The NFC of The Nexus S Revealed, or When The Community Does Not Wait

One of the novel features of the new terminal of Google recently, and they differentiated it from all other phones on the market (at least in the Android world), is the ability to read information stored in tags NFC (Near Field Communication).

And what is the NFC?

Well, we expose the background. It is basically a review of the known RFID tags, as implemented in the stores to identify products and also as antitheft security system. The operation is simple, a chip that stores information, connected to an antenna and packaged in a thin sticker or paper card.

This chip is put into operation when it is powered by a magnetic field, clear that this is only a short distance. We have seen countless times as out of a trade there are metal arches, which are what make magnetic transmitter and whose goal is to detect the output of material protected by unauthorized RFID (which should normally disable the cashier of the trade).

You can have commonly use as safety anti theft devices, but also as automatic method of information supply equipped with a receiving computer users. Looking for similarities, the popular QR codes could be that A system similar to the RFID and NFC in this field are the QR code, it enable to supply almost any type of information to users, but through the use of a camera.

The position of the NFC-enabled Gloogle

Well, exposed this background, it is easy to understand the position of Google. Many have been attempts to find a method of automatic secure payment, beyond the use of the credit cards or payments by SMS. Google, with its proprietary payment system Google Checkout, It has part of the field already ahead. Lacking a system of automatic recognition of product and electronic payment.

Remember that all Android phones need a Google account to stay 100% configured and usable in all its functions, with each terminal is easily identifiable to its owner. Also Google Checkout accounts also are associated with the same terminal main account, by the in a nutshell, your terminal is your payment card.

Finally, Google, with the Nexus S left implemented this system, in order to basically become an automatic method of purchase in its terminals and that serve as reference to other manufacturers, so that they are implementing it in their respective terminals, but above all, so that developers begin to take advantage of.

Up to there goes the official story, or that Google has wanted us to sell. Its official video explains that the Nexus S You may not broadcast information for NFC to other devices, just receive it. The fact is that they already announced that over time and, through Update OTA (using a wireless connection), the possibilities of this technology would increase in the terminal, although they did not explain anything more.

It was logical that the curiosity and eagerness of the developer community investigate the code and seek new possibilities.

Seems to be that the NFC chip of the Nexus S natively it is trained to be able to send and receive information, but the fact is that Google, through the API that controls it, only has the function of reading enabled.

The Argentine developers group, Gibraltar Software Factory, She discovered this delving into the SDK, where have discovered hidden tags that control the function of sending information.

Discovered and deciphered these hidden functions, time has missed them to create your own application to give you a use different from that originally invented Google. With this can be programmed a NFC chip to change its contents and, going further, use the NFC communication terminals, or what we did in the past via infrared and later with bluetooth. We can see an example what you get to do in the video below.

Obviously, with this application, the possibilities can be varied. Since update the tags of a card directly with our terminal to communicate two terminals sharing information of any kind.

I don’t want to even think about usages less correct, such as to alter the details of commercial tags NFC, reason by which I gather the why Google not could have enabled it factory, if you are looking for precisely that it spread as a system for the identification and payment being accepted by businesses and industry.

And I wonder, What will tell the Japanese and Koreans all this?, light-years ahead in mobile devices and technology usage, as well as used to using this technology to pay for and exchange information.

Gallery

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