Cov txheej txheem:
Video: Pib Motorbike Nrog NFC Tes Hloov: 3 Kauj Ruam
2024 Tus sau: John Day | [email protected]. Kawg hloov kho: 2024-01-30 09:26
Vim li cas kuv txawm muaj NFC nti cog cog rau hauv kuv txhais tes?
Kuv ua haujlwm raws li kev txhawb nqa IT rau lub tsev so khoom kim heev, yog li muaj ntau lub qhov rooj kuv xav tau qhib txhua hnub nrog daim npav. Yog vim li cas kuv thiaj txiav txim siab muab 125khz RFID nti hauv kuv txhais tes. Hmoov tsis zoo, kuv qhov kev xaiv tsis raug vim peb muaj NFC nyeem ntawv muaj tiag. Yog li kuv muab NFC nti cog rau kuv txhais tes. Hmoov tsis zoo dua, Kuv pom tias peb cov kab ke tsis txhawb nqa Mifare Ultralight C chips, yam kuv muaj hauv kuv txhais tes, yog li kuv xaus nrog ob daim hauv kuv txhais tes & tsis muaj kev siv rau lawv. Yog li ntawd yog vim li cas kuv thiaj txiav txim siab los siv NFC nyeem ntawv rau kuv lub maus taus.
Kuv tau txais nws li cas?
Kuv yuav ob qho tib si RFID & NFC los ntawm ntawm www.dangerousthings.com. Nws tuaj txog hauv pob pre-sterilized nrog rab koob nrog lub ntim ntim. Tom qab kuv nyuam qhuav mus rau thawj lub studio tattoo (qw rau Trilogy Nyeem Ntawv). Nws puas mob? Kuv yuav hais… 3.6, tsis zoo, tsis txaus ntshai: D
Khoom siv
Arduino
RC522 NFC nyeem ntawv
5V relay module
LM2596 Stepdown module
Kauj Ruam 1: Tsim Kho Vajtse
Thawj qhov kev xav yog siv Raspberry Pi, tab sis qhov ntawd yuav dhau mus yam tsis muaj zog & muaj zog-tshaib plab. Yog li Arduino yog qhov kev xaiv raug. Ua ntej kuv ua nws ua haujlwm nrog Arduino UNO, tab sis tom qab ntawd ua rau nws me dua nrog Arduino Pro Micro. Kev sib txuas tau yooj yim zoo nkauj, ob peb kab & NFC nyeem ntawv tau nce thiab khiav.
Kauj ruam 2: Txoj Cai
Kuv siv tus lej AccessControl piv txwv los ntawm RC522 Arduino lub tsev qiv ntawv los ntawm Github & tau hloov qee qhov me me.
Qhov kev hloov pauv tsuas yog ua kom nws coj zoo li lub toggle hloov. Vim tias thaum kuv pib lub tsheb kauj vab kuv xav tawm nws pib kom txog thaum kuv xav tua nws.
Koj tuaj yeem rub tawm cov cai ntawm no.
Kauj Ruam 3: Txhim Kho Nws
Tom qab kuv nyuam qhuav ntxiv 5V kev xa xov txuas mus txuas rau cov xov tooj hluav taws xob tseem ceeb & LM2596 Stepdown module, vim lub roj teeb maus taus yog 12V, tab sis peb xav tau 5V. Hauv cov vis dis aus, koj tuaj yeem pom lub sijhawm ncua sijhawm ntawm tag nrho cov txheej txheem & cov txiaj ntsig kawg. Ua haujlwm zoo li ntxim nyiam.
Tau kawg, kuv tseem yuav tsum tau siv tus yuam sij qhib lub tank roj lossis kaw lub kauj, tab sis rau kev pib/nres lub cav, nws zoo meej.
Pom zoo:
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