Cov txheej txheem:
- Kauj ruam 1: Tom qab
- Kauj Ruam 2: Nrhiav Lub Khw Muag Khoom Zoo
- Kauj Ruam 3: Kev Txiav Txim Qhov Teeb Meem (qhia paub, Koj tuaj yeem hla Kauj Ruam no)
- Kauj Ruam 4: Rov Tsim Dua Qhov Xauv Teeb (kev xav)
- Kauj Ruam 5: Tau Txais Cheebtsam thiab Cov Cuab Yeej
- Kauj Ruam 6: Tshaj tawm Pawg Thawj Coj
- Kauj Ruam 7: Cua Inductor
- Kauj Ruam 8: Ua Kom tiav Txoj Kev Teeb
- Kauj Ruam 9: Ua Haujlwm Pab Pawg
- Kauj Ruam 10: Xeem thiab Debugging
- Kauj Ruam 11: Nruab Ntaus (ntawm Tib Neeg)
- Kauj ruam 12: Tawm tsam
Video: EMP Khw Laub Cov Khaub Ncaws: 12 Kauj Ruam (nrog Duab)
2024 Tus sau: John Day | [email protected]. Kawg hloov kho: 2024-01-30 09:30
Puas tau pom daim kab xim daj pleev xim rau hauv qhov chaw nres tsheb ib puag ncig ntau lub khw muag khoom thiab khw muag khoom? Cov kab daj daj tso tawm lub teeb liab uas ua rau lub laub nres tsis tuag hauv lawv cov ciav hlau, tiv thaiv lub laub tawm ntawm qhov chaw nres tsheb. Tam sim no koj tuaj yeem tsim koj tus kheej cov kab daj uas nqa tau- nrog txog li 20 ko taw. Xav tau kuv hais ntxiv? Tswv yim: nws ua haujlwm sab hauv lub khw. Disclaimer: Qhov no tsis yog ib txoj haujlwm yooj yim. Nws yuav xav tau kev paub txog kev siv hluav taws xob, kev sib txuas, kev tsim vaj tsev, thiab me ntsis ntawm PIC microcontroller khoom. Lub zog loj tau koom nrog, thiab yog tias koj cuam tshuam, koj yuav raug hlawv, raug hluav taws, lossis raug ntes- feem ntau yuav yog peb leeg. Ib txwm siv qhov fuse amperage uas tsim nyog los tiv thaiv luv luv los ua qhov teeb meem loj dua. Txoj haujlwm no tseem kim heev. Cov khoom yuav raug nqi txog 65 daus las. Cov roj teeb nrog qee qhov ncaws yuav khiav 20-30 bucks, thiab PCB ib zaug yog kwv yees li 60 bucks. Lawv tau txais tus nqi pheej yig dua yog tias koj yuav ntau tus rau koj cov phooj ywg. Peb yuav zoo siab muag cov khoom siv, thiab nws yeej yuav ua rau cov khoom pheej yig dua thiab tau txais yooj yim dua, tab sis qhov tseeb, peb txhawj xeeb me ntsis txog qhov ua tau ntawm kev ua pej xeem. Peb kuj pom zoo tias tsis muaj leej twg muag cov khoom siv lag luam. Txhawm rau kom tsis qhia npe li sai tau, peb tau siv Tor. Tor yog lub network tsis qhia npe uas xa cov pob ntawv los ntawm kev sib txuas ua ke mus rau nws lub hom phiaj txhawm rau zam kev taug qab. Peb tsis yog kws lij choj, thiab leej twg paub dab tsi kws lij choj muaj peev xwm niaj hnub no, tshwj xeeb nrog cov khoom xws li DMCA thiab kev sib cav tsis ntev los no txog cov ntaub ntawv khaws tseg uas yuav tsum muaj nyob hauv EU. Nrog cov lus ceeb toom tawm ntawm txoj kev … Hauv cov lus txawj ntse ntawm Norm Abram, "Nco ntsoov nyeem, nkag siab, thiab ua raws txhua txoj cai kev nyab xeeb uas los nrog koj cov cuab yeej siv zog. Paub siv koj li cuab yeej cuab yeej kom raug yuav txo qhov kev pheej hmoo Thiab nco ntsoov qhov no: tsis muaj txoj cai tseem ceeb tshaj rau kev nyab xeeb dua li hnav cov tsom iav kev nyab xeeb. Cia peb pib ntawm txoj haujlwm niaj hnub no."
Kauj ruam 1: Tom qab
Ob lub khw muag khoom tseem ceeb tiv thaiv tub sab nyiag khoom hu ua CAPS thiab GS2. Los ntawm peb txoj kev khiav tawm, peb tau pom GS2 cov txheej txheem muaj txiaj ntsig zoo dua ntawm kev nres tsheb laij teb hauv av du. Nws kuj tseem muaj qhov ntev dua (!) Thiab ntau yam xauv xauv thiab qhib lub teeb liab. Qhov zoo tshaj plaws, nws tuaj yeem rov pib dua, lub ntsiab lus ob npaug kev lom zem thaum koj ua si "lub teeb liab/lub teeb ntsuab" nrog cov neeg tsis txaus siab.
Daim duab hauv qab no yog lub log GS2, pom tsuas yog ntawm koj lub khw muag khoom zoo.
Kauj Ruam 2: Nrhiav Lub Khw Muag Khoom Zoo
Nrhiav ib lub khw uas muaj lub laub yuav khoom nrog ib lub log txaus luag. Feem ntau nws yog lub log sab laug ntawm lub laub. Kuj tseem yuav muaj cov hlau nyob ntawm lub log sab laug tom qab kom tiv thaiv lub laub tsis txhob tig rov qab. Nws tsis ua haujlwm tiag tiag, tab sis qhov tsis muaj teeb meem- nws tsuas yog ua rau lub laub xauv txawm tias lom zem dua. Ib txoj kab daj pleev xim ib ncig ntawm qhov chaw nres tsheb feem ntau yog cov lus qhia zoo ib yam. CAPS cov txheej txheem yuav ua rau "thwack" txaus siab thaum khau raj tsoo hauv av, tab sis hauv av du, tib neeg zoo li tsuas yog thawb. Tsis muaj dab tsi ntxiv uas koj tuaj yeem ua tom qab ntawd, vim tias lub khau raj yuav tsum tau rov pib dua los ntawm tus neeg ua haujlwm nrog tus pas nrig. Nov yog cov khw muag khoom uas siv CAPS qhov system. Look rau GS2 teeb tsa kom lom zem dua. Cov kab ke no muaj ntau yam ntev dua, ua tau zoo dua ntawm kev txwv lub laub, thiab tuaj yeem rov pib dua (ntawm koj). Tsim ob lub tshuab, thiab koj tuaj yeem ua rau txhua yam teeb meem.
Kauj Ruam 3: Kev Txiav Txim Qhov Teeb Meem (qhia paub, Koj tuaj yeem hla Kauj Ruam no)
Yuav muaj xaim faus nyob ib ncig ntawm qhov chaw nres tsheb ntawm lub khw. Tus tswj hwm qhov chaw hauv khw muag khoom hloov pauv tam sim no hauv xov hlau. Ib qho kev hloov pauv sib nqus tau tsim nyob ib puag ncig cov hlau, uas muaj cov teeb liab. Thaum lub laub hla hla cov hlau, lub kav hlau txais xov sab hauv lub log tau txais lub teeb liab. Tus microcontroller mam li paub lub teeb liab thiab txiav txim tias lub log yuav tsum xauv. Vim tias lub teeb liab sib nqus nyob hauv qhov ntau zaus pom tau, pob ntseg tuaj yeem siv los ua tus hloov pauv. Txhawm rau sau thiab txheeb xyuas lub teeb liab no koj tus kheej, ua raws cov theem no. 1) Txuas lub mloog pob ntseg rau hauv lub microphone chaw nres nkoj ntawm lub laptop 2) Tua hluav taws kaw lub kaw lus kaw suab (Windows Sound Recorder siv ntawm no) 3) Nrhiav qhov pom txiav nrog cov xaim faus hauv qhov chaw nres tsheb ntawm lub khw 4) Muab lub mloog pob ntseg tso rau saum kab ntawm txoj kev hauv av. 5) Tos kom txog thaum tsis muaj suab nrov ntau dhau los ntawm lub tsheb tsav los ntawm thiab xws li. 6) Sau ~ 10 vib nas this ntawm lub suab los ntawm lub mloog pob ntseg. 7) ua si nws rov qab, koj yuav tsum hnov lub suab nrov ntsiag to 8) Lim tawm suab nrov siv lub suab kho qhov program xws li Audacity-high pass ntawm 7kHz-qis dhau ntawm 9 kHz-ua kom nrov ntau-siv tshem tawm cov cuab yeej suab nrov (ua haujlwm zoo heev) -Fast Fourier Transform kom pom ntau zaus 9) Txheeb xyuas koj li haujlwm, thiab sau code txhawm rau sim nws (muab hauv qib tom ntej) Lub vijtsam yog ntawm lub teeb liab rau GS2 system. Qhov me me blobs yog qhov tseeb 7800 Hz sine wave, raws li FFT. Qhov qhib lub teeb liab rau GS2 zoo ib yam, tab sis nruab nrab 8 blobs tau ua si rov qab. Daim ntawv ceeb toom tus qauv ntawm ntev-luv-luv-luv-ntev-ntev-ntev-luv yog zoo ib yam txawm tias ua si rov qab, lossis rov qab. Nthuav tawm… GS2.ogg yog lub teeb liab zoo li cas, yog tias koj muaj cov hlau nplaum hauv koj lub pob ntseg. Tau Txais Kev Pom Zoo ntawm no Lub CAPS teeb liab yooj yim dua, feem ntau yog 8 kHz sine wave sib npaug los ntawm 33.3 Hz square yoj. Lwm txoj hauv kev xav txog nws yog 120 sine wave cycles ua raws los ntawm 120 cycles ntawm kev ntsiag to. Qhov qhib lub teeb liab yog lub sine yoj dawb huv uas tsis muaj kev hloov pauv, tab sis qhib lub CAPS lub laub nruab nrog yuav tsum tau rov pib dua los ntawm txhais tes. Tsis txhob sim qhov no tom tsev, tshwj tsis yog tias koj nyiam raug ntes. Peb kuj muaj laj thawj zoo los ntseeg tias txhua lub log GS2 tuaj yeem tswj nrog CAPS cov cim. Nws ua haujlwm tau zoo ntawm tsawg kawg ib lub khw, txawm li cas los xij.
Kauj Ruam 4: Rov Tsim Dua Qhov Xauv Teeb (kev xav)
Thaum cov dej ntws tam sim no hauv cov xaim, cov hlau nplaum tau tsim nyob ib puag ncig nws. Thaum ntau qhov tam sim no ntws los ntawm xaim, lub dav hlau loj tau tsim nyob ib puag ncig nws. Txog zeroth kev kwv yees kwv yees, ntws tam sim no los ntawm lub voj ntawm cov xov hlau nrog cov teeb liab twg yuav tsim hluav taws xob sib nqus uas yuav ua rau kwv yees li tib lub teeb liab hauv lwm txoj kab ntawm cov xov hlau - hais, lub laub nqa khoom.
Los ntawm kev siv lub microcontroller rov tsim lub ntsuas phoo (lossis xauv) lub teeb liab thiab pub mis uas dhau los ntawm Lub Hwj Huam Loj Loj yuav tso cai rau koj tshaj tawm lub teeb liab ntawd los ntawm txoj kev ntawm koj lub zos cov zaub mov noj lossis cov khoom lag luam hauv zos. Cov theem hauv qab no yuav qhia koj yuav tsim koj tus kheej li cas Lub Hwj Chim Loj Loj.
Kauj Ruam 5: Tau Txais Cheebtsam thiab Cov Cuab Yeej
Cov khoom koj yuav xav tau: 1) Luam tawm lub rooj tsavxwm (saib hauv qab) 2) Digikey xaj (saib hauv qab) 3) 2x 8.4 lossis 9.6 volt NiCd lossis NiMH roj teeb thiab them nyiaj. Kev pheej yig los ntawm khw muag khoom ua si lossis Lub Hom Phiaj lossis Walmart ua haujlwm tau zoo. NiCd nyhav kom muaj lub zog tso zis ntau tshaj. Cov cuab yeej koj yuav xav tau 1) cov hlau txuas thiab cov laug 2) crimpers3) ntswj ntsia hlau 4) pliers lossis cov ntswj me me/qhov ntsawb 5) PIC programmer-- peb siv ICD2 los ntawm Microchip (tseem muaj nyob ntawm Digikey) PCB tau tshaj lij tshaj lij luam tawm. Yog tias koj nyiam ua tej yam los ntawm koj tus kheej, koj tuaj yeem sim ua cov txheej txheem hlau. Ua PCBs hauv tsev suav nrog ntawm no yog Eagle cov ntaub ntawv. Dav dawb hau yog PCB qhov kev pab cuam CAD dawb. Ntau tus qhia siv software no. Koj kuj tseem tuaj yeem xa cov ntawv tsim khoom ntawm Gerber thiab Excellon cov ntaub ntawv, suav nrog hauv qab no. Qee lub tuam txhab tsim khoom lag luam tseem thov kom tsim cov duab kos..sch thiab.brd yog Eagle files..sol thiab.cmp yog Gerber tooj liab txheej txheej.drd yog Excellon laum cov ntaub ntawv.fab yog Gerber kev tsim cov duabDigikey xaj: 1x PIC16F716-I/P-ND (PIC) 1x X909-ND (20 MHz ceramic resonator) 1x 563-1085 -ND (hloov pauv hloov) 4x IRF1407PBF-ND ("nyuj nyoos" MOSFET, tej zaum yuav tau txais nrog qhov pheej yig dua) 4x ES3AB-FDICT-ND (tiv thaiv diodes) 2x IR2104PBF-ND (MOSFET tsav tsheb) 4x BER199-ND (insulating los) 4x RP338-ND (TO-220 cov ntsia hlau insulators, 25 yam tsawg kawg nkaus) 4x HS106-ND (cov cua sov me me) 1x 565-1066-ND (lub tshuab loj loj) 1x WM8121-ND (6 pos. Header) 1x LM7805CT-ND (5V tus tswj hluav taws xob) 6x BC1157CT-ND (1 uF ceramic capacitor, 10 yam tsawg kawg) 2x MURS120-FDICT-ND (diodes txoj cai saum IR2104) 6x 311-10KARCT-ND (10k 0805 resistors, 10 yam tsawg kawg) 4x 22QBK-ND (22 ohm 1 /4 watt resistors, 5 yam tsawg kawg nkaus) 1x F2512-ND (fuse, 5 yam tsawg kawg, tau txais ntxiv) 1x F1467-ND (fuseholder) 1x ED3318-ND (18 pos. PIC socket) 2x ED3308-ND (8 pos. IR2104 qhov) 1x SW293-ND (qib hloov pauv) 3x WM2308-ND (txuas txuas, yuav ntau dua) 3x WM2309-ND (txuas qhov (socket), yuav ntau dua) 6x WM2310-ND (lub qhov txuas txuas, yuav ntau dua) 6x WM2311-ND (tus pin txuas, yuav ntau dua) Yuav cov khoom txuas ntxiv; lawv yog flaky, tab sis thankfully pheej yig. Muab lawv tso rau qhov ua tau zoo tshaj plaws. Cov roj teeb yuav zaum muaj qhov kawg ntawm qhov txuas txuas, tab sis muaj qhov sib txuas kom raug ntawm tes yog kev pov hwm pheej yig. Tej zaum koj yuav xav sim qhov sib txuas sib txawv. Ob peb lwm daim kuj tseem xav tau:#4-40 ntsia hlau thiab txiv ntseej rau lub dab dej kub (Tsev Depot lossis Digikey) kab xev hluav taws xob (Tsev tso khoom) 50 ft 18 ga xaim (Digikey tsuas muaj 100 'yob, sim pib qhov chaw khw) 5 ft yoog tau 2 tus neeg ua haujlwm hlau rau kev hloov pauv, ~ 22-24 ga Nco tseg tias qee qhov ntawm Digikey qhov tsawg kawg nkaus muaj ntau dua li qhov xav tau saum toj no. Txij li cov ntu no me me thiab pheej yig, tej zaum koj xav tau cov khoom seem. SMT resistors tshwj xeeb tshaj yog poob yooj yim.
Kauj Ruam 6: Tshaj tawm Pawg Thawj Coj
Lub rooj tsavxwm no tsis xav tau kev txawj ntse tshaj lij - tsuas yog txhais tes khov kho, qee qhov ua haujlwm zoo, thiab hlau zoo. Nov yog cov theem thiab lawv qhov kev lees paub - nco ntsoov tias peb pom tag nrho cov no kom tsim nyog kiag li:
1) Txhim kho qhov qub tam sim no nrog cov laug thiab xaim Cov no yog cov roj qab ntawm cov pawg sab saum toj, thiab tseem txuas rau lub capacitor. Txawm tias cov kab xaim tuab yuav tsis tuaj yeem nqa txaus tam sim no kom muaj zog rau lub tawb nqa khoom. Peb tau tawg peb thawj ob peb lub rooj tsav xwm vim qhov teeb meem no. Peb pom tias nws zoo tshaj plaws los txhawb cov kab los ntawm cov xaim hluav taws xob ua raws cov kab. 2) Cov kab laug sab Vim tias qhov no yog pawg thawj coj saib xyuas lub zog, koj xav kom tuaj yeem hloov cov chips yog tias lawv tawg. Qhov no yuav tso cai rau koj yooj yim pop hauv qhov tshiab thiab txuas ntxiv ua kev puas tsuaj. 3) Cov khoom siv lwm yam khoom siv- cov neeg tawm tsam, lub tshuab hluav taws xob, lub tshuab hluav taws xob, hloov pauv, 5V tus tswj hwm 4) Txuas cov xov hlau Raws li cov ncauj lus kom ntxaws hauv cov duab hauv qab no, nruab nrab ob yog lub roj teeb ua, nrog + lub dav hlau nyob sab laug. Kev thim rov qab cov no yuav tawg lub rooj tsavxwm. Ob sab sab yog rau tus inductor. Kev xaj tsis muaj teeb meem rau cov no. Txog tam sim no, tsuas yog txuas txog 2-3 feet ntawm xaim rau txhua lub lauj kaub loj. Plaub lub pawm loj xav tau ~ 18 ntsuas cua xaim. Ob txoj hlua me me nyob hauv qab tuaj yeem xaim me dua, thiab cov coj yuav tsum tuaj yeem ncav cuag ntawm koj lub hnab ris mus rau koj txhais tes, li 4-5 ft. 5) Cov laug MOSFETs thiab tiv thaiv diodes kawg (nco cov lus qhia ntawm diodes) kev tiv thaiv diodes yuav tiv thaiv txhua yam tsis zoo ntawm qhov hluav taws xob uas tsim los ntawm kib feem ntau ntawm cov khoom siv ntawm lub rooj tsavxwm. Khoov MOSFETS kom nyob hauv lub dav hlau nrog lub rooj tsavxwm ua ntej siv cov laug. Koj xav kom lub rooj tsavxwm ua tiav kom qis dua. 6) Yog tias koj tab tom ua haujlwm PIC hauv Circuit Court, muab lub taub hau txuas thiab ntsaws rau PIC. Txwv tsis pub, program ua ntej tso. 7) Txuas cov cua sov rau MOSFETs nrog cov cua sov thiab cov ntsia hlau thaiv. Tsis txhob hnov qab cov insulators! Nyob ntawm seb koj tuav tus tsiaj no li cas, koj tuaj yeem sib raug zoo nrog lub rhaub dej, thiab thaum qhov ntawd tshwm sim koj yuav zoo dua vam tias nws tsis muaj hluav taws xob ib yam nkaus !!! Daim ntawv teev npe hu rau kev yuav khoom ntawm 4 lub dab dej kub, tab sis txij li thaum peb muaj txhuas seem seem zaum ib puag ncig, peb tau siv qhov ntawd ntawm peb cov ntawv hloov chaw. 8) Kaw lub rooj tsavxwm kom tiv thaiv cov pa tawm. Peb tub nkeeg thiab siv daim kab xev hluav taws xob. Peb kuj tseem tub nkeeg li qhwv nws hauv hnab yas hnyav. Yog tias koj xav ua tej yam zoo dua, muab tso rau hauv lub thawv hluav taws xob lossis tupperware.
Kauj Ruam 7: Cua Inductor
Muaj ob txoj kev sib pauv los txiav txim siab thaum ua kom koj lub inductor: 1) Lub zog sib nqus sib nqus yog qhov sib piv rau lub sijhawm tam sim no tus naj npawb ntawm cov tig (A*N). Muab tib yam tam sim no dhau los ntawm kev hloov pauv ntau ntawm cov xaim yuav tsim lub zog sib nqus muaj zog dua. Txawm li cas los xij: 2) Inductance yog qhov sib npaug ntawm cov xwm txheej ntawm cov lej (L ~ = N2). Tsis saib xyuas qhov zoo ntau yam xws li kev tiv thaiv, qhov siab tshaj tam sim no yuav rov qab sib piv rau qhov inductance ntawm kauj (I ~ = 1/L). MOSFETs yog qhov hluav taws xob qhov hluav taws xob tas li, yog li nce qhov hloov pauv ntawm cov xaim yuav ua rau lub zog muaj zog zuj zus, vim tias nws txo qis tam sim no uas tuaj yeem ntws los ntawm cov hlau. Qhov ua kom yuam kev yog nrhiav qhov sib npaug ntawm qhov lom zem ntau yam thiab tsis ua yuam kev ntes koj lub ris ntawm qhov hluav taws kub. Peb hais qhia 7 tig ntawm kwv yees li 18 lub ntsuas cua xaim. Yog tias koj siv tsawg dua los yog xaim me dua, KOJ YUAV UA LI CAS NRHIAV TEEB MEEM. Tsis txhob hais tias nws tsis tuaj yeem ua tiav- peb tau siv lub cuab yeej tsis muaj zog nrog tsawg li 4 qhwv ntawm cov xov hlau … tom qab ntawd cov nplaim taws tua tawm ntawm ib qho ntawm MOSFETs. Rau qhov nyuaj tshaj plaws/dag, nco ntsoov tias lub zog tso tawm yuav ua kom ntau ntxiv thaum qhov cuam tshuam ntawm tus inductor sib phim qhov tsis txaus ntawm lub roj teeb, thiab poob mus nrog tam sim no2. Muaj qhov kev txwv qis dua rau pes tsawg teev koj tuaj yeem siv tau. Cua tshuab inductor kom loj txaus kom haum ib puag ncig koj lub cev lossis nqes koj lub ris ceg. Lub hom phiaj yog kom muaj txoj kab uas hla loj, tab sis ua rau nws siv tau txaus los hnav yam tsis tau pom dua. Peb cov loops muaj txog 18 txoj kab uas hla. Tseem tshuav cov xov hlau txaus los txuas tus txuas. Tej zaum koj yuav tsis xav kom tus inductor txuas mus tas li mus rau lub rooj tsavxwm. Txoj hauv kev yooj yim tshaj plaws rau cua zoo inductor yog qhwv cov xov hlau ntawm ob tus ntsia hlau rau hauv. Tom qab xaim hlau qhwv, siv qee tus kais lossis hlua txuas los tuav nws txhua qhov ua ke.
Kauj Ruam 8: Ua Kom tiav Txoj Kev Teeb
Nruab qhov txuas rau cov roj teeb thiab cov inductor. Muaj kev sib cav zoo ntawm seb cov laug los yog crimps zoo dua. Tshwj tsis yog tias koj muaj cov cuab yeej zoo nkauj crimping, solder cov kev sib txuas tom qab crimping. Cov neeg ua phem tsis zoo yuav poob sib nrug, thiab nws tuaj yeem ua rau hnyav ntxiv yog tias koj tsis muaj khoom seem.
Nws yuav yog qhov zoo los teeb tsa cov khoom sib txuas xws li lub roj teeb tsis tuaj yeem ntsaws rau hauv pawg thawj coj ntawm qhov inductor, txawm hais tias qhov ua tsis tiav los ntawm kev ua qhov no tsis zoo li. Koj yuav tsum nruab ib lub fuse. Txwv tsis pub, ib qho kev ua tsis tiav tuaj yeem ua rau txaus ntshai heev. Solder lub microswitch mus rau lwm qhov kawg ntawm cov xov hlau yuag. Siv qhov "Qhib Qhib" txuas ntawm qhov hloov. Daim duab thib ob yog ntawm chav sib dhos ua ke.
Kauj Ruam 9: Ua Haujlwm Pab Pawg
Koj yuav xav tau Microchip dawb MPLAB lossis lwm yam PIC software los teeb tsa lub microcontroller.
Peb tau siv ICD2 los teeb tsa PIC, tab sis muaj ntau tus tsim qauv tsim nyog thiab pheej yig nyob rau ntawd. Lub caj dab lub cajmeem yog nyob rau hauv qhov kev txiav txim Microchip. Pib ntawm sab laug: 1) Vpp (HV programming, txuas nrog rov pib dua) 2) Vdd (+5V) 3) GND (hauv av) 4) PGD (cov ntaub ntawv cov ntaub ntawv) 5) PGC (lub moos program) Koj yuav yog tus xav tau AC adapter rau ICD2, lossis koj yuav xav tau txuas lub roj teeb ua ntej ua haujlwm. Xwb, txij li koj yuav tsum tau sock PIC, nws tuaj yeem ua haujlwm tawm ntawm lub rooj tsavxwm. Qhov suav nrog qhov chaws tau sau hauv C, tab sis tus neeg sau uas peb siv tsis pub dawb. Cov ntawv ua ke hex tseem suav nrog ntawm no. Peb tsis lees paub tias cov cai tau sau zoo, tab sis nws ua haujlwm. Nco ntsoov tias muaj teeb meem me me nrog kev tshaj tawm xov tooj cua ntawm ib zaus. FFT qhia tau tias tus neeg nqa khoom zaus ntawm lub teeb liab yog li 7800 Hz. Txawm li cas los xij, qhov tseem ceeb ntawm cov khoom siv hluav taws xob thiab cov khoom siv hluav taws xob (siv hauv kev txais Circuit) tuaj yeem tawm ntau npaum li 20%, nyob ntawm qhov ua siab ntev ntawm cov ntu. Thaum tsav "tawm resonance", cov neeg txais tau ntau ntau yam tsis muaj kev nkag siab. Txhawm rau tawm tsam qhov no, cov cai txheej txheem dhau ntawm 5 zaus, nyob nruab nrab ntawm qhov chaw ze 7800 Hz.
Kauj Ruam 10: Xeem thiab Debugging
Txuas lub roj teeb thiab cov inductor, thiab thawb lub pob. Yog tias koj nyob ze qee yam hnyav thiab ua los ntawm cov hlau, zoo li lub tub yees, lub txee rau ntawv, tsheb, thiab lwm yam, koj yuav tsum hnov lub suab nrov. Yog tias koj hnov cov nkauj no, koj tuaj yeem ntseeg tau zoo tias txhua yam ua haujlwm tau zoo.
Yog tias lub fuse tshuab, tshem lub inductor thiab hloov lub fuse. Yog tias nws tseem tshuab, koj muaj qhov luv luv ntawm qhov chaw, xws li rov qab diode lossis tshuab MOSFET. Nws tuaj yeem yog qhov mob tiag tiag los nrhiav qhov twg. Yog tias lub fuse tsuas yog tshuab nrog lub inductor nyob rau hauv qhov chaw, tus inductor yuav luv heev. Ntxiv ntau lem. Yog tias lub fuse tshuab nrog qhov ntsuas qhov ntsuas kom raug, ib qho muaj peev xwm ntau dua yog tias qee yam tsis raug hauv lub sijhawm/tswj Circuit Court, lossis lub diode rov qab, lossis MOSFET kib. Yog tias tus inductor sab laug txuas nrog lub roj teeb, qhov tam sim no tuaj yeem nce mus txog 5A sai heev. Ntawm 8 kHz, tsis muaj sijhawm txaus rau qhov tam sim no kom nce siab dhau. Yog tias koj tau nkag mus rau oscilloscope thiab paub siv nws li cas, zoo heev. Yog tsis yog, koj tuaj yeem siv lub ntsuas hluav taws xob kom ntseeg tau tias H-choj tau tso tawm AC. Tshem tus inductor thiab ntsuas qhov ntsuas hluav taws xob ntawm lub cuab yeej tso tawm. Yuav tsum tsis muaj qhov tseem ceeb DC offset.
Kauj Ruam 11: Nruab Ntaus (ntawm Tib Neeg)
Txuas rau lub cev nyob rau hauv ib qho kev zam. Siv daim kab xev kho mob los yog chais plaub hau ua ntej… Nws yog qhov zoo tshaj plaws los xev lub inductor rau ntawm txhais ceg lossis ib ncig ntawm lub cev- qhov koj xaiv. Peb muaj ib khub luv luv uas tuav lub voj voog thiab roj teeb, tso rau sab nraub qaum ris kom siv tau ua kev nkaum hauv nroog.
Raws li koj tig lub cav tsis txaus tus ntiv tes nruab nrab mus rau qhov tsis ntseeg ntawm cov tib neeg tshwm sim los ntawm kev tswj hwm maj mam ntawm peb lub teb chaws zoo thiab kev lag luam hauv zej zog los ntawm megacorporations, thiab pluaj cov cuab yeej ntawm kev lom zem ntau rau koj tus kheej lub cev los qhia lawv qhov kev ruam hauv kev kho tib neeg li nyuj, xav txog koj tus kheej thiab koj qhov chaw hauv zej zog. Rau koj pom, lawv tsis muag cov khoom muag rau koj, lawv muag koj rau cov khoom lag luam. Kev siv tshuaj kho tus mob hlwb yog lub tswv yim los ntawm tsoomfwv kom tshem tawm thiab ua rau neeg lub cev muaj kev thaj yeeb. Cov txiv uas nrhiav pom ntawm Asmeskas muaj koob meej thiab A tau tsim lub tebchaws no los ntawm lub tswv yim ntawm kev ywj pheej ntawm tus kheej, thiab ntseeg cov neeg pej xeem muaj kev txawj ntse los ua tus saib xyuas lub hwj chim tseeb. Yog li, teeb tsa lub cuab yeej, thiab tawm tsam kev sib ntaus zoo, rau kev ncaj ncees ntawm txhua tus neeg Asmeskas. Sim tsis txhob ntes; nws yog qhov mob hauv lub nroog kom piav qhia rau FBI tias koj tau ua dab tsi.
Kauj ruam 12: Tawm tsam
Tsis txhob ruam (yooj yim), ua neeg ntse (nyuaj dua), thiab sim tsis txhob luag (ua tsis tau).
Qee zaum cov neeg siv khoom luag, qee zaum lawv tau foom phem, qee zaum lawv tau caij lub tawb nqa khoom thaum nws xauv … Qee zaum tib neeg liam "khoom" sib nqus hauv thaj chaw. Tej zaum lawv yog qhov tseeb tshaj plaws. Peb tus kheej nyiam yog mus txhua lub hli, lossis tsuas yog thaum muaj cua daj cua dub. Koj kuj tseem tuaj yeem tsim ib zaj dab neeg hais txog lub tsev muag khoom loj uas tau tsim nyob hauv thaj av faus neeg Indian thiab qhia lawv txog nws. Ntawm qhov one tes, peb xav thov txim rau tus kws tshaj lij uas yuav tsum tau txheeb xyuas vim li cas cov cua daj cua dub tab tom teeb tsa lub byte-encoded ua rau lub tshuab xauv. Ntawm qhov tod tes, HAHAHAHAHAHAHA! Hmoov zoo! Koj yuav tsum tau!
Pom zoo:
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