RFID / NFC Smart Rings - Multiple Sizes - NTAG213 : ID 3041

Adafruit Industries, Unique & fun DIY electronics and kits RFID / NFC Smart Rings - Multiple Sizes - NTAG213 : ID 3041 - What did Lord Sauron, when forging the One Ring in the fires of Mount Doom forget to include in his all powerful ring? What did he forget to leave out of the ring impervious even to dragon fire, designed to rule over all free peoples of Middle Earth in perpetuity - a ring destined
What did Lord Sauron, when forging the One Ring in the fires of Mount Doom forget to include in his all powerful ring? What did he forget to leave out of the ring impervious even to dragon fire, designed to rule over all free peoples of Middle Earth in perpetuity - a ring destined to be the One Ring to Rule Them All, to tempt its wearer with the promise of infinite power? Thats easy - it could have used an embedded RFID/NFC transponder!

Eco-friendly Wood NFC Ring Payment NTAG213 Smart Finger Ring

RFID / NFC Smart Ring - Size 12 - NTAG213 : ID 2806 : $44.95 : Adafruit Industries, Unique & fun DIY electronics and kits

Eco-friendly Wood NFC Ring Payment NTAG213 Smart Finger Ring

NFC Smart Ring, NFC Multi-Function Smart Rings Magic Wearable Device for Mobile Phone, 6/7/8/9/10/11/12/13 inch Optional(8inch) : Electronics

Eco-friendly Wood NFC Ring Payment NTAG213 Smart Finger Ring

Eco-friendly Wood NFC Ring Payment NTAG213 Smart Finger Ring

RFID / NFC Smart Ring - Size 10 - NTAG213 : ID 2804 : $44.95 : Adafruit Industries, Unique & fun DIY electronics and kits

R5 Smart Ring with Dual RFID, NFC and ID Chip

R5 Smart Ring with Dual RFID, NFC and ID Chip

No charge / depth waterproof, built-in ultra-sensitive NFC chip, no electricity to work, easy to wear. Multi-functional NFC smart ring, the main

NFC Smart Ring, Smart Ring, Waterproof Universal for Mobile Phone(size9)

NFC Smart Ring, NFC Multi-Function Smart Rings Magic Wearable Device for Mobile Phone, 6/7/8/9/10/11/12/13 inch Optional(8inch) : Electronics

2803 RFID Transponder Tools RFID / NFC Smart Ring - Size 9 - NTAG213

2803 RFID Transponder Tools RFID/NFC Smart Ring - Size 9 - NTAG213