When [gdarchen] wanted to read some NFC tags, he went through several iterations ... But his final iteration was to make a standalone reader with an Arduino and use WebUSB to connect to the ...

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

An Arduino Nano controls ... While his goal to use an NFC ring is admirable, one of our readers took it a step further a few years ago, and starts his car with a RFID tag implanted in his hand!