[{"@context":"https:\/\/schema.org\/","@type":"Article","@id":"https:\/\/www.phonosolar.cz\/rfid\/#Article","mainEntityOfPage":"https:\/\/www.phonosolar.cz\/rfid\/","headline":"RFID","name":"RFID","description":"Spousta z n\u00e1s si asi pamatuje ze z\u00e1kladn\u00ed \u010di st\u0159edn\u00ed \u0161koly ob\u011bdy, na kter\u00e9 jsme pot\u0159ebovali bu\u010f karti\u010dku, nebo \u010dip na kl\u00ed\u010d\u00edch, kde byly o n\u00e1s nahr\u00e1ny informace a pr\u00e1v\u011b zaplacen\u00e9 ob\u011bdy. V\u00edte ale, jak p\u0159esn\u011b tato technologie funguje? Ur\u010dit\u011b se nejedn\u00e1 o nic nov\u00e9ho. Technologie RFID je celkem star\u00e1, ale st\u00e1le se vyu\u017e\u00edv\u00e1 i","datePublished":"2019-06-12","dateModified":"2019-06-12","author":{"@type":"Person","@id":"https:\/\/www.phonosolar.cz\/author\/#Person","name":"","url":"https:\/\/www.phonosolar.cz\/author\/","identifier":1,"image":{"@type":"ImageObject","@id":"https:\/\/secure.gravatar.com\/avatar\/82449f5dd313bdc88befc1a2d3138ce45c5e7d5eeee84221e3cf7fbc184b80d3?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/82449f5dd313bdc88befc1a2d3138ce45c5e7d5eeee84221e3cf7fbc184b80d3?s=96&d=mm&r=g","height":96,"width":96}},"publisher":{"@type":"Organization","name":"phonosolar.cz","logo":{"@type":"ImageObject","@id":"\/logo.png","url":"\/logo.png","width":600,"height":60}},"image":{"@type":"ImageObject","@id":"https:\/\/www.phonosolar.cz\/wp-content\/uploads\/img_a347936_w1895_t1562480659.jpg","url":"https:\/\/www.phonosolar.cz\/wp-content\/uploads\/img_a347936_w1895_t1562480659.jpg","height":0,"width":0},"url":"https:\/\/www.phonosolar.cz\/rfid\/","wordCount":414,"articleBody":"Spousta z n\u00e1s si asi pamatuje ze z\u00e1kladn\u00ed \u010di st\u0159edn\u00ed \u0161koly ob\u011bdy, na kter\u00e9 jsme pot\u0159ebovali bu\u010f karti\u010dku, nebo \u010dip na kl\u00ed\u010d\u00edch, kde byly o n\u00e1s nahr\u00e1ny informace a pr\u00e1v\u011b zaplacen\u00e9 ob\u011bdy. V\u00edte ale, jak p\u0159esn\u011b tato technologie funguje? Ur\u010dit\u011b se nejedn\u00e1 o nic nov\u00e9ho. Technologie RFID je celkem star\u00e1, ale st\u00e1le se vyu\u017e\u00edv\u00e1 i v dne\u0161n\u00ed dob\u011b. A to hlavn\u011b kv\u016fli tomu, \u017ee je dost spolehliv\u00e1. Pokud m\u00e1te do pr\u00e1ce n\u011bjakou kartu, kter\u00e1 v\u00e1m otev\u0159e vstupn\u00ed dve\u0159e, nebo v\u00e1m zap\u00ed\u0161e za\u010d\u00e1tek \u0161ichty, pak s nejv\u011bt\u0161\u00ed pravd\u011bpodobnost\u00ed se bude jednat pr\u00e1v\u011b o tento   Co to vlastn\u011b je? Technologie RFID znamen\u00e1 \u201eRadio Frequency Identification\u201c. Existuj\u00ed dv\u011b z\u00e1kladn\u00ed v\u011bci od RFID. Vys\u00edla\u010d a p\u0159ij\u00edma\u010d. Vys\u00edla\u010d vys\u00edl\u00e1 elektromagnetick\u00e9 sign\u00e1ly ve sv\u00e9m okol\u00ed a pokud se objev\u00ed v tomto sign\u00e1lu n\u011bjak\u00fd RFID \u010dip, pak si zjist\u00ed jeho \u010d\u00edslo a to d\u00e1le m\u016f\u017ee zpracovat. Co se t\u00fd\u010de z\u00e1kladn\u00edch programovac\u00edch jazyk\u016f \u2013 arduino vytv\u00e1\u0159\u00ed skv\u011bl\u00e9 programovac\u00ed prost\u0159ed\u00ed a API pro za\u010d\u00e1tky s touto technologi\u00ed. Dostanete od \u010dte\u010dky k\u00f3d \u010dipu, kter\u00fd se p\u0159ibl\u00ed\u017eil do n\u011bjak\u00e9 bl\u00edzkosti, a podle toho s n\u00edm d\u00e1le m\u016f\u017eete pracovat. Ve v\u011bt\u0161in\u011b p\u0159\u00edpad\u016f existuje datab\u00e1ze k\u00f3du karet v ka\u017ed\u00e9 firm\u011b, kter\u00e1 tyto karty vyu\u017e\u00edv\u00e1, a z datab\u00e1ze si z\u00edsk\u00e1 u\u017eivatele \u010di produkt, kter\u00fd je k tomuto k\u00f3du \u010dipu p\u0159i\u0159azen.  \u010cip\u016f je na trhu spousta, ale z\u00e1kladn\u00ed dva jsou karta a \u010dip na kl\u00ed\u010de. Tyto \u010dipy jsou na po\u0159\u00edzen\u00ed velice levn\u00e9. V\u011bt\u0161ina prodejc\u016f tak\u00e9 nenab\u00edz\u00ed prodej karet po jednom, ale po v\u00edce kus\u016f, jeliko\u017e stoj\u00ed jedna karta t\u0159eba 6k\u010d. Dra\u017e\u0161\u00ed je ov\u0161em \u010dte\u010dka, kter\u00e1 je tro\u0161ku dra\u017e\u0161\u00ed. Arduino \u010dte\u010dku jsem ned\u00e1vno sehnal asi do 400 korun, co\u017e celkem jde za jeden kus. M\u016f\u017eou b\u00fdt samoz\u0159ejm\u011b dra\u017e\u0161\u00ed a kvalitn\u011bj\u0161\u00ed. To je ov\u0161em pak na v\u00e1s, jakou cestou se vyd\u00e1te. Mo\u017en\u00e1 v\u00e1s napadlo, \u017ee takto m\u016f\u017ee fungovat i kreditn\u00ed karta. To ov\u0161em nen\u00ed pravda. Kreditka funguje na tro\u0161ku jin\u00e9 b\u00e1zi, a to na vylep\u0161en\u00e9m RFID s n\u00e1zvem NFC.                                                                                                                                                                                                                                                                                                                                                                                         4.3\/5 - (3 votes)        "},{"@context":"https:\/\/schema.org\/","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"RFID","item":"https:\/\/www.phonosolar.cz\/rfid\/#breadcrumbitem"}]}]