NFC: Kuongorora Near Field Communication Technology

Isu tese takajaira chinhu chakadaro mune smartphone seNFC. Uye zvinhu zvose zvinoratidzika zvakajeka neizvi.

Vanhu vazhinji havatengi mafoni asina NFC, vachifunga kuti ndezvekutenga chete. Asi pane mibvunzo yakawanda.

Asi waiziva here kuti chii chimwe chinogona kuita tekinoroji iyi? Chii chekuita kana smartphone yako isina NFC? Maitiro ekushandisa chip mu iPhone kwete chete yeApple Pay? Sei isingashande, kunyanya nemakadhi eNyika?

Iwe unogona zvakare kuchaja zvishandiso kuburikidza nayo ...

Nhasi tichakuudza kuti inoshanda sei uye tarisa pane zvese zvese. Uye zvinonyanya kukosha, nei iri iyo yakanyanya underated tekinoroji mu smartphone yako!

NFC inoshanda sei?

Iwe unogona kunge uchiziva kuti NFC inomirira Near Field Communication kana muchiRussian - pfupi-renji kutaurirana.

Asi izvi hazvisi zvakajairika kutapurirana data pamusoro peredhiyo wave. Kusiyana neWi-Fi neBluetooth, NFC yakanyanya kuoma. Inobva pane electromagnetic induction. Ichi chinhu chinotonhorera kubva kuzvidzidzo zvekuchikoro, rega ndikuyeuchidze.

Pfungwa yekuti unotora conductor imwe chete isina magetsi. Uye iwe unoisa wechipiri conductor pedyo nayo, iyo ine magetsi. Uye fungidzira chii? Mune kondakita yekutanga, pakanga pasina magetsi, ikozvino inotanga kuyerera!

Zvakanaka, hongu?

Patakatanga kuziva nezvazvo, takafunga kuti hazvibviri! Zvakakomba? Uri kutyaira! Handei tinotamba Counter Strike vakomana.

Zvakanaka, kana iwe ukaunza smartphone yako kune imwe NFC tag isina simba, iyi diki yemagetsi magineti kubva ku-smartphone inokwana kuti maerekitironi ayerere mukati me tegi uye mamicrocircuits ari mukati mayo kuti ashande.

Hongu. Tegi yega yega ine diki chip. Semuenzaniso, mumakadhi ekubhengi microchip inoshandisa kunyange shanduro yakapfava yeJava. Zvakaita sei?

Iwe unogona kunge wakanzwa kupfupikiswa kweRFID. Yakagadzirwa makore makumi matatu apfuura. Inomirira Radio Frequency Identification. Uye chokwadi chakakodzera chete kuzivikanwa. Nzvimbo zhinji dzehofisi dzichine mabheji eRFID.

Saka NFC ibazi repamberi reRFID chiyero uye inoverenga mamwe ma tag aya. Asi mutsauko mukuru ndewekuti NFC inogona zvakare kutamisa data, kusanganisira yakavharidzirwa.

NFC inoshanda pafrequency ye13,56 MHz, iyo inokutendera iwe kuti uwane yakanaka kumhanya kubva pa106 kusvika 424 Kbps. Saka iyo mp3 faira ichadhawunirodha mumaminetsi akati wandei, asi pachinhambwe chinosvika 10 cm.

Panyama, NFC ikoiri diki. Semuenzaniso, muPixel 4 yakasungirirwa pachivharo uye inoita seizvi.

Uye saka muXiaomi Mi 10 Pro:

Uye ikozvino yave nguva yekutaura nezve izvo NFC inogona kuita?

Kushanda kweiyi tekinoroji uye inoenderana, seRFID, inotsanangurwa muyero ISO 14443. Pachine zvakawanda zvinhu zvakabatanidzwa pamwechete: semuenzaniso, iyo Italian Mifare protocol neVME zviri mumakadhi ekubhangi.

NFC imhando ye USB Type-C yenyika isina waya, kana iwe uchiziva zvandiri kureva.

Asi chinhu chikuru ndeichi. NFC inogona kushanda mumamodhi matatu:

1. Active. Kana mudziyo uchiverenga kana kunyora data kubva pati kana kadhi. Nenzira, hongu, data inogona kunyorwa kune NFC tags.
2. Shandura pakati pemidziyo yevezera. Apa ndipo paunobatanidza mahedhifoni asina waya kune yako smartphone kana kushandisa Android Beam - rangarira izvi. Ikoko, kubatana kwakaitika kuburikidza neNFC, uye kufambisa kwefaira pachayo kwakaitika kuburikidza neBluetooth.
3. Passive. Kana mudziyo wedu uchiita sechinhu chisingaiti: kadhi rekubhadhara kana kadhi rekufambisa.

Nei NFC kana paine Bluetooth neWi-Fi, nekuti ivo vane zvese kumhanya uye huwandu.

NFC mabhonasi ndeaya anotevera:

1. Instant connection - chikamu chegumi chechipiri.
2. Simba rekushandisa rakaderera - 15 mA. Bluetooth inosvika makumi mana mA.
3. Matagi haadi simba rawo.
4. Uye hazvisi pachena - pfupi pfupi, iyo inofanirwa kuchengetedza uye kubhadhara.

Kune zvakare Bluetooth Low Energy, asi iyo imwe nyaya yakasiyana.

Yechii? Izvi zvinotipei?

Mukuwedzera kune zviitiko zvatove pachena: kudarika, kubhadhara uye makadhi ekufambisa, kune zvikumbiro zvinogona kuisa mari pakadhi yeTroika nemamwe makadhi ekufambisa.

Pane application - Bank card reader. Semuenzaniso, inogona kuratidza yazvino kadhi transactions. Handina chokwadi kana izvi zvine hutsika, asi application iri paPlay Market.

Nenzira, vanhu vazhinji vanofarira nei Google neApple Pay isingashande neMir makadhi? Haisi nyaya yehunyanzvi maitiro. Nzira yekubhadhara haina kubvumirana nemasevhisi. Unogona kubhadhara kuburikidza neako Android application - World Pay. Ichokwadi kuti ibuggy, asi haishande neiyo iPhone zvachose!

Nenzira, hupenyu hack. Kana yako Android isina NFC, asi iwe uchida chaizvo kubhadhara, chii chaunofanira kuita? Iwe unogona kuisa kadhi pasi pevhavha. Taura nesu. Ichokwadi, makesi akakora anogona kusaendesa kunyangwe akavakirwa-mukati maNFC mafungu - saka tarisa.

Takatotaura nezve zvishandiso, asi pane yechipiri yakakosha chikamu - NFC tags. Dzinouya dziri mhando mbiri.

1. Idzo dzaunogona kurekodha ruzivo. Vanoita sezvinamira zvidiki. Kazhinji ndangariro iripo inenge 700 bytes. Dzakafanana dzakagadzirwa neSony.

Iwe unogona kuchengeta boka rezvinhu pano, semuenzaniso:

• Wi-Fi kuwana vaenzi
• Nyora pasi ruzivo rwako uye rushandise sebhizinesi kadhi
• Seta smartphone yako kuti upinde mukurara modhi usiku pane yako yeusiku
• Iwe unogona zvakare kuchengetedza imwe data mairi, semuenzaniso password kana chiratidzo cheBitCoin. Zvirinani chete mune encrypted fomu.

Iyi tegi inogona kuverengwa nechero foni ine NFC.

Chii chekuita kana iwe usina ma tag eNFC? Unogona kuvaodha, vanodhura mapeni.

Asi unogona kutora kadhi rebhangi renguva dzose kana kadhi rekufambisa, seTroika. Aya ma tag akavanzika. Muenzaniso wakajairika ikadhi rako rebhangi. Iwe haugone kunyora chero chinhu pazviri.

Asi smartphone yako inogona kurongwa kuita chero chinhu kana chinhu chakadaro chikaiswa kwairi.

Kana iwe uine Android, unogona kuisa application semuenzaniso macrodroid kana NFC ReTag. Mavari iwe unogona kugovera anenge zviito zvakafanana kune NFC tag. Batidza Wi-Fi uye fonera / kudzima, tanga maapplication, batidza husiku modhi. Somuenzaniso, unogona kuzviita kuitira kuti paunoisa foni yako pakadhi reTroika, yako Droider channel. Ndinokurudzira!

Nenzira, izvi ndizvo zvakaita zviri mukati meTroika.

Unogonawo kuverenga pa Inetopia.com nezvemukomana akaisa tag yeNFC muruoko rwake.

Chii chimwe chinogona kushandiswa neNFC?

Chimwe chezvinhu zvinovimbisa matikiti emagetsi. Kumabhaisikopo kana kumakonzati. Zvino ivo vanozviita kuburikidza neQR kodhi uye hazvisi izvo zvinotonhorera, mumaonero angu. Kunyangwe mamirioni eChinese asingabvumirani neni.

About Apple

Chii chaunofanira kuita kana uine iPhone? Wese munhu anofunga kuti NFC yakaremara pa iPhone, asi icho hachisi chokwadi. Kutanga neIOS 11, ndiko kuti, kubvira 2017, Apple yakavhura mukana kune vanogadzira. Uye kwatove neakawanda maapplication akafanana neapa Android. Semuenzaniso, NFC Zvishandiso.

Ichokwadi, kuchine zvirambidzo: kutakura uye makadhi ebhangi, somuenzaniso, haagoni kuongororwa. Tinoda ma tag anokosha, ayo atatokurukura.

Kuita sei? iOS 13 inosuma iyo Mirairo chimiro (Siri). Uye zvino achangowana chero ma tag eNFC. Saka pano unogona kugadzirisa kutanga kwemimhanzi uchishandisa kadhi yeTroika. Kana kubatidza girobhu rakangwara. Kana kuti zvimwe zvinhu zvakawanda. Matimu chinhu chinobhomba chaizvo. Ini handinzwisise kuti nei Android isati yave neizvi.

Kutengesa

Kana panguva ino iwe wafunga kuti iwe unoziva zvese nezveNFC uye waneta neaya madhiri maapplication. Saka hechino chinhu chinobhowa kwauri.

Kune sangano rinonzi NFC Forum rinopa NFC zvitupa. Kazhinji, tekinoroji yega yega ine sangano rakadaro, uye zvakanaka kana paine imwe chete.

Uye rimwe zuva vakaburitsa imwe update kune standard. Uye fungidzira chii? NFC ikozvino inotsigira kuchaja isina waya. Hongu, chaizvoizvo, iyi ndiyo nzira yechina yekushanda.

Unobvunza chii? Electromagnetic induction, rangarira? Nekubatsira kwake.

Nenzira, Qi kuchaja inoshanda chaizvo pamusimboti mumwe chete. Chete pane coil yakakura.

Asi pane dambudziko rimwe chete. Iyo NFC coil idiki, zvinoreva kuti simba rekuchaja rakaderera - chete 1 Watt.

Zvinoita here kubhadharisa smartphone nekumhanya uku? Usatomboedza. Zvisinei, basa reizvi harina kugadzirwa.

Chinangwa chikuru chakanyatsopesana - kuchaja zvimwe zvishandiso ne smartphone. Izvi zvakafanana nereverse kuchaja muGalaxy uye mamwe mafoni. Semuenzaniso, unogona kugonesa mahedhifoni asina waya ivo pachavo, uye kwete nyaya kubva kwavari. Chaizvoizvo, isu tine yakachipa isina waya charger inowanikwa mune chero smartphone uye inogona kuiswa nyore mune chero smart kifaa.

Nenzira, 1 Watt haisi shoma. Kuenzanisa, ese maPhones kunze kweiyo 11 Pro anoshandisa 5-watt charger. Uye iyo simba rekudzosera isina waya yekuchaja mune yemazuva ano mireza inochinjika kutenderera 5 kana 7 W.

Asi pane chinhu chimwe chete - ichi chimiro hachizoshanda pamhando dzazvino. MaSmartphones ane chimiro chakadaro angangotanga kuoneka mugore nehafu. Saka ramba wakatarira Samsung kushambadzira chinhu ichi.

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Source: www.habr.com