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

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

13.56MHz RFID/NFC Card - NTAG213 Chip : ID 4034 : $2.95 : Adafruit Industries, Unique & fun DIY electronics and kits

NFC Smart Ring - RFID tag manufacturer

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

Wireless, RFID / NFC Products Category on Adafruit Industries

RFID / NFC Smart Ring - Size 9 - NTAG213 : ID 2803 : $44.95 : Adafruit Industries, Unique & fun DIY electronics and kits

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

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

RFID / NFC Smart Rings - Multiple Sizes - NTAG213 : ID 3041 : $0.00 : Adafruit Industries, Unique & fun DIY electronics and kits

Nfc Ring

RFID / NFC Smart Ring - Size 11 - NTAG213 : ID 2805 : $44.95 : Adafruit Industries, Unique & fun DIY electronics and kits

adafruit-RFID / NFC Smart Ring - Size 8 - NTAG213