CoreNFC for iOS 11: How to make an NFC Reader for your iPhone.

Michał Banaszyński on 1 February 2018

NFC Tags are passive devices – it means that they do not need any traditional power supply to work. They are triggered by a device present in a supported range. In order to power up the tag, electromagnetic induction needs to be created to produce a current used to transfer data into an active device (a phone in this case). That is why your phone needs to be within close range of the tag for this to work. There are a few things we need to do before we type the first line of code. To support NFC, the project needs a few tweaks.

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