Yuav Ua Li Cas Ua Breadboard Fais Fab Khoom: 7 Kauj Ruam

2024 Tus sau: John Day | [email protected]. Kawg hloov kho: 2024-01-30 09:28

Chav tsev siv hluav taws xob yog cov cuab yeej siv feem ntau siv los ntawm cov kws tshaj lij thaum lub sijhawm txhim kho. Kuv tus kheej siv nws ntau heev thaum sim nrog kuv cov qauv tsim hluav taws xob ntawm Breadboard lossis ua kom lub zog yooj yim dua. Feem ntau ntawm cov kab hluav taws xob digital lossis cov kab hluav taws xob sib txuas muaj cov txheej txheem ua haujlwm ntawm 5V lossis 3.3V, yog li kuv txiav txim siab tsim lub zog siv hluav taws xob uas tuaj yeem muab 5V/3.3V ntawm lub zog hluav taws xob ntawm lub khob cij thiab haum zoo rau ntawm lub khob cij.

Lub hwj chim ua tiav yuav tsim los ntawm PCB siv EasyEDA. Lub Circuit Court siv 7805 txhawm rau muab 5V thiab LM317 los muab 3.3V nrog qhov ntsuas tam sim no siab tshaj plaws ntawm 1.5A uas siab txaus rau qhov siv rau digital IC's thiab Microcontroller circuits. Yog li cia peb pib….

Cov Ntaub Ntawv Yuav Tsum Tau

• LM317 Kev Hloov Tus Kheej Voltage Regulator
• 7805
• DC Barrel Jack
• 330ohm thiab 560 ohm Resistor
• 0.1 thiab 1uF capacitor
• LED Teeb
• Txiv neej Bergstik

Kauj Ruam 1: Daim duab Circuit Court

Txhawm rau nkag siab yooj yim hauv Circuit, nws tau muab faib ua plaub ntu. Sab saum toj sab laug thiab Hauv qab sab laug yog 5V tus tswj hwm thiab 3.3V tus tswj hwm feem. Sab saum toj sab xis thiab hauv qab txoj cai yog lub taub hau ntawm qhov peb tuaj yeem tau txais 5V lossis 3.3V raws li qhov xav tau los ntawm kev hloov txoj haujlwm ntawm lub jumper.

Rau cov tib neeg uas tshiab rau daim ntawv lo, nws tsuas yog cov xov tooj cua virtual uas tau siv hauv daim duab qhia chaw rau kev ua kom zoo dua thiab nkag siab yooj yim. Hauv kab lus saum toj no cov npe +12V, +5V thiab +3.3V yog cov ntawv lo. Txhua ob qhov chaw uas sau +12v daim ntawv lo tau txuas nrog los ntawm xaim, tib yam siv tau rau lwm ob daim ntawv lo +5V thiab +3.3V ib yam.

Kauj Ruam 2: +5V Tswj Circuit

Peb tau siv 7805 Qhov ntsuas hluav taws xob zoo kom tau txais kev tswj hwm +5V cov khoom siv. Cov tswv yim ntawm IC yog los ntawm 12V Adapter pub nkag los ntawm DC chim Jack. Txhawm rau tshem tawm ripples peb tau siv 1uF capacitor hauv ntu ntu nkag thiab 0.1uF capacitor ntawm ntu tso tawm. Kev tswj +5V tso zis hluav taws xob tuaj yeem tau txais rau tus pin 3. Nrog cov cua sov kom raug peb tuaj yeem tau txais ib puag ncig 1.5A daim ntawv 7805 IC.

Kauj Ruam 3: +3.3V Tus Tswj Hluav Taws Xob

Ib yam li kom tau txais +3.3V peb tau siv Tus Qauv Hloov pauv hloov pauv LM317. LM317 yog tus ntsuas hluav taws xob hloov pauv uas siv qhov hluav taws xob nkag ntawm 12V thiab muab qhov hluav taws xob tso tawm ntawm 3.3V. Cov zis hluav taws xob Vout yog nyob ntawm qhov ntsuas sab nraud sab nraud R1 thiab R2, raws li cov kab zauv hauv qab no:

Vout = 1.25*(1+ (R2/R1))

Tus nqi pom zoo rau R1 yog 240Ω tab sis nws kuj tseem tuaj yeem muaj qee qhov nqi ntawm 100Ω txog 1000Ω. Peb tuaj yeem siv lub laij lej online no los laij cov txiaj ntsig ntawm R1 thiab R2, Kuv tau tsau tus nqi R1 kom yog 330R thiab tus nqi tso tawm hluav taws xob kom yog 3.3V. Tom qab nias lub laij lej kuv tau txais cov txiaj ntsig hauv qab no.

Txij li thaum peb tsis muaj 541.19 ohm resistor peb tau siv qhov txiaj ntsig zoo tshaj plaws uas yog 560 ohm. Peb kuj tau ntxiv LED los ntawm lwm 560 ohm resistor uas yuav ua raws li lub zog ntsuas.

Tso lub taub hau pins:

Hauv ob qhov thaiv saum toj no peb tau tswj hwm +5V thiab +3.3V tsim lub 12V qhov chaw. Tam sim no peb yuav tsum muab qhov kev xaiv rau tus neeg siv xaiv ntawm +5V qhov hluav taws xob lossis +3.3V qhov hluav taws xob raws li tus neeg siv xav tau. Txhawm rau ua qhov ntawd peb tau siv txiv neej lub taub hau taub hau nrog cov dhia. Tus neeg siv tuaj yeem hloov lub jumper los xaiv ntawm +5V thiab +3.3V qhov ntsuas hluav taws xob. Peb kuj tseem tau tso lwm tus pin lub taub hau rau hauv qab ntawm PCB kom peb tuaj yeem rub nws ncaj qha rau saum Breadboard.

Kauj Ruam 4: PCB Tsim Siv EasyEDA

Txhawm rau tsim lub Rooj Mov Mov no lub hwj huam mov, peb tau xaiv EDA cov cuab yeej online hu ua EasyEDA. Kuv tau siv yav dhau los EasyEDA ntau zaus thiab pom nws yooj yim heev rau siv txij li nws tau sau cov hneev taw zoo thiab nws tau qhib-qhov chaw. Tom qab tsim PCB, peb tuaj yeem xaj cov qauv PCB los ntawm lawv cov kev pabcuam PCB tsim nqi. Lawv kuj tseem muab cov kev pabcuam tiv thaiv qhov chaw uas lawv muaj cov khoom lag luam loj thiab cov neeg siv tuaj yeem xaj lawv cov khoom xav tau nrog rau PCB xaj.

Thaum tsim koj li Circuit Court thiab PCBs, koj tseem tuaj yeem ua rau koj lub Circuit Court thiab PCB tsim rau pej xeem kom lwm tus neeg tuaj yeem luam lossis hloov kho lawv thiab tuaj yeem tau txais txiaj ntsig los ntawm koj txoj haujlwm, peb kuj tau ua peb tag nrho Circuit thiab PCB teeb tsa pej xeem rau hauv Circuit Court no, txheeb xyuas qhov txuas hauv qab no:

easyeda.com/circuitdigest/breadboard-power-supply-circuit

Koj tuaj yeem saib ib txheej (Sab saum toj, Hauv qab, Topsilk, Bottomsilk thiab lwm yam) ntawm PCB los ntawm kev xaiv txheej txheej 'Layers' Window.

Koj kuj tseem tuaj yeem saib PCB, yuav ua li cas nws yuav saib xyuas tom qab tsim khoom siv khawm Pom Duab hauv EasyEDA:

Kauj Ruam 5: Xam thiab xaj Cov Qauv Online

Tom qab ua tiav qhov kev tsim qauv ntawm lub Cij no pawg thawj coj saib fais fab PCB, koj tuaj yeem xaj PCB los ntawm JLCPCB.com. Txhawm rau xaj PCB los ntawm JLCPCB, koj xav tau Gerber File. Txhawm rau rub tawm Gerber cov ntaub ntawv ntawm koj li PCB tsuas yog nyem rau Tsim Tsim Cov Ntaub Ntawv khawm ntawm EasyEDA tus kho nplooj ntawv, tom qab ntawd rub tawm Gerber cov ntaub ntawv los ntawm qhov ntawd lossis koj tuaj yeem nyem rau xaj ntawm JLCPCB. Qhov no yuav xa koj mus rau JLCPCB.com, qhov uas koj tuaj yeem xaiv tus lej PCBs koj xav xaj, pes tsawg tooj liab txheej koj xav tau, PCB tuab, hnyav tooj liab, thiab txawm tias xim PCB.

Tam sim no mus rau JLCPCB.com thiab nyem rau ntawm Tam Sim No lossis Yuav Tam Sim No khawm, tom qab ntawd koj tuaj yeem xaiv tus lej PCBs koj xav xaj, pes tsawg tooj liab txheej koj xav tau, PCB tuab, hnyav tooj liab, thiab txawm tias xim PCB.

Tom qab koj tau xaiv tag nrho cov kev xaiv, nyem "Tseg rau Lub Laub" thiab tom qab ntawd koj yuav raug coj mus rau nplooj ntawv uas koj tuaj yeem xa koj cov ntaub ntawv Gerber uas peb tau rub los ntawm EasyEDA. Rub tawm koj cov ntaub ntawv Gerber thiab nyem "Tseg rau Lub Laub". Thiab thaum kawg nyem rau ntawm Checkout Ruaj Ntseg kom ua tiav koj daim ntawv xaj, tom qab ntawd koj yuav tau txais koj li PCBs ob peb hnub tom qab. Lawv tab tom tsim PCB ntawm tus nqi qis heev uas yog $ 2. Lawv lub sijhawm tsim kuj tseem tsawg heev uas yog 48 teev nrog DHL xa khoom ntawm 3-5 hnub, qhov tseem ceeb koj yuav tau txais koj li PCBs hauv ib lub lis piam ntawm kev xaj khoom.

Tom qab xaj PCB, koj tuaj yeem tshawb xyuas qhov kev nce qib ntawm koj li PCB nrog hnub thiab sijhawm. Koj txheeb xyuas nws los ntawm kev mus rau nplooj ntawv Nyiaj Txiag thiab nyem rau ntawm "Kev Ua Haujlwm Zoo" txuas hauv qab PCB zoo li.

Tom qab ob peb hnub ntawm kev xaj PCB's Kuv tau txais cov qauv PCB hauv ntim zoo raws li qhia hauv cov duab txuas.

Thiab tom qab tau txais cov khoom no kuv tau muab tag nrho cov khoom xav tau hla PCB.

Kauj Ruam 6: Ua haujlwm ntawm Breadboard Fais Fab Muab Hluav Taws Xob

Tom qab sib sau ua ke koj lub PCB kom ntseeg tau tias tsis muaj qhov txias txias thiab tshem tawm txhua qhov ntws tawm ntawm koj lub rooj tsavxwm. Txhim kho lub rooj tsavxwm saum koj lub rooj noj mov thiab nws yuav tsum zaum ntawm ob lub zog ntawm koj lub rooj noj mov, tam sim no siv 12V adapter los Hwj chim rau koj lub rooj tsavxwm hla DC jack thiab koj yuav tsum pom lub zog LED (ntawm no xim dawb) tig rau. Tom qab ntawd, koj tuaj yeem teeb lub jumper rau sab 5V lossis sab 3.3V siv cov ntaub ntawv silkscreen. Nco ntsoov tias koj siv cov dhia dhia lwm tus peb yuav tsis tau txais qhov hluav taws xob ntawm qhov tso tawm sab.

Hauv cov duab saum toj no kuv tau tso lub jumper los muab +5V thiab ntsuas tib yam siv cov ntsuas ntsuas uas tseem qhia txog 4.97V uas ze txaus. Ib yam li koj tseem tuaj yeem tshawb xyuas ntawm 3.3V. Kev ua tiav thiab kev sim ntawm txoj haujlwm tseem muaj nyob hauv video thaum kawg.

Tam sim no, koj tuaj yeem siv lub rooj tsav xwm no txhawm rau ua kom tag nrho koj cov khoom siv hluav taws xob yav tom ntej ntawm koj lub khob cij nrog 5V lossis 3.3V. Vam tias koj nkag siab qhov phiaj xwm thiab nyiam tsim nws yog tias koj muaj teeb meem hauv kev ua haujlwm koj tuaj yeem tshaj tawm nws hauv kab lus lossis koj tuaj yeem siv peb cov rooj sib tham rau kev nug ntau ntxiv.