When an NFC-activated device, like a smartphone, is within about 1.6 inches (4 centimeters) of the NFC tag, its circuit generates an electromagnetic field. Both the reader and the tag contain ...

Practically, there’s not much to the technology — you have electronic reader devices that allow you to read data from various NFC tags. That said, NFC tags are surprisingly versatile and tend ...

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 ...

Near Field Communication (NFC) Tags Market Expected to Reach $15.58 Billion by 2030 ...