Laser Triggered High-Speed Photography: 9 Kauj Ruam (nrog Duab)

2024 Tus sau: John Day | [email protected]. Kawg hloov kho: 2024-01-30 09:31

Txhawm rau txhawm rau yees duab ib yam dab tsi zoo li mis nyuj tso txoj hauv kev ib txwm siv lub koob yees duab zoo kawg ($ 500 thiab nce), Speedlite flash ($ 300 thiab nce) thiab qhov khoos phis tawj hluav taws xob qeeb qeeb ($ 120 thiab nce). Muaj ntau ntau DIY cov voj voog rau lub hom phiaj no, tab sis lawv tseem xav tau lub koob yees duab zoo thiab chav ua haujlwm siab kawg. Thiab koj yuav tsum tau qhib lub qhov rooj kom xav tau daim duab kom raug coj mus rau hauv chav tsaus. Nov yog yuav ua li cas koj tuaj yeem siv tib cov duab nrog ib qho yooj yim Circuit Court, tus nqi pheej yig thiab tua lub koob yees duab, tsis muaj chav flash ntxiv, txhua yam yam tsis muaj qhov tsaus ntuj ib puag ncig. Cov vis dis aus saum toj no qhia qhov yooj yim ntawm kev siv lub rig no thiab qee qhov kev sib tsoo zoo dua ntawm ntau pua tus uas kuv tau ntes. Kuv tau mloog zoo rau cov kua mis, tab sis qhov no tuaj yeem siv rau ntau yam sib txawv. Kev sib cais ntawm lub laser thiab lub ntsuas tuaj yeem yog ntau pua taw sib nrug, lossis thaws tawm tsom iav… Ua tsaug, thiab muaj kev lom zem nchuav mis! -Brett @ SaskView

Kauj ruam 1: Cov ntaub ntawv

Kuv tau txais cov hauv qab no ntawm kuv lub khw Dollar hauv ib cheeb tsam (txhua qhov khoom yog $ 1.25: tham txog kev tshaj tawm tsis raug! Qhov muag dauv (rau lub raj mis lub raj mis. Kuv nchuav cov ntsiab lus raws li kuv ntseeg tias txhua yam uas yuav ntawm lub khw muag duas yuav tsum tsis txhob siv rau ib tus neeg qhov muag!) Nov yog qhov koj yuav xav tau rau hauv Circuit Court (Kuv tsis xav tias koj lub khw muag duas hauv ib cheeb tsam. yuav muaj cov no yog li koj yuav tau sim cov khoom siv hluav taws xob zoo li Digi-Key): Normal0

Tshooj/Tus NqiDigi-Qhov Tseem Ceeb #

4.01 uF 50V hlau zaj duab xis CapsP4513-ND 3 1.0 uF 50V Ceramic CapsBC1162CT-ND 1 10 uF 35V Electrolytic CapP818-ND1 1K Ohms 1/4 W resistor1.0KQBK-ND 1 22K Ohms 1/4 W resistor22KQBK-ND 2 120 Ohms 1/4 W resistors120KQBK-ND 2 200 K Ohms.5W Multi-turn PotsCT94EW204-ND 1 Ntsuab LEDP14228-ND 1 Liab LEDP14224-ND 1 LM556CN timer IC296-6504-5-ND 1 7404 inverter IC568-2921-5-ND1 Photodiode PNZ300F-ND Thov nco ntsoov tias cov txheej txheem tau hloov kho kom siv cov duab tshiab.

Kauj Ruam 2: Lub Koob Yees Duab

Koj yuav xav tau lub koob yees duab Canon vim tias peb tab tom yuav hloov kho nws cov firmware ib ntus siv Canon Hacking Development Kit. CHDK tau ntim rau hauv daim npav nco hauv lub koob yees duab, tso cai rau peb tshem tawm feem ntau ntawm lub koob yees duab lub luag haujlwm, tig lub ntsiab lus pheej yig thiab tua mus rau hauv txoj kev kho tau yooj yim-lub sijhawm txias lub tub yees.

Tam sim no muaj 47 lub koob yees duab Canon uas CHDK yuav ua haujlwm nrog. Txheeb xyuas CHDK Wiki kom pom cov npe ntawm lawv. Kuv tab tom siv A470 uas kuv yuav tshiab rau txog ib puas phaus. Rub tawm qhov tseeb CHDK tsim rau koj lub koob yees duab los ntawm CHDK pib tsim server thiab teeb tsa nws ntawm koj lub koob yees duab daim npav nco. Cov lus qhia zoo los pab koj kom CHDK khiav ntawm koj lub koob yees duab tuaj yeem pom ntawm no. Txhim kho CHDK tsis ua mob rau kuv lub koob yees duab, thiab nws yog ib ntus. Kuv tuaj yeem rov qab mus rau qhov qub firmware yooj yim los ntawm kev tig lub koob yees duab thiab rov pib dua yam tsis muaj CHDK. Tau kawg kuv tsis tuaj yeem lav koj yuav tsis tshuab koj lub koob yees duab los ntawm kev txuas cov khoom siv hluav taws xob hauv tsev rau nws. Ua li ntawd ntawm koj tus kheej txoj kev pheej hmoo!

Kauj ruam 3: Circuit Court

Hauv qab koj yuav pom qhov txuas rau pdf uas muaj cov qauv.

Txhawm rau ua kom koj lub CHDK qhib lub koob yees duab peb yuav siv USB ua haujlwm nyob deb. Hauv qhov no peb yuav tsum siv nws los ntawm txoj kev 'syncable', uas yog hluav taws xob nrawm piv rau qhov qub USB chaw taws teeb. Cov chaw taws teeb syncable kuj ua haujlwm sib txawv. Nws ua rau lub koob yees duab ntawm ntug ntog hloov qhov nce ntawm 5-volt teeb liab. Thaum lub koob yees duab pom 5 volt USB teeb liab, nws tau npaj los txhaj, tos kom qhov hluav taws xob poob mus rau xoom. Muaj lub koob yees duab nrawm ua rau lub voj voos nyob ib ncig ntawm 'net tab sis kuv nrhiav tsis tau ib qho rau USB sib txuas. Yog li kuv tau sib koom ua ke hauv qab no. Nws siv 556 timer IC, inverter, photoresistor thiab qee lub kaus mom thiab tiv thaiv. Lub khw duas muaj USB cable zoo ib yam rau kuv lub koob yees duab siv. Kuv lobbed ib kawg ntawm nws, es tsis txhob tsoo ib qho uas tuaj nrog kuv lub koob yees duab. Yuav tsum muaj hluav taws xob 5-volt txhawm rau ua kom lub zog muaj zog. Yog tias koj tsis muaj, khaws lub USB them nqi pheej yig, lossis ntxiv 7805 tus tswj hluav taws xob rau hauv Circuit Court. Tus photoresistor tsis nyob ntawm lub rooj tsav xwm; nws tau teeb tsa rau ntawm daim me me ntawm perf board ntawm qhov kawg ntawm txoj kab luv. Kuaj qee cov hlau nplaum rau sab nraub qaum kom yooj yim ua ke nrog lub laser. Lub Circuit Court yuav tsum tau tsim ua ntej ntawm lub khob cij thiab ntsuas. Thaum koj paub tseeb tias txhua yam tau ua haujlwm tom qab ntawv tshem tawm lub rooj tsav xwm hauv Circuit lossis siv lub rooj tsav xwm qauv zoo ib yam li kuv tau ua. Lossis tsuas yog txuas ntxiv siv lub Circuit Court ntawm lub khob cij. NCO TSEG: OCT 2nd, 2009 Muaj qhov yuam kev loj heev hauv cov txheej txheem uas qhia tus tswv cuab toxoof taw qhia. PDF tau raug kho. OCT 19, 2009: tau pom lwm qhov yuam kev hauv schematic. Arrrggggg! Lub Xya Hli 30, 2010: Schematic hloov kho kom siv photoresistor Rub tus pdf ntawm no: Schematic

Kauj ruam 4: Lub Laser

Lub laser taw qhia muaj qhov hloov pauv ib ntus tab sis kuv xav tau qhov hloov pauv uas yuav tso cai rau lub laser nyob twj ywm yam tsis muaj kuv tuav lub pob.

Dollar khaws lub qhov rooj sib nqus tsis yog tsuas yog muaj qhov hloov pauv uas kuv xav tau, tab sis kuj nws siv tib yam thiab cov roj teeb uas lub laser ua. Qhov no pheej yig dua li tsuas yog hloov pauv los ntawm cov khoom siv hluav taws xob. Kuv tshem tawm lub rooj tsav xwm me me ntawm lub qhov rooj tswb thiab teeb lub zog ua haujlwm ntawm lub laser hauv nws qhov chaw siv lub tswb hloov thiab lub roj teeb tuav. Koj tsis tas yuav mus rau qhov huab heev yog tias koj tsis xav mus. Tsuas yog siv cov hlua roj hmab rapped ncig lub laser pointer kom nws tig rau. Zoo li lub photodiode, Kuv kub-yaj glued qee cov hlau nplaum nyob tom qab.

Kauj Ruam 5: Rig Rig

Hauv qab no yog daim duab ntawm kuv teeb tsa.

Qee daim ntoo thiab qee lub txee hlau khov rau ntawm lub tais TV. Lub laser tau teeb tsa nrog cov hlau nplaum ntawm ib qho ntawm cov khoom siv, thiab cov duab photodiode ntawm lwm qhov. Hauv nruab nrab thiab me ntsis saum toj no kuv tau velcro'd lub qhov muag lub raj mis ntim puv mis.

Kauj Ruam 6: CHDK Chaw: Ua Kom Pom Kev Sib Txuas

Txhawm rau kom USB cable chaw taws teeb ua haujlwm, koj yuav tsum pab nws.

Nrog CHDK teeb tsa ntawm koj lub koob yees duab mus rau hauv Main Menu thiab nyob hauv qab koj yuav pom lwm yam khoom. Nkag mus rau cov ntawv qhia zaub mov thiab nyob rau hauv qab ntawm nws koj yuav pom cov ntawv qhia zaub mov Tsis siv neeg nyob deb. Hauv cov ntawv qhia zaub mov teeb Enable Remote [.] Nco ntsoov tias muaj cov dot sab hauv cov kab plaub fab, txhais tau tias nws tau qhib. Hauv qab no yog Enable Synchable Remote. Pab kom nws. Tom ntej yog Pab Kom Synch, pab qhov no ib yam. Tsis tas li ntawm lub vijtsam no yog teeb tsa rau kev ua haujlwm qeeb. Lawv tsis ua haujlwm rau kuv, thiab qhov ntawd yog lwm qhov laj thawj uas kuv tau tsim qhov kev ncua sijhawm.

Kauj Ruam 7: CHDK Chaw: Ua Haujlwm Ntxiv Duab

Tam sim no mus rau hauv Cov Ntawv Qhia Ua Haujlwm Ntxiv Duab nyob rau sab saum toj ntawm cov ntawv qhia zaub mov tseem ceeb thiab teeb tsa:

Disable Overrides [disable] Xws li AutoIso & Bracketi [.] Override shutter speed [1/10000] Tus nqi zoo [1] Shutterspeed emun type [Ev Step] Override aperture [5.03] Override Subj. Dist. V [350] Tus nqi tseem ceeb [1] Hloov pauv tus nqi ISO [80] Tus nqi tseem ceeb [1] Force phau ntawv nyem [.] Lub zog nyem [1] Txhawm rau kom tau txais qhov raug koj yuav tsum tau kho lub qhov taub, ISO, thiab teeb lub hwj chim teeb. Cov naj npawb aperture qis dua yuav ua kom qhov kev txhaj tshuaj zoo dua, cov lej ntau dua yuav ua kom tsaus ntuj. Nco ntsoov tias lub zog loj dua ntawm flash, qhov ntev ntawm lub flash yuav ntev dua. Koj yuav xav siv lub zog nyem qis tshaj plaws uas ua kom pom kev txaus. Flash lub zog ntawm xoom yog qhov tsis muaj zog thiab koj yuav tsum tau siv 1. Rau ISO koj yuav xav siv tus nqi qis ISO vim tias ISO siab dua ua rau muaj suab nrov ntau dua thiab ua rau cov duab zoo li tsis zoo. Zuag qhia tag nrho ISO yog lub sijhawm muaj txiaj ntsig. Qhov tseem ceeb tuaj yeem yog 1, 10 lossis 100 muab ISO rau koj nyob txhua qhov chaw ntawm 0 thiab ib puag ncig 32000. Nco ntsoov tias ISO qis dua 40 lossis siab dua 800 feem ntau yuav dhau qhov uas lub koob yees duab tuaj yeem ua tiav. CHDK wiki hais tias nws zoo tshaj: Tsuas yog vim tias koj tuaj yeem teeb tsa qhov kaw qhov nrawm, f/nres lossis ISO rhiab heev ntawm koj lub koob yees duab nrog CHDK, nws tsis txhais tau tias koj lub koob yees duab tuaj yeem ua qhov teeb tsa ntawd. Nco ntsoov koj tau sim kom paub tseeb tias qhov teeb tsa huab tau ua qhov sib txawv hauv koj cov duab uas ua tiav. Override Subj. Dist. yog xav kom thim qhov pib ua kom yuam lub koob yees duab kom pom tseeb ntawm qhov kev xav tau. Kuv tsis tuaj yeem ua qhov no ua haujlwm. Kuv tsis paub tseeb tias kuv ua qee yam tsis raug, lossis yog tias muaj kab laum. Kuv qhov ua haujlwm nyob ib puag ncig yog thaum lub koob yees duab tau ua tub rog nws yuav pib ua kom pom tseeb thiab kuv muab kuv tus ntiv tes tso rau ntawm qhov chaw uas qhov kev poob qis yuav tsaws, cia lub koob yees duab pib tsom mus rau ntawd.

Kauj Ruam 8: Kho Kho Lub Koob Yees Duab

Feem ntau koj yuav ua rau muaj teeb nyem sab nraud, thaum lub kaw lus qhib siv lub xov hluav taws xob tso nrog lub koob yees duab hauv hom 'teeb'. Thaum lub nyem nyem tawm, koj cia lub shutter kaw. Qhov no xav kom chav tsaus ntuj vim tias lub qhov rooj yuav qhib rau ntau vib nas this.

Hauv qhov teeb tsa no koj tuaj yeem muaj lub teeb chav nyob vim tias lub teeb nyem thiab kaw tau tshwm sim nyob rau tib lub sijhawm, thiab kev nthuav tawm tau teeb tsa rau 1/10, 000th ntawm ob. Ua ntej peb nqes lub koob yees duab mus rau qhov ntsuas hluav taws xob peb xub kho nws cov teeb tsa, siv cov duab kom txog thaum peb tau txais qhov raug. Nthuav koj lub koob yees duab ntawm lub koob yees duab thiab tso cov khoom ntsuas nyob ruaj ruaj txoj cai uas qhov poob yuav tsaws. Ncej qhov khoom ntsuas, thiab kho qhov zoom rau qhov koj nyiam. Siv qhov teeb tsa macro yog tias koj lub koob yees duab nyob ze txaus los ua li ntawd. Nco ntsoov tias koj yuav feem ntau yuav tau txau cov mis mus rau koj lub koob yees duab thiab lub lens, yog li Dollar Store Khob iav phaj yuav tsum tau muab tso rau pem hauv ntej ntawm lub lens kom tiv thaiv qhov no. Yog tias daim iav iav nyob rau pem hauv ntej ntawm lub teeb nws tuaj yeem cuam tshuam rov qab rau hauv lub lens, ua rau tsis pom kev. Tam sim no coj mus kuaj thiab tshuaj xyuas seb nws tshwm sim li cas. Yog tias qhov kev txhaj tshuaj tsis raug nthuav tawm kho qhov raug, nyem thiab ISO kom txog thaum nws yog. Koj tseem tuaj yeem hloov kho qhov ceev, tab sis nco ntsoov tias nws feem ntau yog lub flash uas ua kom khov. Kuv teeb qhov ceev mus rau 1/10000 ntawm ob thiab tso nws ib leeg. Ntawm kuv qhov A470 qhov qhib qhov nkag mus hla tsis muaj. Hauv nws qhov chaw yog ND Lim Xeev. ND sawv cev rau Qhov Nruab Nrab Nruab Nrab lim. Qee lub koob yees duab tsis muaj lub qhov muag, tab sis hloov lub lim los hloov lub teeb nkag mus rau lub koob yees duab ntau npaum li cas. Yog tias koj lub koob yees duab muaj qhov no hloov ntawm qhov nkag mus hla koj yuav tsis muaj kev tswj ntau npaum li cas vim tias tsuas muaj peb qhov kev teeb tsa: [Hauv], [Tawm] thiab [Tawm].

Kauj Ruam 9: Kho Circuit Court

Nrog koj lub rig tso rau hauv qhov chaw mount lub photoresistor rau ib qho ntawm cov hlau nkhaus thiab lub laser ntawm lwm qhov. Kho qhov chaw ntawm lub laser kom cov tee poob los ntawm nqaj. Kho qhov chaw ntawm tus kws kho duab kom nws pom nrog lub laser.

Fais fab lub Circuit Court. LED1 yuav taws teeb, qhia lub zog. Ua ntej peb pib siv lub qhov muag qhov muag, peb yuav tsum teeb tsa lub photoresistor qhov rhiab siv VR1. Ib ntus cuam tshuam lub nqaj. LED2 yuav tsum ntsais qhov taw qhia tias lub tswb tau poob lawm. Kho qhov rhiab heev kom lub Circuit Court ua ntu zus. Koj tuaj yeem pom lub teeb pom kev nyob ib puag ncig cuam tshuam nrog lub Circuit Court, tiv thaiv lossis ua rau muaj qhov tsis zoo tshwm sim, yog li koj yuav xav tau teeb lub teeb chav, lossis teeb qhov ntxoov ntxoo ib puag ncig lub photoresistor. Nco ntsoov tias lub zog qeeb qeeb tau teeb tsa ib puag ncig nruab nrab. Yog tias nws tau teeb tsa qhov kawg ntawm nws qhov txwv, lub Circuit Court yuav tsis ua haujlwm. Thaum lub voj voog ua haujlwm, fais fab tuag thiab ntsaws USB cable rau hauv koj lub koob yees duab. Qhib koj lub Koob Yees Duab nrog CHDK khiav, tom qab ntawd ua kom lub zog muaj zog. Lub cim 5-volt yuav pub rau lub koob yees duab. Paub txog lub teeb liab ntawd, lub koob yees duab yuav tsom mus ua ntej, thiab tom qab ntawd nws lub LCD pom yuav tsis pom. Tam sim no lub koob yees duab tau ua tub rog thiab npaj txhij, tos kom lub 5 volt teeb liab poob mus rau xoom. Cuam tshuam lub teeb nqaj laser, thiab tom qab ncua sijhawm luv heev lub koob yees duab yuav siv lub yees duab nrawm nrawm. Kev cuam tshuam cov nqaj zaum thib ob yuav rov kho lub koob yees duab rau nws qhov kev txhaj tshuaj tom ntej. Thaum lub voj voog ua haujlwm, cuam tshuam cov nqaj sib hloov nruab nrab ntawm lub koob yees duab, thiab hla lub qhov rooj. Tam sim no nws yog lub sijhawm pib nchuav cov mis. Txhua yam uas xav tau yog txhawm rau txhawm rau ncua sijhawm kom raug.

Qhov khoom plig loj hauv Kev Sib Tw Hnub Duab Hnub