All types of NFC tags can be reprogrammed to change their data or commands. However, some data, like unique ID info, cannot be modified. To prevent unauthorized reprogramming, an NFC tag can be ...

Often the term will bring to mind the ability to pay by holding your phone over a reader, but the system can also use NFC tags embedded in credit cards, ID card, passports, and the like.

The main difference comes in the control method. He’s using an NFC tag reader, which is mounted in the top portion of the RPi case. The image above shows the rig during prototyping, but his ...