Cov txheej txheem:
- Kauj Ruam 1: Qhov Chaw
- Kauj Ruam 2: PCB
- Kauj Ruam 3: Soldering Cheebtsam
- Kauj Ruam 4: Ua Qhov Ruaj Ntseg
- Kauj ruam 5: Xeem
Video: Ua Tus Kheej Tus Kheej: 5 Kauj Ruam
2024 Tus sau: John Day | [email protected]. Kawg hloov kho: 2024-01-30 09:31
Hauv cov lus qhia no, koj yuav kawm paub yuav ua li cas ntsuas lub ntsuas cua sov yooj yim rau hauv qab £ 10 siv ob peb yam yooj yim thiab 1 IC.
Qhov project tiav lawm yuav tsum zoo ib yam li qhov no:
Kauj Ruam 1: Qhov Chaw
Nov yog cov npe ntawm txhua ntu uas koj yuav xav tau:
-LM3914 Bargraph Display Driver (koj yuav tsum tuaj yeem tau txais ib qho ntawm no los ntawm koj lub khw hluav taws xob hauv ib cheeb tsam, thiab yog tias koj tsis tuaj yeem pom lawv online) -10 ntu LED bargraph zaub (hloov pauv koj tuaj yeem siv 10 tus neeg LEDs) -150k resistor (koj tuaj yeem ua ke ua ke tus nqi me me resistors) -2.2k resistor (koj tuaj yeem sib koom ua ke tus nqi me me resistors) -4.7k kuj sib txawv resistor (potentiometer) -470k kuj sib txawv resistor (potentiometer) -10µf electroltic capacitor (tej hub thiab polymer sawv daws tej zaum ua haujlwm ib yam nkaus) -pin DIL qhov (koj tuaj yeem siv 20-tus pin ib yam li kuv tau ua yog tias lawv tsis muaj 18-pins) -20-tus pin DIL qhov (cov no tsis yog qhov tsis txaus ntseeg, tab sis tiv thaiv IC thiab kab lus qhia los ntawm cov cua sov) -5k thermistor (cov no nyuaj me ntsis kom pom, Kuv yuav tsum khom rau 4.7k ib qho, tab sis koj tuaj yeem tau txais lawv ntawm is taws nem) -PCB (yog tias koj tuaj yeem ua ib qho, Kuv xav pom zoo nws tab sis koj tuaj yeem ua tau tsis muaj) -cov ntaub ntawv (dua, qhov no tsis yog necassary, tab sis nws ua kom tiav txoj haujlwm zoo dua. Nco ntsoov tias nws yog qhov loj me, kuv yuav tsum yuav ib qho loj dua) -PP3 roj teeb clip (cov no yooj yim txaus los nrhiav, tab sis kuv xav tias koj tuaj yeem tsuas yog txuas cov xov hlau ncaj qha mus rau lub roj teeb) -9v roj teeb (rau lub zog nws, txhua qhov chaw) muag lawv) -2 cov hloov pauv (txhua yam yuav ua, tsuav yog lawv kaw thiab qhib/tawm. Tsis tas li, cov no tsis yog qhov tseem ceeb, ib qho yog rau kev hloov pauv cov zaub los ntawm bar/dot thiab ib qho yog tig tag nrho yam tawm thiab qhib. Kuv tsuas yog siv ib qho rau lub zog) Cov cuab yeej koj yuav xav tau: -Soldering hlau -Solder -Side cutters (lossis ib yam dab tsi los txiav tawm ob txhais ceg ntxiv ntawm lub capacitor thiab resistors) -Wire strippers (lossis koj tuaj yeem siv lub tshuab txiav sab, lossis koj cov hniav) -Drill (tsuas yog xav tau yog tias koj tab tom ua lub thawv ib yam nkaus, cov lus qhia laum rov qhia dua) -Cov ntaub ntawv (kom ua kom zoo dua qhov qhov laum, yog tias koj tsis muaj ib qho uas koj tuaj yeem siv cov ntawv xuab zeb lossis tsuas yog tho nws qee qhov ntxiv) -Solder sucker (yog tias koj yuav ua yuam kev) -some daim ntawv nplaum (Kuv siv cov kua nplaum kub txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau lub rooj sib tham, hloov pauv, thiab lub ntsuas cua sov nyob hauv qhov chaw) -Screwdriver (txhawm rau kho lub zog, tshwj tsis yog tias koj tau txais cov pob qhov rooj zoo li kuv, thiab kaw qhov thaiv)
Kauj Ruam 2: PCB
Ua ntej tshaj tawm, koj yuav xav tau cov phiaj xwm los tsim nws los ntawm. Qhov thib ob yog qhov txheej txheem kuv siv, cov kab liab liab liab yog cov xov hlau. Koj tuaj yeem kos koj tus kheej PCB lossis tsuas yog txuas nrog nws siv cov xov hlau (zoo li kuv). Kuv yuav tsis pom zoo siv cov kab txaij txij li tag nrho cov Circuit Court yuav loj heev thiab siv ntau qhov kev hloov kho (althoguh Kuv tau siv kab txaij los tuav DIL qhov nyob). Txhua yam hauv qhov txheej txheem thib ob thiab thib peb twb yog txoj hauv kev ib puag ncig, yog li koj tuaj yeem tig nws ncaj mus rau hauv lub rooj sib tham hauv Circuit Court (yog tias koj xav ua ob tog ib sab, ua cov kab liab liab rau sab thib ob, xaim xaim nyob hauv ib qho thib peb).
Kauj Ruam 3: Soldering Cheebtsam
zoo, cov kauj ruam no yog qhov ncaj ncaj mus rau qhov sib txuas ua ke. Kuv yuav pib nrog cov resistors thiab lub capacitor, tom qab ntawd lub thermistor thiab lub roj teeb clip, tom qab ntawd hloov pauv thiab siv lub zog thiab IC thiab kab lus kab lus kawg. Nco ntsoov yog tias koj siv DIL qhov (socket) tso rau IC qhov tseeb thiab kab lus kab lus kawg, thiab yog tias koj tsis siv lawv, ua tib zoo xyuam xim thaum siv lub tshuab thiab tos kom nws txias ua ntej yuav siv tus pin tom ntej, vim tias lawv nkag siab zoo kom sov thiab nws tuaj yeem rhuav tshem cov xov hlau sab hauv IC, yog li tsis txhob tso cov hlau txuas rau ntawm tus pin ntau dua li 4 vib nas this, thiab tos txog 5 vib nas this ua ntej siv tus pin tom ntej. Kuv kuj tseem yuav pom zoo kom muaj cov hloov pauv thiab cov thermistor ntawm cov xov hlau kom lawv tuaj yeem ntsia tau rau ntawm lub thawv ntawv, thiab rau daim duab kab lus, koj tsuas tuaj yeem txiav lub qhov thiab lo tag nrho PCB mus rau sab saum toj ntawm lub thawv ntawv, tshwj tsis yog tias koj xav tau tiag tiag li 11 kab.
Kauj Ruam 4: Ua Qhov Ruaj Ntseg
Cov kauj ruam no yog xaiv tau vim nws tsis xav tau rau nws los ua haujlwm, tab sis nws zoo li zoo dua nyob hauv lub thawv yas ntau dua li lub rooj sib tham xoob xoob. Kuv xav kom rov hais dua qhov hloov pauv sab nraud, txhawm rau lub qhov rau qhov tsis pom qhov bargraph thiab lo tag nrho cov phiaj xwm hluav taws xob mus rau sab saum toj nrog cov zaub dhau los ntawm lub qhov, thiab teeb lub ntsuas cua nyob sab hauv, nrog qee qhov me me kom tso cua sov. kom tau mus rau lub thermistor yooj yim dua.
EDIT: Kuv nyuam qhuav tau txais ib lub thawv tshiab, thiab nws zoo li zoo tam sim no. Kuv tau txuas daim duab hauv qab no.
Kauj ruam 5: Xeem
Tam sim no, koj tuaj yeem txuas lub roj teeb 9v, kaw lub thawv ntawv, thiab qhib nws. Koj yuav tsum muaj peev xwm pom ob peb kab teeb pom kev. Yog tias tsis yog, koj yuav tsum qhib nws thiab ua si nrog lub zog ntsuas kom txog thaum nws ua tiav. Koj tuaj yeem siv lwm txoj kev hloov pauv ntawm cov khoom khov (teeb lub ntsuas kub tam sim no thiab txhua txoj hauv kev mus rau hauv qab, zoo li tus ntsuas kub ib txwm xav, lossis tsuas yog qhia 1 kab ntawm qhov ntsuas kub) tsuas yog koj ntxiv qhov hloov thib ob. Yog tias nws pom tsuas yog 1 kab thiab koj xav tau ib lub bar, koj yuav tsum ntxiv cov xov hlau los ntawm MO mus rau qhov zoo (tus lej kawg ntawm IC), lossis yog tias nws qhia tau tias muaj cov khoom khov thiab koj xav tau 1 bar, koj tuaj yeem txiav xaim ntawm MO thiab zoo.
Yog tias nws tseem tsis ua haujlwm, sim cov kab lus qhia lwm txoj hauv kev ib puag ncig. Txij li LEDs yog diodes, lawv tsuas yog tso hluav taws xob hla ib txoj hauv kev, thiab tsis zoo li cov tib neeg LEDs, kab lus kab lus qhia tsis muaj qhov qhia tau meej heev ntawm qhov muaj txiaj ntsig thiab tsis zoo. Yog tias koj tseem muaj teeb meem, tshuaj xyuas qhov zoo nkauj thiab xyuas kom txhua yam nyob hauv qhov chaw raug, tsis muaj kev tawg hauv txoj kab, lossis cov laug txuas (tshwj xeeb yog txheeb xyuas ntawm IC pins vim tias lawv nyob ze ua ke) thiab cov resistors thiab capacitor yog qhov tsim nyog, thiab lub roj teeb tshiab. Koj tseem tuaj yeem xa xov nrog kuv daim duab ntawm koj lub xov tooj cua thiab kuv tuaj yeem sim thiab pab koj nrhiav qhov teeb meem. Yog tias koj lub Circuit ua haujlwm, tom qab ntawv nrog koj zoo siab! Thov nqa qee cov duab ntawm koj qhov project tiav thiab tshaj tawm lawv hauv kab lus. Nov yog tus ntsuas cua kawg ua haujlwm (nws tsis haum rau hauv lub thawv ntawv kom raug) Txhawm rau ntsuas nws, 470k potentiometer kho qhov ntsuas kub ntau, thiab 4.7k kho qhov raug (ntau npaum li cas hloov pauv hauv qhov ntsuas kub nws yuav siv nws mus rau qhov bar) Kuv yuav qhia kom tau txais lwm tus pas ntsuas kub thiab hloov kho nws thaum nws cuam tshuam nrog cov khoom kub thiab txias kom txog thaum nws muaj qhov ncaj ncees. Kuv mus los ntawm 10-30 degrees (C) thiab raug rau txog +-2 degrees. Cov nplai nce mus txog 2 degrees rau txhua qhov bar.
Pom zoo:
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