January 2017
Intermediate to advanced
154 pages
3h 44m
English
Content preview from The Art and Science of NFC Programming
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Preface
“The primary form of sense is touch, which belongs to all animals. […]
The sense of touch is necessarily the one whose loss causes the death of living beings”.
ARISTOTLE
With the near field communication (NFC) standard, an NFC-enabled mobile phone acquires Aristotle’s sense of touch.
NFC is a global standard of contactless and very short field (proximity) communication (a few inches) created by Philips, Sony and Nokia in 2004 (three major players and leaders in consumer electronics). The NFC standard is one of the 16 radiofrequency identification standards bringing a unique identification to each tagged object known since the 1940s and a wireless reading (through radiofrequency). Today NFC, which is widespread in smart cards (for access, payment and transportation), has been universally chosen by all smartphone manufacturers since 2014, thus allowing new mobile phone uses.
This NFC standard has three operating modes: reader/writer, card emulation and peer-to-peer; with a simple touch on an NFC-enabled device, a tap (hence the tap’n play paradigm) on a tag or on another NFC-enabled device, we can:
- – collect information thanks to the NFC reader/writer mode;
- – connect to another device and initiate connectivity (e.g. Bluetooth®, Wi-Fi, Li-Fi) thanks to the NFC peer-to-peer mode;
- – authenticate, open a door or pay, for example, because of the emulation card mode.
An NFC-enabled mobile phone can thus be seen as a universal connector that increases the phone’s sensory capacities. ...
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