Kev Tws 1: Txuag nyiaj
Cov Kev Ua Yuam Kev 1: Cov xim yuav tsum muaj lub teeb pom kev zoo li cas ntawm lub vaj huam sib luag xaiv? Kuv tus kheej nyiam xiav, yog li xaiv nws.
Qhov ntsuas tau zoo: Rau qhov ntsuas teeb ntawm lub khw muag khoom, liab, daj, thiab lwm yam, lawv tau tsis paub tab rau ntau caum xyoo, yog li tus nqi feem ntau tsawg dua 50 xees. Qhov ntsuas pom tau xiav tau tsim nyob hauv peb lossis plaub xyoos dhau los. Lub thev naus laus zis kom tiav thiab muab cov ruaj khov tsis zoo, yog li tus nqi yog plaub lossis tsib zaug kim dua. Yog tias koj tsim lub vaj huam sib luag plicator cov xim tsis muaj cov cai tshwj xeeb, tsis txhob xaiv xiav. Tam sim no, lub teeb taw qhia xiav feem ntau tsuas yog siv nyob rau hauv qee zaus uas tsis tuaj yeem hloov los ntawm lwm cov xim, xws li tso tawm cov cim video.
Feem ntau ua yuam kev 2: Cov rub-down / rub-up resistors tsis zoo li muaj teeb meem ntau nrog lawv cov nqi tiv taus. Tsuas yog xaiv tus lej 5k.
Qhov kev daws teeb meem zoo: Qhov tseeb, tsis muaj tus nqi tiv thaiv tsis kam ntawm 5k hauv kev ua lag luam. Qhov ze tshaj plaws yog 4.99K (qhov tseeb 1%), ua raws li yog 5.1k (qhov tseeb 5%). Tus nqi nqe yog 4 npaug siab tshaj li ntawm 4.7K nrog 20% raug. 2 zaug. Tus nqi tiv taus ntawm 20% precision tsis kam tsuas yog 1, 1.5, 2.2, 3.3, 6.8, 6.8, 6.8 hom (suav nrog cov zauv sib npaug ntawm 10); Sib sau ua ke, 20% precision capacitor kuj muaj tsuas yog qhov tseem ceeb tshaj plaws tseem ceeb. Rau kev tsim tawm thiab capacitors, yog tias koj xaiv tus nqi ntawm lwm yam li cov hom no, koj yuav tsum siv qhov tseeb dua, thiab tus nqi yog ob npaug. Yog tias qhov ua tau zoo tsis yog loj, qhov no kim heev pov tseg. Ntxiv rau, qhov zoo ntawm resistors kuj tseem ceeb heev. Qee zaum ib qho batch ntawm cov khoom tiv thaiv qis dua txaus kom rhuav tshem ib qho project. Nws raug nquahu tias koj yuav lawv nyob rau hauv cov khw muag khoom rau tus kheej xws li Lichuang Mark.
Feem ntau ua yuam kev 3: 74xx lub rooj vag pas nrig tuaj yeem siv rau cov cav no, tab sis nws yog qias neeg dhau los, yog li siv CPLD, nws zoo li ntau dua siab dua.
Qhov kev daws teeb meem zoo: 74xx lub rooj vag Circuit Court tsuas yog ob peb xees, thiab nws tsis pom zoo rau ntau zaus, nws tsis raug pom zoo rau kev tsim khoom, thiab lwm yam, thiab lwm yam. Ntxiv rau ntau zaus txoj haujlwm. Nyob rau hauv lub premise tsis cuam tshuam rau kev ua tau zoo, nws yog pom tseeb ntau dua los siv lub 74xx nrog cov nqi siab dua.
Tej yam ua txhaum 4: Tus qauv PCB yuav tsum muaj ntawm lub rooj tsavxwm no tsis siab, cia li siv cov xaim nyias nyias thiab cia li npaj nws.
Kev daws teeb meem: Tsis siv neeg siv hluav taws xob yuav siv sijhawm loj dua pcb cheeb tsam, thiab tib lub sijhawm nws yuav tsim ntau zaus vias ntau dua li kev siv hluav taws xob. Nyob rau hauv cov khoom loj loj, PCB cov tuam ntxhab muaj kev txiav txim siab tseem ceeb hauv cov kab ntawm kab dav thiab tus naj npawb ntawm cov nqe ntawm tus nqi. , Lawv feem cuam tshuam rau cov txiaj ntsig ntawm PCB thiab cov lej ntawm cov laum siv. Ib qho ntxiv, thaj chaw ntawm PCB Board kuj cuam tshuam tus nqi. Yog li ntawd, cov xaim tsis siv neeg yog khi kom muaj tus nqi ntau lawm ntawm cov Circuit Court Board.
Cov kev ua yuam kev 5: Peb cov kev cai muaj zog yog siab heev, suav nrog Mem, CPU, FPU, FPGA thiab txhua daim chips yuav tsum xaiv lub nrawm.
Kev daws teeb meem: Tsis yog txhua feem ntawm kev ua haujlwm nrawm ntawm ib qib, thiab txhua zaus siv cov teeb meem tsis zoo rau cov teeb meem kev sib raug zoo. Yog li ntawd, thaum xaiv ib nti, nws yog qhov tsim nyog los txiav txim siab txog kev siv cov khoom sib txawv ntawm cov cuab yeej, ntau dua li siv ceev tshaj plaws.
Cov kev ua yuam kev 6: Ntev npaum li qhov kev pab cuam yog ruaj khov, ntev code thiab qis dua kev ua haujlwm kuj tsis tseem ceeb.
Kev daws teeb meem: CPU nrawm thiab nco chaw yog ob qho tib si yuav nrog nyiaj. Yog tias koj siv sijhawm ob peb hnub ntxiv los txhim kho txoj kev ua haujlwm thaum sau ntawv nyiaj, ces tus nqi txuag los ntawm txo cov peev xwm CPU thiab txo qhov peev xwm nco tau muaj feem muaj txiaj ntsig. CPLD / FPGA tsim tau zoo sib xws.
