhov sib txawv, yog li kev taw qhia tsis tseem ceeb. Txawm li cas los xij, nws tau txiav txim siab ua kom raug ntsej muag cov lus dab neeg lossis cim lub cev tag nrho hauv tib txoj kev. Thaum ua tiav cov hlau lead, tshem tawm qhov tshaj nrog cov hlau txiav.
Kauj Ruam 13: Hloov cov Leads thiab Nruab Thawj Transistor
Feem ntau, cov ceg transistor yuav tsum tau khoov lossis hloov pauv kom haum rau hauv qhov yog ntawm PCB. Nov yog qhov zoo tshaj plaws los saib cov vis dis aus kom pom li cas. Lub transistor yog ib feem polarized. Txoj kev twg hauv nruab nrab txhais ceg yog khoov txiav txim siab qhov kev taw qhia ntawm pawg thawj coj saib. Yog li saib xyuas kom khoov nws kom raug. Transistors tuaj yeem ua rau kub cev, yog li tsis txhob siv sijhawm ntau dua li tsim nyog siv cov ceg.
Kauj Ruam 14: Hloov Cov Thawj Coj thiab Txhim Kho Thawj Tus Tiv Thaiv
Resistor lead feem ntau yuav tsum tau khoov kom haum rau hauv lub rooj tsavxwm. Ntawm no kuv tab tom siv tus qauv, tab sis ib rab koob ntawm lub qhov ntswg ua haujlwm ib yam nkaus.
Tus tiv thaiv yog ib feem uas tsis yog polarized, yog li nws txoj kev taw qhia tsis tseem ceeb. Txawm li cas los xij, zoo ib yam li cov khoom siv hluav taws xob, nws tau txiav txim siab ua kom lub "kam rau ua" kab txaij ntawm cov resistors taw rau hauv tib txoj kev (piv txwv li txhua yam mus rau sab xis). Yog tias koj tsis paub cov lej xim, phau ntawv txhais lus feem ntau piav qhia lawv, thiab muaj ntau yam peev txheej hauv online.
Kauj Ruam 15: Txhim Kho Thawj Circuit Court (IC)
ICs yog cov ntu sib txawv thiab yuav tsum tau teeb tsa nrog kev qhia raug. Feem ntau muaj qhov thais ntawm ib kawg rau lub hom phiaj no.
Qee zaum ob txhais ceg ntawm IC yuav tsum tau khoov sab hauv kom haum rau qhov sib dhos PCB qhov. Yog tias tsim nyog, ua tib zoo ua tib zoo los ntawm kev tso ob txhais ceg ntawm ib sab ntawm IC nqis rau ntawm qhov chaw tiaj thiab thov maj. Rov ua dua rau ob txhais ceg ntawm lwm sab.
Nws tuaj yeem ua tau txawv txav los txhawm rau IC thiab khaws nws nyob hauv tib lub sijhawm. Yog tias yog, daim kab xev nplaum lo qhia hauv daim vis dis aus ua haujlwm tau zoo. Yog tias IC ntog tom qab siv thawj ceg, rov ua dua lub lauj kaub ntawm lub ceg ntawd thaum nias lub cev IC mus rau PCB.
Zoo li cov transistors, ICs tuaj yeem ua kom sov sov, yog li tsis txhob siv lub sijhawm ntev dua qhov tsim nyog (thaum tib lub sijhawm kom ntseeg tau cov khoom sib txuas zoo).
Kauj Ruam 16: Ob Qhov Sib Txawv Ntawm Cov Ceramic Lim
Hauv txoj haujlwm no, siv ob lub lim dej ceramic. Ib qho tsis yog polarized (hauv thawj daim duab), hos lwm qhov yog (daim duab thib ob). Lub tom kawg tsis tuaj yeem teeb tsa tsis raug vim nws qhov asymmetrical tus pin teeb tsa.
Kauj Ruam 17: Ua tib zoo xuab zeb Tarnished Leads
Yog tias muaj cov hlau lead ua rau tsis zoo, cov laug yuav tsis ua zoo. Kev maj mam txhuam tuaj yeem nqa ob txhais ceg kom ua tiav qhov ci. Hauv daim duab saum toj no, xuab zeb yog qhov tsim nyog rau RF kauj.
Kauj Ruam 18: Ua ntu zus, Ntxuav Tawm Dej
Txhua txhua tam sim no thiab tom qab ntawd, ntxuav cov khoom sib txuas ntawm cov laug cam. Tsis tsuas yog qhov tshwm sim no ua rau pom zoo dua qub, ntws tuaj yeem tuav tus txhuam hniav thiab cov tawg uas yuav ua rau PCB luv luv ua ke. Tsis tas li, dhau sijhawm, cov dej ntws tuaj yeem nqus dej noo - tsis yog qhov zoo rau PCBs.
Kauj Ruam 19: Nruab Thawj Cov Hluav Taws Xob Hluav Taws Xob
Electrolytic capacitors yog polarized, yog li kev taw qhia tseem ceeb. Hnub no, feem ntau cov electrolytic capacitors txheeb xyuas lawv cov ceg tsis zoo nrog '-'. Txawm li cas los xij cov PCBs txheeb xyuas qhov twg ntawm cov ceg zoo yuav tsum mus, cim ua '+'. Hauv qhov xwm txheej no, yooj yim ntxig tus ceg tsis zoo rau hauv lub qhov TSIS cim "+".
Kauj Ruam 20: Nruab Crystal
Crystals feem ntau tsis yog polarized. Txawm li cas los xij, lawv tuaj yeem ua cov tshuab yooj yim.
Kauj ruam 21: Nruab Diode
Diodes yog polarized. Nco tseg cov kab txaij ntawm lub cev hauv thawj daim duab, thiab xyuas kom nws tau ntxig raws li qhia los ntawm daim duab ntawm PCB (daim duab thib ob). Zoo li transistors thiab ICs, tsis txhob kub lawv ntau dua qhov tsim nyog.
Kauj Ruam 22: Ua Mus Ntxiv Kom tiav, Tom qab ntawd Txheeb Ob Zaug Txhua Qhov
Thaum sib dhos ua tiav, nws yog ib qho tseem ceeb los tshuaj xyuas kom zoo rau cov pob qij txha qhuav thiab cov choj txuas. Ib qho kev sib txuas zoo yog qhov ci thiab txuas tau zoo rau ob qho hlau xaim thiab PCB taug qab (tsis yog pob). Ib qho khoom siv sib txuas qhuav yog feem ntau npub lossis tawg. Cov hlau txuas txuas yog cov txhuam hniav - lossis hlau txawm tias - tus choj tooj liab taug qab qhov twg yuav tsum tsis muaj kev sib txuas. Reflow ib qho tsis zoo los yog qhuav cov pob qij txha, thiab tshem tawm cov txhuam los yog cov khoom ntawm cov xaim tsis raug.
Nws tseem yog ib qho tseem ceeb kom mus dhau thiab txheeb xyuas qhov kev taw qhia thiab tso rau txhua qhov kev tivthaiv. Peb txhua tus yog tib neeg thiab nws yooj yim heev rau nruab ib feem rov qab lossis hauv qhov chaw tsis raug!
Kauj Ruam 23: Hloov Lub Roj Teeb Ntev dua
Hauv txoj haujlwm no, Kuv txiav txim siab hloov tus thawj PM3 9V roj teeb clip nrog 6xAA roj teeb pob. Thaum kawg, txoj haujlwm no yuav raug tiv thaiv los ntawm lub thaiv thiab kuv npaj yuav tawm hauv chav txaus rau AA pob. Nrog kev hloov pauv, Kuv yuav tsum tau ua haujlwm ntev dua ua ntej xav hloov lub roj teeb. Cov roj teeb pob ntawm no muaj lub PM3 txuas, yog li tsis muaj qhov txuas ntxiv lossis hloov pauv txuas yog qhov tsim nyog.
Kauj Ruam 24: Teem Tus Oscillator Hauv Zos
Tus oscillator hauv zos ntawm lub xov tooj cua no ua haujlwm ntawm 10.7 MHz siab dua qhov tau txais. Cov qhab kis rau 2 meters khiav ntawm 144 MHz txog 148 MHz. Yog li thaum lub xov tooj nyob ntawm nws qhov nruab nrab, qhov tau txais yog 146 MHz thiab oscillator hauv zos yuav tsum khiav ntawm 146 + 10.7 MHz, uas yog 156.7 MHz. Phau ntawv piav qhia ntxiv yog tias kuv cov lus piav qhia ntawm no tsis pom kev.
Ib txoj hauv kev yooj yim heev ntawm kev sib dhos yog nrog lub tshuab luam ntawv tig mus rau 156.7 MHz tso rau sab xis ntawm lub rooj tsav xwm tshiab. Thov lub zog rau lub rooj tsav xwm tshiab thiab teeb tsa lub suab hu rau nws qhov nruab nrab. Kho lub hauv paus oscillator kauj lub tuning slug (nyiam dua nrog cov yas sib dhos ntswj ntsia hlau) kom txog thaum muaj lub suab nrov nrov los ntawm lub tshuab luam ntawv. Txij ntawm no mus, cov oscillator hauv zos tau sib koom ua ke.
Lub tshuab luam ntawv tsis yog qhov tseem ceeb, tab sis nws ua kom yooj yim dua. Yog tias koj tsis muaj, ua raws phau ntawv txheej txheem.
Muaj lwm qhov hloov pauv tau ntawm lub rooj tsavxwm no. Nws yuav tsum tau hloov kho kom ua tiav cov qib tso zis (ntim) - txheej txheem yooj yim heev. Ua raws phau ntawv kom paub meej ntxiv.
Yog ua tau, zam kev siv tus ntsia hlau hlau. Tsis yog tsuas yog cov hlau cuam tshuam rau kev kho dua - ua rau nws nyuaj rau kho tus neeg txais khoom - nws tseem tuaj yeem ua rau cov ferrite slugs puas yog siv lub zog ntau dhau.
Kauj Ruam 25: Txuas tus kav hlau txais xov thiab tus hais lus, Tom qab ntawd Nrhiav Chaw Nres Tsheb
Yog tias txhua yam tau mus zoo, tseem tshuav me ntsis ntxiv los ua qhov sib txuas ntawm lub kav hlau txais xov thiab tus hais lus rau tus txais mint. Tig lub ntim thiab nyem nyem, tom qab ntawd yos hav zoov rau lub chaw nres tsheb nrog lub suab hu!
Kauj Ruam 26: Txuas cov pob qhov rooj thiab taw ib ntus
Txog rau tam sim no, Kuv tab tom siv ko taw ib ntus kom txog thaum kuv ua lub thaiv. Tsis tas li, kuv tau txuas cov pob qhov rooj kom ua rau tus txais tau yooj yim rau kev khiav lag luam.
Pom zoo:
Cov Hluav Taws Xob Hluav Taws Xob Hluav Taws Xob Hluav Taws Xob Igniter: 6 Kauj Ruam (nrog Duab)
Cov Hluav Taws Xob Bluetooth Hluav Taws Xob Igniter: Puas yog nws zoo rau taws ntau dua ib lub foob pob hluav taws tib lub sijhawm? Lossis txawm tias muaj kev nyab xeeb nyob deb rau qhov phom sij txaus ntshai. Hauv qhov haujlwm no kuv yuav qhia koj yuav tsim lub Circuit Court uas tuaj yeem ua tau li cas nrog kev pab ntawm Bluetooth ua haujlwm
Yuav Ua Li Cas Tswj DC Gear Motor los ntawm Kev Siv 160A Txhuam Cov Hluav Taws Xob Hluav Taws Xob Hluav Taws Xob thiab Servo Tester: 3 Cov Kauj Ruam
Yuav Ua Li Cas Tswj DC Gear Motor los ntawm Kev Siv 160A Txhuam Cov Hluav Taws Xob Hluav Taws Xob thiab Cov Kev Pabcuam Servo: Kev Qhia Tshwj Xeeb: Voltage: 2-3S Lipo lossis 6-9 NiMH Nruam tam sim no: 35A Tam sim no tawg: 160A BEC: 5V / 1A, tawm qauv: 1. pem hauv ntej & thim rov qab; 2. mus &nres; 3. rau pem hauv ntej & nres & thim rov qab: 34g Loj: 42*28*17mm
Ib Leeg Hluav Taws Xob Hluav Taws Xob / Hluav Taws Xob Hluav Taws Xob: 6 Cov Kauj Ruam
Ib Leeg Hluav Taws Xob Hluav Taws Xob Hluav Taws Xob / Hluav Taws Xob Hluav Taws Xob: Hauv qhov haujlwm no peb tab tom ua kom muaj Ib lub kauj induction lub cev Muaj zog, thiab ntau yam piav qhia ntxiv, cov qauv ntawm lub tshuab hluav taws xob no tau siv ntau yam khoom siv tam sim no. Peb lub cav tsis muaj lub zog loj, nws yog ntau ntxiv txog kev ua haujlwm
Cov Hluav Taws Xob Hluav Taws Xob: Qhib Cov Khoom Siv Hluav Taws Xob Kawm: 8 Kauj Ruam (nrog Duab)
Cov Hluav Taws Xob Hluav Taws Xob: Qhib Cov Khoom Siv Hluav Taws Xob Hluav Taws Xob: Kev kawm thiab kev lag luam hauv tsev yog dej nyab nrog cov khoom siv hluav taws xob hloov pauv 'kev kawm' cov qauv tsim los qhia menyuam thiab cov neeg laus lub ntsiab lus STEM thiab STEAM. Cov khoom lag luam xws li LittleBits lossis Snapcircuits zoo li ua rau txhua qhov khoom plig hnub so qhia lossis niam txiv blog
Yuav Ua Li Cas Siv Cov Hluav Taws Xob Hluav Taws Xob Hluav Taws Xob Hluav Taws Xob Module: 6 Kauj Ruam
Yuav Ua Li Cas Siv Cov Hluav Taws Xob Hluav Taws Xob Hluav Taws Xob Hluav Taws Xob Module: Nco tseg thiab ceev faj: CFL muaj cov mercury uas yog cov khoom phom sij, yog li nws yuav tsum tau ua raws li feem ntau CFL cov teeb, hluav taws xob hluav taws xob tau ua haujlwm zoo thiab tseem siv tau, tsuas yog lub teeb mus tsis zoo. CFL Circuit Court ntawm 18-24 Watts yog