Mbiri ndi Kugwiritsa Ntchito
NFC: Ukadaulo wolumikizirana wopanda zingwe wakutali womwe umalola kutumiza deta kuchokera pamalo amodzi kupita pamalo ena pakati pa zida zamagetsi, kusinthana deta mkati mwa mtunda wa 10cm. Dongosolo lolumikizirana la NFC limaphatikizapo magawo awiri odziyimira pawokha: chowerengera cha NFC ndi chizindikiro cha NFC. Chowerengera cha NFC ndi gawo logwira ntchito la dongosolo lomwe "limawerenga" (kapena kukonza) chidziwitsocho lisanayambe yankho linalake. Limapereka mphamvu ndikutumiza malamulo a NFC ku gawo losagwira ntchito la dongosolo (monga chizindikiro cha NFC). Nthawi zambiri, mogwirizana ndi microcontroller, chowerengera cha NFC chimapereka mphamvu ndikusinthanitsa chidziwitso ndi chizindikiro chimodzi kapena zingapo za NFC. Chowerengera cha NFC chimathandizira ma protocol ndi mawonekedwe angapo a RF ndipo chingagwiritsidwe ntchito m'njira zitatu zosiyana: kuwerenga/kulemba, peer-to-peer (P2P) ndi kutsanzira khadi. Bande logwira ntchito la NFC ndi 13.56 MHz, lomwe ndi la ma frequency apamwamba, ndipo miyezo ya protocol ndi ISO/IEC 14443A/B ndi ISO/IEC15693.
Ma label a NFC ali ndi ntchito zosiyanasiyana, monga kuphatikiza ndi kukonza zolakwika, ma posters otsatsa, anti-counterfeiting, ndi zina zotero.
1.Kugwirizanitsa ndi Kukonza Ma Bug
Mwa kulemba zambiri monga dzina ndi mawu achinsinsi a WiFi ku chizindikiro cha NFC kudzera pa chowerengera cha NFC, ndikuyika chizindikirocho pamalo oyenera, kulumikizana kumatha kupangidwa pongoyika zida ziwiri zolumikizidwa ndi NFC pafupi. Kuphatikiza apo, NFC ikhoza kuyambitsa ma protocol ena monga Bluetooth, ZigBee. Kugwirizanitsa kumachitika pakapita nthawi ndipo NFC imagwira ntchito pokhapokha ngati mukufunikira, kotero sipadzakhala kulumikizana kwa chipangizo mwangozi ndipo sipadzakhala mikangano ya chipangizo monga Bluetooth. Kuyambitsa zida zatsopano kapena kukulitsa netiweki yanu yakunyumba ndikosavuta, ndipo palibe chifukwa chofunafuna kulumikizana kapena kulowetsa mawu achinsinsi.
Kusanthula kwa Kusankha kwa Zogulitsa
Chip: Ndikoyenera kugwiritsa ntchito NXP NTAG21x series, NTAG213, NTAG215 ndi NTAG216. Ma chips awa amagwirizana ndi muyezo wa NFC Type 2 ndipo amakwaniritsanso muyezo wa ISO14443A.
Antena: NFC imagwira ntchito pa 13.56MHz, pogwiritsa ntchito aluminiyamu etching process coil antenna AL+PET+AL.
Guluu: Ngati chinthu chomwe chikugwiridwa chili chosalala komanso malo ogwiritsira ntchito ali abwino, guluu wosungunuka wotentha kapena guluu wamadzi wotsika mtengo ungagwiritsidwe ntchito. Ngati malo ogwiritsira ntchito ndi ovuta ndipo chinthu chomwe chikugwiridwacho ndi cholimba, guluu wamafuta angagwiritsidwe ntchito kuti chikhale cholimba.
Zinthu zapamwamba: Pepala lophimbidwa lingagwiritsidwe ntchito. Ngati pakufunika kuletsa madzi, zipangizo za PET kapena PP zingagwiritsidwe ntchito. Kusindikiza malemba ndi mapatani kungaperekedwe.
2. Malonda ndi Ma Poster
Ma posters anzeru ndi amodzi mwa ntchito zaukadaulo wa NFC. Amawonjezera ma tag a NFC ku malonda oyambirira a pepala kapena ma boardboard, kotero kuti anthu akamawona malondawo, amatha kugwiritsa ntchito mafoni awo a m'manja kuti azitha kusanthula chizindikiro cholumikizidwa kuti apeze zambiri zotsatsa. Pankhani ya ma posters, ukadaulo wa NFC ukhoza kuwonjezera kuyanjana. Mwachitsanzo, poster yokhala ndi chip cha NFC ikhoza kulumikizidwa ndi zomwe zili monga nyimbo, makanema, komanso masewera olumikizana, motero kukopa anthu ambiri kuti azikhala patsogolo pa poster ndikuwonjezera kutchuka kwa chizindikiro ndi zotsatira zotsatsa. Chifukwa cha kutchuka kwa mafoni a m'manja omwe ali ndi ntchito za NFC, ma posters anzeru a NFC amagwiritsidwanso ntchito m'magawo ambiri.
Zambiri zomwe zili mu mtundu wa NDEF monga ma poster anzeru, mauthenga, ma URL, manambala oimbira foni, mapulogalamu oyambira, mapu olumikizirana, ndi zina zotero zitha kulembedwa mu chizindikiro cha NFC kuti zipangizo zoyendetsedwa ndi NFC zizitha kuwerenga ndikupeza. Ndipo zambiri zomwe zalembedwazo zitha kusungidwa ndi kutsekedwa kuti mapulogalamu ena asasinthe zinthu.
Kusanthula kwa Kusankha kwa Zogulitsa
Chip: Ndikoyenera kugwiritsa ntchito ma chips a NXP NTAG21x. Zinthu zenizeni zomwe NTAG21x imapereka zapangidwa kuti zithandizire kuphatikizana komanso kusavuta kugwiritsa ntchito:
1) Kuwerenga Mwachangu kumalola kusanthula mauthenga athunthu a NDEF pogwiritsa ntchito lamulo limodzi lokha la FAST_READ, motero kuchepetsa nthawi yowerenga m'malo opangira zinthu zambiri;
2) Kugwira bwino ntchito kwa RF, zomwe zimapangitsa kuti mawonekedwe, kukula ndi kusankha zinthu zikhale zosavuta;
3) Njira yolimba ya 75 μm IC imathandizira kupanga ma tag owonda kwambiri kuti zikhale zosavuta kuphatikiza m'magazini kapena ma posters, ndi zina zotero;
4） Ndi ma baiti 144, 504 kapena 888 a malo ogwiritsira ntchito omwe alipo, ogwiritsa ntchito amatha kusankha malinga ndi zosowa zawo.
Antena: NFC imagwira ntchito pa 13.56MHz, pogwiritsa ntchito aluminiyamu etching process coil antenna AL+PET+AL.
Guluu: Chifukwa chakuti imagwiritsidwa ntchito pa maposita ndipo chinthu chomwe chikumatidwacho ndi chosalala, guluu wotentha wosungunuka kapena guluu wamadzi wotsika mtengo ungagwiritsidwe ntchito.
Zinthu zapamwamba: pepala la zaluso lingagwiritsidwe ntchito. Ngati pakufunika kuletsa madzi, zipangizo za PET kapena PP zingagwiritsidwe ntchito. Kusindikiza malemba ndi mapatani kungaperekedwe.
3. Kuletsa zinthu zabodza
Chizindikiro choletsa zinthu zabodza cha NFC ndi chizindikiro chamagetsi choletsa zinthu zabodza, chomwe chimagwiritsidwa ntchito makamaka kuzindikira kudalirika kwa zinthu, kuteteza zinthu za kampani, kuletsa zinthu zabodza zoletsa zinthu zabodza kuti zisafalikire pamsika, komanso kuteteza ufulu ndi zofuna za ogula.
Chizindikiro chamagetsi choletsa zinthu zabodza chimayikidwa pa phukusi la malonda, ndipo ogula amatha kuzindikira chizindikiro chamagetsi choletsa zinthu zabodza kudzera mu APP pafoni yam'manja ya NFC, kuyang'ana zambiri zenizeni, ndikuwerenga zambiri zokhudzana ndi malonda. Mwachitsanzo: zambiri za wopanga, tsiku lopanga, komwe adachokera, zofunikira, ndi zina zotero, kuchotsa deta ya chizindikirocho ndikutsimikiza kuti malondawo ndi enieni. Chimodzi mwa zabwino za ukadaulo wa NFC ndichakuti ndi kosavuta kuphatikiza: zilembo zazing'ono kwambiri za NFC zimakhala pafupifupi mamilimita 10 m'lifupi ndipo zimatha kuyikidwa mosawonekera m'ma phukusi a malonda, zovala kapena mabotolo a vinyo.
Kusanthula kwa Kusankha kwa Zogulitsa
1. Chip: Ndikoyenera kugwiritsa ntchito FM11NT021TT, yomwe ndi chip yopangidwa ndi Fudan Microelectronics yomwe imagwirizana ndi ISO/IEC14443-A proto.col ndi muyezo wa NFC Forum Type2 Tag ndipo uli ndi ntchito yozindikira yotseguka. Itha kugwiritsidwa ntchito kwambiri m'magawo monga kulongedza mwanzeru, kuletsa zinthu zabodza, komanso kupewa kuba zinthu.
Ponena za chitetezo cha chip cha NFC tag yokha:
1) Chip iliyonse ili ndi UID yodziyimira payokha ya 7-byte, ndipo UID singathe kulembedwanso.
2) Malo a CC ali ndi ntchito ya OTP ndipo satha kung'ambika kuti aletse kutsegula kwa dalaivala.
3) Malo osungiramo zinthu ali ndi ntchito yotsekera yowerenga yokha.
4) Ili ndi ntchito yosungira yotetezedwa ndi mawu achinsinsi yomwe imatsegulidwa mwachisawawa, ndipo chiwerengero chachikulu cha mayesero achinsinsi ndi chokhazikika.
Poyankha anthu ochita zachinyengo omwe amabwezeretsanso ma tag ndikudzaza mabotolo enieni ndi vinyo wabodza, titha kupanga ma tag osalimba a NFC okhala ndi kapangidwe ka tag, bola phukusi la malonda litatsegulidwa, tagyo idzasweka ndipo singagwiritsidwenso ntchito! Ngati tagyo yachotsedwa, tagyo idzasweka ndipo singagwiritsidwe ntchito ngakhale itachotsedwa.
2. Antena: NFC imagwira ntchito pa 13.56MHz ndipo imagwiritsa ntchito antenna yozungulira. Pofuna kuti ikhale yofooka, maziko a pepala amagwiritsidwa ntchito ngati chonyamulira antenna ndi chip AL+Paper+AL.
3. Guluu: Gwiritsani ntchito guluu wolemera wotulutsa mawu pa pepala la pansi, ndi guluu wotulutsa mawu pang'ono pa chinthu chakutsogolo. Mwanjira imeneyi, chizindikirocho chikachotsedwa, chinthu chakutsogolo ndi pepala lakumbuyo zidzalekanitsa ndikuwononga antenna, zomwe zimapangitsa kuti ntchito ya NFC isagwire ntchito.
