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.

Physical NFC tags are used in contactless payment systems, smart home devices, wearables, and unexpected places like business cards and promotional materials. Hobbyists and smart home enthusiasts ...

NFC tags come in a variety of shapes and sizes. The simplest ones are often built in the form of a square or circular sticker, and you’ll even find one embedded inside most credit cards.

An NFC tag is an unpowered chip, small and thin enough to be embedded in posters, movie passes, business cards, medication bottles, stickers, wristbands, key fobs, pens, hang tags, and more.

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