Hais txog QR Code Scanner Online

QR Code tau tsim ib lub sij hawm ntev dhau los, nws tau tsim nws tus kheej li cov noob hnav muaj nuj nqis txij li thaum nws siv rau hauv cov ntsiab lus ntawm Covid-19 kev sib kis. QR code stands rau "Quick response code". Nws yog ob-dimensional barcode, uas ua rau nws muaj peev xwm khaws cov ntaub ntawv digital.

Nws nthuav tawm nws tus kheej raws li ib hom ntawm cov checkerboard complex, muaj cov me me dub squares ntawm ib tug dawb tom qab. Daim ntawv no tsis yog vim muaj caij nyoog: nws tau tshwm sim los ntawm kev ua si nrov Japanese, mus. Tseeb tiag, QR code tau tsim los ntawm Japanese engineer Masahiro Hara, hauv 1994. Keeb kwm, nws tau siv hauv Toyota cov chaw tsim khoom los taug qab cov khoom seem ntawm cov kab ntau lawm. yog li ntawd nyob rau hauv Nyiv nws tau dhau los ua qhov nrov tshaj plaws.

Hauv lwm lub tebchaws, QR code tau nrov heev tom qab. Nws tsuas yog txij li thaum ntxov 2010s uas nws siv tau dhau los ua niaj hnub. Niaj hnub no, nws muaj peev xwm nthuav qhia koj daim pib tsheb ciav hlau nyob rau hauv txoj kev no, nyeem cov ntawv qhia zaub mov ntawm qee lub tsev noj mov, qhia koj li Spotify playlist, lossis kom koj daim pib ua yeeb yaj kiab raug cai.

Vim li cas QR Code thiaj li nrov?

Nws hom ntawv muaj ntau yam zoo. Ua ntej tshaj plaws, QR code muaj qhov zoo ntawm kev siv yooj yim heev. Tsis tsuas yog muaj nyob rau hauv hom digital tab sis kuj muaj nyob rau ntawm daim ntawv. Nws siv tsuas yog xav tau lub cuab yeej nrog lub koob yees duab yam tsis muaj kev ua ntxiv.

Raws li Asmeskas lub vev xaib Gizmodo, QR code tuaj yeem muaj 100 npaug ntawm cov ntaub ntawv ntau dua li qhov yooj yim barcode. Nws, yog li ntawd, ua rau nws muaj peev xwm khaws txhua yam ntaub ntawv. Lwm qhov zoo ntawm QR code yog nws inviolability. Ua tsaug rau nws cov hom ntawv, nws tsis tuaj yeem hais "hack" QR code: nws yuav tsum tau hloov qhov chaw ntawm cov squares me me uas tsim nws. Technically, qhov no tsis yog ua tau.

Yuav khaws cov ntaub ntawv los ntawm QR code li cas?
QR Code yog ob-dimensional barcode, uas ua rau nws muaj peev xwm khaws cov ntaub ntawv digital, xws li URL, tus lej xov tooj, ntawv xov xwm, lossis duab. Muaj ntau txoj hauv kev los nyeem QR code, online-qr-scanner.net muab QR code scanner dawb nrog cov txheej txheem scanner:

- Luam theej duab QR code nrog lub koob yees duab: Qhov no yog txoj hauv kev yooj yim tshaj plaws los nyeem QR code, koj tsuas yog yuav tsum taw tes koj lub koob yees duab ntawm QR code, thiab nws yuav raug nyeem.
- Luam theej duab QR code los ntawm daim duab: Qhov no yog txoj hauv kev zoo tshaj plaws los nyeem QR code, koj tuaj yeem thaij duab QR code thiab luam theej duab los ntawm upload rau lub scanner.
- Luam theej duab QR code los ntawm cov ntawv teev cia: Qee lub sij hawm koj tsis muaj lub koob yees duab, tab sis koj muaj cov ntawv teev cia. Koj tuaj yeem luam theej duab QR code los ntawm koj cov ntawv teev cia los ntawm kev muab tso rau hauv lub scanner.