Cov txheej txheem:
Video: Pawg Neeg Saib Xyuas Kev Txhim Kho AVR: 3 Kauj Ruam
2024 Tus sau: John Day | [email protected]. Kawg hloov kho: 2024-01-30 09:27
Hauv is taws nem muaj cov haujlwm nrog Arduino. Rau ib pliag cov ntaub ntawv hais txog ATMEGA328 microcontroller ploj lawm hauv txhua cov ntaub ntawv Arduino. Qhov Kev Tshawb Fawb no xav rov ua haujlwm pib qhov yuav tsim cov phiaj xwm siv AVR microcontrollers yam tsis muaj Arduino, tshwj xeeb yog ATMEGA328.
Nws yog pawg tswj hwm kev txhim kho yooj yim rau cov hais microcontroler. Kuv npe nws: Claudino.
Hauv qhov project, cov ntaub ntawv, yog:
1 x ATMEGA328
1 tx7805
1 x DC fais fab tuag
1x Push-khawm
1 x LED
2 x 0.1 uF Capacitor
1 x 10 uF Capacitor
1 x 330 ohm Resistor
1x 10 k ohm Resistor
1x 1 N4001 diode
Qee tus pin taub hau thiab header
Kauj Ruam 1: Tsim Circuit Court
Txog qhov kev qhia no, Kuv siv software Eagle ntawm Autodesk. Cov coftware no yog lub tswv yim muaj zog thiab tus tsim qauv nrog ntau yam khoom siv los pab rau hauv cov txheej txheem no. Kuv siv cov ntaub ntawv hais txog qhov tsawg kawg nkaus uas muaj nyob hauv AMEGA328 cov ntawv teev tseg. Hauv pawg thawj coj, kuv siv tus pinhead los sawv cev rau lub taub hau rau GPIO thiab tib tus pinhead txuas rau ISP programmer thiab chaw pabcuam ntxiv rau sab nrauv.
Rau kev noj zaub mov ntawm lub rooj tsavxwm Kuv siv DC chim lub thoob thiab LM7805 tus tswj kom muaj 5v tsim nyog hauv microcontroller. Pawg thawj coj suav nrog rov pib thawb-khawm thiab cov xwm txheej LED.
Yuav luag txhua qhov kev tsim qauv tau muab tso rau hauv qab lub ntsej muag ntawm pawg thawj coj, siv tsuas yog jumper nyob rau sab saum toj.
Kauj ruam 2:
Ua ntej tshaj plaws, nws yog kuv thawj zaug siv cov txheej txheem kua qaub los ua PCB's, lwm lub sijhawm kuv siv CNC zeb hauv kuv lub tsev kawm ntawv, tab sis tsis yog txhua lub sijhawm muaj rau cov tub ntxhais kawm. Tam sim no kuv siv cov txheej txheem kua qaub vim tias kuv tsis muaj lwm lub PCB zeb zeb muaj.
Thawj kauj ruam yog luam tawm lub ntsej muag hauv qab ntawm lub rooj tsavxwm hauv ib daim ntawv (siv lub tshuab ua kom zoo dua qub), tom qab ntawd, cov tooj liab tooj liab tau muab tso nrog lub ntsej muag tooj liab nrog rau cov ntawv luam tawm thiab raug kho nrog daim kab xev, thiab tom qab ntawd yog lub sijhawm rau ironing nrog cov hlau (tau kawg) nrog lub hom phiaj kom sov lub ntsej muag tooj liab. Tos kaum feeb thiab txiav tawm daim ntawv ntawm lub rooj tsavxwm, koj yuav pom lub tonner hauv tooj liab. Txiav tag nrho cov ntawv uas seem thiab ntxuav nrog dej txias.
Tam sim no yog kauj ruam txaus ntshai. Koj yuav tsum siv hnab looj hnab looj tes ob sab, hnab looj tes tiv thaiv kev nyab xeeb, thiab koj yuav tsum ua nws nyob rau qhov chaw tsis zoo. Hauv lub khob yas lossis iav ntim ob feem ntawm ferric chloride thiab ib feem ntawm dej. Muab lub rooj tsavxwm sab hauv sib tov thiab tos kom tsuas muaj cov tooj liab. Ntxuav lub rooj tsavxwm nrog dej txias ntau thiab ceev faj kom txuag tau cov kua qaub.
Thaum lub rooj tsavxwm huv, tam sim no koj tuaj yeem tshem lub rooj tsavxwm qub thiab ua rau lub laum. Ceev faj nrog cov tooj liab.
Kauj Ruam 3: Solder thiab Bla Bla Bla
Nrog lub multimeter, soj ntsuam txuas ntxiv ntawm cov ntsiab lus sib txawv ntawm txoj kab tooj liab. Kauj ruam kawg yog txhawm rau txhuam cov khoom siv ntawm lub rooj tsavxwm. Tej zaum nws yog cov kauj ruam tseem ceeb tshaj plaws hauv tus txheej txheem. vim lub rooj tsavxwm tam sim no ua tiav. Tam sim no koj tuaj yeem siv tus cim rau tso cov ntawv lo rau ntawm lub rooj tsavxwm, thiab koj tuaj yeem sau npe lub rooj tsavxwm raws li koj xav tau.
Tsis ntev, kuv yuav qhia koj li cas nws ua haujlwm nrog ntau qhov haujlwm me me thiab loj AVR. Lub phiaj xwm yuav paub nrog koj nyiam software thiab kho vajtse, zoo li avrdude nrog USBasp lossis ib yam dab tsi.
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