NFC tags are small, passive devices made of three primary components: a thin coil of copper or aluminum wire, a tiny silicon ...

NFC tags are versatile, serving as physical components or emulated on devices like our favorite Android phones, tablets ... The coil functions as an antenna while the chip stores and processes ...

Often the term will bring to mind the ability to pay by holding your phone over a reader ... outlined some incredibly simple hardware: an NFC antenna connected to a PN7462AU, an NRF24L01 wireless ...