Maonero Ekare & Mashandisirwo Azvo
NFC: Tekinoroji yekutaurirana isina waya inofamba daro refu inobvumira kuendesa data kubva panzvimbo imwe kuenda kune imwe pakati pemidziyo yemagetsi, ichichinjana data iri kure ne10cm. Sisitimu yekutaurirana yeNFC inosanganisira zvikamu zviviri zvakazvimiririra: NFC reader neNFC tag. NFC reader chikamu chinoshanda chesisitimu "chinoverenga" (kana kugadzirisa) ruzivo chisati chatanga mhinduro chaiyo. Inopa simba uye inotumira mirairo yeNFC kuchikamu chisingashande chesisitimu (kureva NFC tag). Kazhinji, pamwe chete ne microcontroller, NFC reader inopa simba uye inochinjana ruzivo nerumwe kana akawanda maNFC labels. NFC reader inotsigira akawanda maRF protocols uye maficha uye inogona kushandiswa mumhando nhatu dzakasiyana: kuverenga/kunyora, peer-to-peer (P2P) uye card emulation. Basa reNFC frequency band i13.56 MHz, inova ye high frequency, uye protocol standards iISO/IEC 14443A/B neISO/IEC15693.
Mazita eNFC ane mashandisirwo akasiyana-siyana, akadai sekubatanidza nekubvisa matambudziko, maposta ekushambadzira, anti-counterfeiting, nezvimwewo.
1.Kubatanidza & Kugadzirisa Matambudziko
Nekunyora ruzivo rwakadai sezita nepassword yeWiFi kune label yeNFC uchishandisa NFC reader, uchinamira label panzvimbo yakakodzera, kubatana kunogona kugadzirwa nekungoisa zvishandiso zviviri zvinoshandisa NFC pedyo. Pamusoro pezvo, NFC inogona kukonzera mamwe maprotocol akadai seBluetooth, ZigBee. Kubatanidza kunoitika munguva pfupi uye NFC inoshanda chete kana uchida, saka hapazovi nekubatana kwemidziyo netsaona uye hapazovi nekusawirirana kwemidziyo seBluetooth. Kuisa zvishandiso zvitsva kana kuwedzera network yako kumba kuri nyorewo, uye hapana chikonzero chekutsvaga kubatana kana kuisa password.
Kuongorora Kusarudzwa Kwechigadzirwa
Chip: Zvinokurudzirwa kushandisa NXP NTAG21x series, NTAG213, NTAG215 uye NTAG216. Machipisi aya anoenderana neNFC Type 2 standard uye anosanganawo neISO14443A standard.
Kanyanga: NFC inoshanda pa13.56MHz, ichishandisa aruminiyamu etching process coil antenna AL+PET+AL.
Guruu: Kana chinhu chinofanira kunamirwa chakatsetseka uye nzvimbo yekushandisa yakanaka, guruu rinopisa rakanyunguduka kana guruu remvura rinogona kushandiswa. Kana nzvimbo yekushandisa yakaoma uye chinhu chinofanira kunamirwa chakakombama, guruu remafuta rinogona kushandiswa kuti rive rakasimba.
Zvinhu zvepamusoro: Pepa rakaputirwa rinogona kushandiswa. Kana zvichidikanwa kudzivirira mvura, zvinhu zvePET kana PP zvinogona kushandiswa. Kudhinda magwaro nemapatani kunogona kupihwa.
2. Kushambadzira & Maposita
Maposta akangwara ndeimwe yemashandisirwo etekinoroji yeNFC. Inowedzera maNFC tag kumapepa ekutanga ekushambadza kana mabhodhibhodhi, kuitira kuti kana vanhu vakaona kushambadza, vagone kushandisa mafoni avo ega kuti vaskena tag yakaiswa kuti vawane ruzivo rwakakodzera rwekushambadzira. Mundima yemaposta, tekinoroji yeNFC inogona kuwedzera kutaurirana. Semuenzaniso, poster ine chip yeNFC inogona kubatanidzwa kune zviri mukati zvakaita semimhanzi, mavhidhiyo, uye kunyange mitambo inodyidzana, nokudaro ichikwezva vanhu vazhinji kuti vagare pamberi peposter uye kuwedzera mhedzisiro yechiratidzo uye kukwidziridzwa. Nekufarirwa kwemafoni ane mabasa eNFC, maposta akangwara eNFC anoshandiswawo mune zvakawanda.
Ruzivo rwuri mufomati yeNDEF rwakadai semaposta akangwara, mameseji, maURL, nhamba dzekufona, maapp ekutanga, mapu coordinates, nezvimwewo zvinogona kunyorwa muNFC label kuti zvishandiso zvinogoneswa neNFC zviverenge uye zviwane. Uye ruzivo rwakanyorwa runogona kuvharwa uye kuvharwa kudzivirira shanduko dzakaipa kubva kune mamwe maapplication.
Kuongorora Kusarudzwa Kwechigadzirwa
Chip: Zvinokurudzirwa kushandisa machipisi eNXP NTAG21x series. Zvinhu chaizvo zvinopihwa neNTAG21x zvakagadzirirwa kuvandudza kubatanidzwa uye nyore kushandisa:
1) Kushanda kweFast Read kunobvumira kuskena mameseji akazara eNDEF uchishandisa murairo mumwe chete weFAST_READ, nokudaro zvichideredza nguva yekuverenga munzvimbo dzekugadzira dzakanyanya;
2) Kuvandudzwa kweRF performance, zvichiita kuti chimiro, saizi uye kusarudzwa kwezvinhu zvive nyore;
3) Sarudzo yeukobvu hwe75 μm IC inotsigira kugadzirwa kwematagi akatetepa zvakanyanya kuti zvive nyore kubatanidzwa mumamagazini kana maposta, nezvimwewo;
4）Ne 144, 504 kana 888 bytes yenzvimbo yemushandisi iripo, vashandisi vanogona kusarudza zvinoenderana nezvavanoda.
Kanyanga: NFC inoshanda pa13.56MHz, ichishandisa aruminiyamu etching process coil antenna AL+PET+AL.
Guruu: Nekuti inoshandiswa pamaposta uye chinhu chinonamirwa chakapfava, guruu rinopisa rinonyunguduka kana guruu remvura rinogona kushandiswa.
Zvinhu zvepamusoro: bepa reunyanzvi rinogona kushandiswa. Kana zvichidikanwa kudzivirira mvura, zvinhu zvePET kana PP zvinogona kushandiswa. Kudhinda zvinyorwa nemapatani kunogona kupihwa.
3. Kurwisa zvinhu zvenhema
Chikwangwani chekudzivirira manyepo cheNFC ichiratidzo chemagetsi chekudzivirira manyepo, chinoshandiswa zvakanyanya kuona kuti zvigadzirwa ndezvechokwadi here, kuchengetedza zvigadzirwa zvekambani, kudzivirira zvigadzirwa zvemanyepo zvekudzivirira manyepo kuti zvisapararire mumusika, uye kuchengetedza kodzero nezvinodiwa nevatengi.
Chiratidzo chemagetsi chekudzivirira manyepo chakanamirwa pakurongedza kwechigadzirwa, uye vatengi vanogona kuziva chiratidzo chemagetsi chekudzivirira manyepo kuburikidza neAPP pafoni yeNFC, kutarisa ruzivo rwechokwadi, uye kuverenga ruzivo rwakabatana nechigadzirwa. Semuenzaniso: ruzivo rwemugadziri, zuva rekugadzirwa, nzvimbo yakabva, zvirevo, nezvimwewo, kubvisa data rema tag uye kuona chokwadi chechigadzirwa. Chimwe chezvakanakira zvetekinoroji yeNFC ndiko nyore kwayo kubatanidzwa: madiki eNFC labels ane upamhi hwemamirimita gumi uye anogona kuiswa zvisingaoneki mumapakeji echigadzirwa, mbatya kana mabhodhoro ewaini.
Kuongorora Kusarudzwa Kwechigadzirwa
1. Chip: Zvinokurudzirwa kushandisa FM11NT021TT, inova chip yetag yakagadzirwa neFudan Microelectronics inoenderana neISO/IEC14443-A proto.col uye NFC Forum Type2 Tag standard uye ine basa rekuona mashandisirwo emagetsi. Inogona kushandiswa zvakanyanya munzvimbo dzakadai sekurongedza zvinhu nekuchenjera, kudzivirira zvinhu zvisiri zvechokwadi, uye kudzivirira kuba zvinhu.
Nezvekuchengetedzwa kweNFC tag chip pachayo:
1) Chip yega yega ine UID ye7-byte yakazvimirira, uye UID haigone kunyorwazve.
2) Nzvimbo yeCC ine basa reOTP uye haibviswi nekubvisa ruzha kuti isavhurike zvine njodzi.
3) Nzvimbo yekuchengetera ine basa rekukiya rekuverenga chete.
4) Ine basa rekuchengetera rakachengetedzwa nepassword rinogona kushandiswa, uye nhamba yepamusoro yekuedza password inogona kugadziriswa.
Mukupindura kune vatengesi venhema vanodzokorodza matagi uye vachizadza mabhodhoro echokwadi newaini yenhema, tinogona kugadzira matagi eNFC asina kusimba ane dhizaini yematagi, chero bedzi pasuru yechigadzirwa yakavhurwa, tagi rinotyoka uye harigone kushandiswazve! Kana tagi ikabviswa, tagi rinotyoka uye harigone kushandiswa kunyangwe rakabviswa.
2.Antena: NFC inoshanda pa13.56MHz uye inoshandisa antenna ye coil. Kuti iite kuti isashande zvakanaka, chigadziko chepepa chinoshandiswa semutakuri we antenna uye chip AL+Pepa+AL.
3. Guruu: Shandisa guruu rinorema rinoburitsa jira repazasi, uye guruu rinoburitsa jira repamberi. Nenzira iyi, kana tag yabviswa, jira repamberi nepepa rekumashure zvinoparadzanisa nekukuvadza antenna, zvichiita kuti basa reNFC risashande.
