Cov txheej txheem:
- Kauj ruam 1: Schematic
- Kauj Ruam 2: PCB Txheej Txheem
- Kauj ruam 3: Sib dhos
- Kauj Ruam 4: Hloov Suab nrov: Tus Pin 9
- Kauj Ruam 5: Hloov Suab nrov: Pin 10
- Kauj Ruam 6: Hloov Suab nrov: Tus Pin 11
- Kauj Ruam 7: Hloov Suab nrov: Tus Pin 12
- Kauj Ruam 8: Hloov Suab nrov: Tus Pin 13
- Kauj Ruam 9: Tsim Pawg Thawj Coj Tshwj Xeeb Tshiab Siv Peb Cov Qauv Tsim Kho
- Kauj ruam 10: Schematic
- Kauj ruam 11: Pawg Txheej Txheem
- Kauj Ruam 12: Sib dhos
Video: Golden Arduino Board: 12 Kauj Ruam
2024 Tus sau: John Day | [email protected]. Kawg hloov kho: 2024-01-30 09:26
Lub Hom Phiaj
Lub hom phiaj ntawm pawg thawj coj no yog kom muaj lub luag haujlwm zoo ib yam li Arduino Uno, tab sis nrog txhim kho cov yam ntxwv tsim. Nws yuav suav nrog cov yam ntxwv tsim los txo cov suab nrov xws li kev txhim kho kev hloov pauv thiab txiav cov khoom siv hluav taws xob. Peb yuav khaws tus qauv Arduino board tus pin hneev taw hneev taw kom nws sib xws nrog cov ntaub thaiv npog; txawm li cas los xij, kab ntawm cov pins rov qab yuav raug ntxiv sab nraud ntawm cov hneev taw no txhawm rau txhim kho pawg thawj coj los ntawm kev txo qis kev sib tham tham rau cov teeb liab tawm ntawm lub rooj tsavxwm. Ib qho ntxiv, 16 MHz siv lead ua yuav siv rau lub moos system tsis siv lub tshuab resonator los ua kom lub moos raug thiab ruaj khov
Pob Nyiaj Txiag
Lub zog tawm tswv yim yuav zoo ib yam li qhov yuav tsum tau ua kom muaj zog rau Arduino Uno. Qhov pom zoo ntau ntawm cov tswv yim hluav taws xob yog 7 txog 12 volts. Yog tias muab nrog tsawg dua 7 V, tus pin 5 V tso tawm tuaj yeem muab qis dua tsib volts thiab pawg thawj coj yuav dhau los tsis ruaj khov. Yog tias siv ntau dua 12 V, tus tswj qhov hluav taws xob tuaj yeem ua kom sov thiab ua rau lub rooj tsavxwm puas tsuaj. Atmega 328 yuav siv 5 V hloov ntawm 3.3 V kom muaj lub moos ceev tshaj plaws.
Kev Tswj Xyuas Kev Ruaj Ntseg
Tau txais cov khoom tsis raug yog qhov muaj peev xwm txaus ntshai uas tuaj yeem txo los ntawm kev xaj khoom ntxiv.
Miss-orienting IC chips zoo li Atmega 328 tuaj yeem ua rau muaj kev sib txuas tsis raug rau tus pin. Peb yuav tshuaj xyuas qhov kev qhia kom raug ua ntej yuav muab nws tso rau hauv.
Cov tshuab kev nyuab siab tso rau ntawm cov pins tso tawm tuaj yeem ua txhaum kev sib txuas. Peb yuav siv los ntawm lub qhov nce kom ntseeg tau tias qhov no tsis tshwm sim.
Thaum soldering muaj peev xwm rau cov khoom siv sib txuas txias. Peb tuaj yeem txo qhov no los ntawm kev tshuaj xyuas txhua qhov txuas tom qab kev sib koom ua ke.
Txheeb cais qhov chaw mus rau ntawm lub rooj tsavxwm tuaj yeem nyuaj.
Kev suav nrog cov ntaub ntawv qhia ntxaws ntxaij yuav ua rau qhov no yooj yim dua.
Npaj Txoj Kev Npaj:
Cov hloov pauv yuav raug muab cais cais pawg thawj coj ntawm pawg subcircuits thiab tso cai rau peb sib sau ua ke thiab ntsuas cov khoom ntawm pawg thawj coj saib ib zaug thiab xyuas kom txhua daim ua haujlwm tau zoo ua ntej txav mus thiab sib sau ua ke ntawm cov npua.
Kauj ruam 1: Schematic
Cov txheej txheem tau tsim los ntawm kev hais txog qhov qhib qhov Arduino Uno cov duab thiab hloov kho nws txhawm rau txhim kho lub teeb liab ncaj ncees.
Kauj Ruam 2: PCB Txheej Txheem
Kauj ruam 3: Sib dhos
Peb pib sib sau ua ke PCB nrog cov decoupling capacitors thiab Fuses.
Tom qab ntawd peb tau siv lub tshuab fais fab thiab ESD diode nti. ESD tiv thaiv nti yog qhov nyuaj rau cov laug vim qhov me me nti loj thiab cov pawm me me, tab sis peb ua tiav kev sib dhos tiav.
Peb tau ntsib qhov teeb meem uas peb pawg thawj coj tsis rov pib dua, tab sis qhov ntawd yog vim tias peb lub pob tau ua rau muaj kev sib cuag tsis zoo. Tom qab nias lub pob nrog qee qhov quab yuam, nws tau rov qab mus rau lub xeev ua haujlwm thiab ua haujlwm zoo li qub
Kauj Ruam 4: Hloov Suab nrov: Tus Pin 9
Nov yog ob daim duab uas hloov suab nrov los ntawm koob 9-13 tau muab piv. Kev txhaj tshuaj ntsuab ntsuab sawv cev rau pawg tswj hwm kev lag luam, kev txhaj tshuaj tiv thaiv daj sawv cev rau peb hauv pawg thawj coj hauv tsev, thiab cov cim xiav sawv cev ua rau pom cov cim kom tau txais kev huv, zoo ib yam scopeshot.
Nws nyuaj rau pom daim ntawv lo rau ntawm qhov kev txhaj tshuaj, tab sis pawg thawj coj ua lag luam (ntsuab) muaj lub ncov mus rau qhov siab tshaj plaws hloov suab nrov txog li plaub volts. Peb lub Rooj Tswjhwm Saib Hauv Tsev muaj suab nrov hloov pauv ntawm kwv yees li ob volts. Qhov no yog 50% txo qis hauv kev hloov suab nrov ntawm tus pin 9.
Kauj Ruam 5: Hloov Suab nrov: Pin 10
Ntawm tus pin 10, lub suab nrov hloov pauv ntawm lub rooj tsav xwm kev lag luam yog ntau dua plaub qhov hluav taws xob. Nws tau zaum ntawm kwv yees li 4.2 volts ncov mus rau qhov siab. Ntawm peb lub rooj tsav xwm hauv tsev, lub suab nrov hloov pauv tsuas yog siab dua ob volts ncov mus rau qhov siab. Qhov no yog kwv yees li 50% txo hauv kev hloov suab nrov.
Kauj Ruam 6: Hloov Suab nrov: Tus Pin 11
Ntawm tus pin 11 ntawm lub rooj tsav xwm kev lag luam, lub suab nrov hloov pauv ntawm qhov siab-rau-qis yog li 800 mV thiab lub suab qis-rau-siab hloov pauv yog li 900 mV. Ntawm peb lub rooj tsav xwm hauv tsev, suab nrov hloov pauv ntawm qhov siab-rau-qis yog li 800 mV thiab peb lub suab nrov hloov pauv ntawm qis-rau-siab yog kwv yees li 200mV. Peb txo qis qis-rau-siab hloov lub suab nrov, tab sis tsis cuam tshuam rau lub suab hloov pauv mus rau qis.
Kauj Ruam 7: Hloov Suab nrov: Tus Pin 12
Ntawm tus pin 12, peb tau siv qhov hloov pauv IO txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau ua lag luam thiab hauv pawg thawj coj hauv tsev. Hauv pawg thawj coj ua lag luam, lub suab nrov hloov pauv yog li 700mV ncov mus rau qhov siab thiab pawg thawj coj hauv tsev muaj qhov siab tshaj plaws txog 150mV. Qhov no yog kwv yees li 20% txo qis suab nrov.
Kauj Ruam 8: Hloov Suab nrov: Tus Pin 13
Ntawm tus pin 13, pawg thawj coj saib kev lag luam qhia pom lub suab nrov hloov ntawm plaub volts ncov mus rau qhov siab thiab peb hauv pawg thawj coj hauv tsev qhia me me kom tsis txhob hloov suab nrov. Qhov no yog qhov sib txawv loj heev thiab yog qhov ua rau kev ua koob tsheej
Kauj Ruam 9: Tsim Pawg Thawj Coj Tshwj Xeeb Tshiab Siv Peb Cov Qauv Tsim Kho
Lub hom phiaj ntawm pawg thawj coj no yog txhawm rau nthuav dav rau peb lub Rooj Tswjhwm Saib Golden Arduino, nrog txhim kho cov yam ntxwv tsim thiab ntxiv cov khoom siv xws li hloov xim LEDs thiab lub plawv dhia ntsuas. Nws yuav suav nrog cov yam ntxwv tsim los txo cov suab nrov xws li kev txhim kho txoj hauv kev, siv 2 txheej txheej PCB ntxiv los ua nws pawg 4-txheej, thiab txiav tawm cov khoom siv ib puag ncig ntawm lub hwj chim ntsia thiab hloov I/Os. Txhawm rau tsim lub plawv dhia ntsuas peb yuav siv lub photodiode tso nruab nrab ntawm ob lub LEDs, uas yuav ntsuas lub teeb pom kev tawm ntawm cov ntshav hauv tus ntiv tes uas tau muab tso rau ntawm lub plawv dhia ntsuas. Ib qho ntxiv, peb yuav suav nrog ib tus zuj zus LEDs tuaj yeem tswj tau ntawm I2C.
Lub zog tawm tswv yim yuav zoo ib yam li qhov yuav tsum tau ua kom muaj zog rau Arduino Uno. Qhov pom zoo ntau ntawm cov tswv yim hluav taws xob yog 7 txog 12 volts. Yog tias muab nrog tsawg dua 7 V, tus pin 5 V tso tawm tuaj yeem muab qis dua tsib volts thiab pawg thawj coj yuav dhau los tsis ruaj khov. Yog tias siv ntau dua 12 V, tus tswj qhov hluav taws xob tuaj yeem ua kom sov thiab ua rau lub rooj tsavxwm puas tsuaj. Atmega 328 yuav siv 5 V hloov ntawm 3.3 V kom muaj lub moos ceev tshaj plaws.
Kauj ruam 10: Schematic
Kauj ruam 11: Pawg Txheej Txheem
Lub hwj chim txheej Ncuav thiab Txheej Txheej Hauv Hauv Ncuav kom pom cov cim. Thaum lub rooj tsavxwm no tau tsim, USB hneev taw tau ua tiav rov qab los ntawm kev sib tsoo. Nws yuav tsum tau tig kom lub cable tuaj yeem ntsaws kom raug.
Kauj Ruam 12: Sib dhos
Cov duab tsis tau coj hauv txhua kauj ruam, tab sis daim duab hauv qab no qhia txog qhov kawg coj los ntawm pawg thawj coj. Lub taub hau taub hau tsis tau ntxiv raws li lub luag haujlwm tseem ceeb ntawm pawg thawj coj no yog ntxiv LEDs thiab ADC. Qhov chaw nres nkoj USB yuav tsum tau tig mus rau qhov kev coj rov qab kom lub xov tooj tsis xav tau hla lub rooj tsavxwm.
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