QR code jagora

Lambar QR shine grid na bayanai. Kamarar ku tana gano sasanninta, karanta tsarin, kuma ta sake gina abun ciki-ko da wasu bayanai sun lalace.

Sarari wani bangare ne na lambar.

Kiyaye bayyanannen farin iyakar kewaye da QR ɗinku. QR puli yana tanadi aƙalla sassa huɗu na sarari shiru, don haka na'urar daukar hotan takardu na iya raba shi da kewaye.

Duhun haske ya ci nasara.

Yi amfani da bambanci mai ƙarfi tsakanin ƙirarku da bangon ku. Muna buƙatar ra'ayin mazan jiya 4.5: 1 bambancin rabo don fitarwa; wannan shine tsarin tsarin mu, ba ma'auni na QR ba.

Gwada gaskiya.

Mun yanke zanen da aka yi kafin saukewa. Takarda, haske, nisa, da ingancin kyamara har yanzu suna da mahimmanci. Fara kusa da faɗin mm 30 kuma gwada a ainihin girman da nisa.

Kodin ku naku ne.

Babu ranar ƙarewa ko iyakar yawan dubawa da aka saka a lambar. Ka bar shafuka da fayilolin da aka haɗa suna samuwa. Ƙirƙiri sabuwar lambar QR idan ka canza mahaɗi ko bayananta.

Karamin tambari. Wani ra'ayi mai dorewa.

Muna amfani da babban gyare-gyaren kuskure da yanki mai karewa. Gyaran kuskure yana kare bayanai, amma ba izini ba ne don ɓoye kashi 30% na hoton. Ana sake duba kowane ƙira da aka gyara.

Yi amfani da edita hanyarka.

Yi amfani da hanyar tsallakewa don isa ga edita, Tab don matsawa ta hanyar sarrafawa, da maɓallin kibiya a cikin zaɓin da aka haɗa. Latsa Escape don rufe maganganu. Kowane launi kuma yana da filin rubutu don shigar da ƙimar hex. Zaɓuɓɓukan da aka zaɓa suna da alama kuma suna da zaɓi mai sauƙi. Sabuntawar samfoti ta atomatik, kuma raye-raye suna mutunta tsarin rage motsi na na'urarku.

Duban kusa da lambobin QR

QR yana nufin Amsa Sauri

QR yana tsaye don Amsa Sauri: Karatun sauri shine babban burin ƙira.

DENSO WAVE

An gina shi don masana'antu

DENSO ya gabatar da lambobin QR a Japan a cikin 1994, kuma masana'antar kera motoci sun yi amfani da su don waƙa da sassa tun kafin menus na gidan abinci.

DENSO WAVE

Tawagar biyu kawai

Masahiro Hara ya jagoranci ƙungiyar haɓaka mutum biyu, tare da kusan shekara ɗaya da rabi na aiki kafin a shirya lambar QR.

DENSO WAVE

Kusurwoyi uku sun bayyana al’ada

Manyan nau'ikan kusurwa uku na taimaka wa mai karatu gano lambar QR na yau da kullun kuma ya gane yanayin sa, koda lokacin da aka juya shi.

DENSO WAVE

Tsarin ganewa na musamman

A cikin tsakiyar tsarin mai ganowa, duhu da faɗin haske suna bin 1: 1: 3: 1: 1 rabo, wanda aka zaɓa saboda ya kasance ba a sani ba a cikin kayan bugawa.

DENSO WAVE

Girman grid 40 ne

Lambobin QR na yau da kullun suna fitowa daga 21 ta 21 kayayyaki zuwa 177 ta 177, tare da kowane nau'i yana ƙara nau'ikan nau'ikan guda huɗu a kowane gefe.

DENSO WAVE

Ƙarin rubutu na iya nufin ƙarin ɗigo

Nau'in bayanai, tsawon abun ciki da gyara kuskure duk suna shafar girman grid; gajeriyar abun ciki na iya samar da ƙaramin lamba.

DENSO WAVE

Capacity ya dogara da bayanai

Mafi girman lambar QR na yau da kullun a matakin gyara kuskure mafi ƙasƙanci zai iya riƙe har zuwa lambobi 7,089, amma kawai 2,953 bytes na bayanan binary.

DENSO WAVE

Matsayin duniya tun 2000

QR Code ya zama ma'auni na ISO a watan Yuni 2000, yana ba masu yin da masu karatu cikakken bayanin fasaha.

DENSO WAVE

Micro QR wani tsari ne na daban

Micro QR yana amfani da tsarin mai nema guda ɗaya kawai kuma yana farawa a 11 ta 11 modules, amma tsari ne daban kuma yana buƙatar mai karatu mai dacewa.

DENSO WAVE

Lambobin QR da CD na kiɗa

Lambobin QR suna amfani da hanyar gyaran kuskure ta Reed–Solomon don taimakawa wajen dawo da bayanan da suka lalace. Ana amfani da ita a CD na kiɗa ma.

DENSO WAVE

Bayanan fasaha: DENSO WAVE · Yankunan shiru · Kuskure gyara