Powered by “a nice little NFC EEPROM from NXP”, (the NT3H1101) the business card even has an energy harvesting mode. Moreover, one can interact with the card via four buttons and an LED.

The card has an NFC chip that allows it to relay your contact information directly to another party's smartphone with just a tap, eliminating the need for paper business cards and the physical ...

They also provide more efficient functionality than traditional RFID chips ... like business cards and promotional materials. Hobbyists and smart home enthusiasts can create NFC tags to automate ...