Cov txheej txheem:
- Kauj ruam 1: Kho vajtse
- Kauj ruam 2: Software
- Kauj ruam 3: Siv nws
- Kauj Ruam 4: Kuv Yuav Mus Qhov Twg Ntawm No?
Video: Arduino Magnetic Stripe Decoder: 4 Kauj Ruam (nrog Duab)
2024 Tus sau: John Day | [email protected]. Kawg hloov kho: 2024-01-30 09:31
Cov lus qhia no qhia yuav siv qee cov lej muaj pub dawb, arduino, thiab tus qauv sib nqus cov kab ntawv nyeem kom luam theej duab thiab tso saib cov ntaub ntawv khaws tseg ntawm daim npav kab hlau nplaum xws li daim npav rho nyiaj, tus ID tub ntxhais kawm, thiab lwm yam. Kuv tau tshoov siab kom tshaj tawm qhov no tom qab nyeem ntawv qhia txog kev nyeem kab ntawv sib nqus thiab Stripe Snoop uas pom nyob hauv MAKE cov ntawv xov xwm Ntu 1. Qhov kev qhia qhia paub yuav ua li cas txhawm rau txhawm rau txhawm rau nyeem cov kab ntawv mus rau qhov chaw nres nkoj game interface, tab sis kuv muaj lub laptop mac, yog li kuv tsis muaj game game interface! Tsis tas li, kuv xav tias arduino suite ntawm kho vajtse/software tau sib xyaw ntau dua thiab nkag siab yooj yim rau cov pib dua li "ib txwm muaj" txoj hauv kev nthuav tawm ntawm Stripe Snoop lub vev xaib thiab MAKE magazine. Txawm li cas los xij, daim ntawv thov no yooj yim qhia cov ntaub ntawv uas nyob ntawm kab hlau nplaum; nws tsis muaj ib qho ntawm cov yam ntxwv zoo tshaj uas Stripe Snoop ua. Kauj ruam kawg ntawm cov lus qhia no muaj qee qhov txuas rau cov ntaub ntawv ntxaws ntxaws txog cov ncauj lus no rau cov uas xav paub.
Kauj ruam 1: Kho vajtse
Pom tseeb, koj thawj zaug yuav tsum tau txais lub tshuab nqus hlau nyeem kab ntawv. Kuv tab tom siv Omron V3A-4K uas kuv xaj los ntawm digikey. Nws raug nqi kuv $ 20.00 los yog li ntawd. Yog tias koj tsis tuaj yeem pom ib qho ntawm no, ib tus qauv TTL nyeem ntawv yuav ua.
Tsis txhob txhawj xeeb txog yuav ib qho ntawm txoj hlua zoo nkauj uas lawv muag. Muaj cov ntaub qhwv tawm ntawm lub rooj tsav xwm hauv sab hauv ntawm tus nyeem ntawv. Thaum koj tau txais koj li kev nyeem ntawv, tawm ntawm lub hau npog, thiab txuas cov xov hlau rau cov ntaub qhwv raws li qhia hauv daim duab. Tau kawg, yog tias koj muaj tus nyeem ntawv sib txawv, cov xov hlau yuav zoo li txawv. Hauv qhov no, sab laj nrog koj tus nyeem ntawv cov ntawv txhawm rau nrhiav cov ntaub qhwv uas tsim nyog. Tom ntej no, txuas cov xov hlau mus rau Arduino's digital pins raws li hauv qab no: DATA - 2 CLK - 3 LOAD - 5 Thaum kawg, txuas lub +5v thiab GND rau lawv qhov chaw nyob ntawm Arduino board.
Kauj ruam 2: Software
Kauj ruam 3: Siv nws
Thaum kawg, tsuas yog qhib qhov txuas txuas hauv arduino applet, thiab pib swiping daim npav! Cov ntaub ntawv txiav txim los ntawm daim npav yuav tshwm nyob rau hauv lub qhov rai sai li sai tau thaum koj los so ib qho.
Kauj Ruam 4: Kuv Yuav Mus Qhov Twg Ntawm No?
Yog tias koj xav paub ntau ntxiv txog daim npav kab hlau nplaum, cov kab ntawv txuas nrog, "Ib Hnub hauv Lub Neej ntawm Kev Hloov Rov Los" los ntawm Suav Zero yuav tsum tau nyeem. Daim ntawv no zoo nkauj npaum li phau bible ntawm cov txiv ntoo thiab ntsia liaj qhov rooj (volts?) Ntawm kev sib nqus sib nqus lub cev ua haujlwm li cas. Nws kuj tseem muaj cov ntaub ntawv hais txog tus txheej txheem txheej txheem ntawm txoj kab ntawm cov kab hlau nplaum sib nqus, uas yog qhov muaj txiaj ntsig zoo hauv kev txhais cov ntaub ntawv uas koj tau txais los ntawm kev teeb tsa qhia hauv cov lus qhia no. Cov software no xav tau teeb tsa kho vajtse nyuaj me ntsis, tab sis los nrog cov ntaub ntawv ntawm daim npav paub hom thiab yuav sim cais cov ntaub ntawv tib neeg nyeem tau tawm ntawm txhua daim npav uas koj los so los ntawm nws. Piv txwv li, yog tias koj los so koj daim npav rho nyiaj lossis daim ntawv tsav tsheb, nws yuav lees paub nws, thiab qhia koj txhua yam ntawm koj tus kheej cov ntaub ntawv uas tau khaws cia rau ntawm daim npav ntawd! Kuv paub tseeb tias nrog cov lej me me nyiag nws yuav tsis nyuaj rau tau txais tus nyeem ntawv no los cuam tshuam ncaj qha rau Stripe Snoop…..
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