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Arduino Wearable Projects by Tony Olsson

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Chapter 6. Hands-on with NFC

In this chapter, we will be taking a closer look at NFC, which stands for Near Field Communication. NFC technology is a means to transfer data wirelessly over short distances. The name comes from the antenna used that usually does not permit communication between devices further than 10 cm. So, what is the benefit of using it? Well, the forced close communication range can be used to create secure and innovative interactions between devices, since you need to be physically present in order to exchange the information.

You can find NFC technology in many modern phones where it is used for a variety of applications, but the most common is probably as a payment system. With NFC on your mobile phone, you can make purchases ...

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