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1

Depending on the type of card used in your school, copying is not a simple task: The data is may be cryptographically protected and you need to emulate the UID, an ID which gets transmitted by the card early in the communication process. Here are some tips: At first you need to find out which type of NFC Tag our card is. You can use this app from the ...


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Near Field Communication (NFC) from Android Developers explains (emphasis added and edited for clarity) Near Field Communication (NFC) is a set of short-range wireless technologies, typically requiring a distance of 4cm or less to initiate a connection. NFC allows you to share small payloads of data between an NFC tag and an Android-powered device, or ...


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There are 3 NFC modes. Taken directly from official Android Developer - Near Field Communication, Android-powered devices with NFC simultaneously support three main modes of operation: Reader/writer mode, allowing the NFC device to read and/or write passive NFC tags and stickers. P2P mode, allowing the NFC device to exchange data with other ...



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