RFID / NFC Smart Ring - Size 12 - NTAG213 [Discontinued] Brand_Devantech specifically designed to be strong

specifically designed to be strong and lightweight

1"/25mm wide and has conductive adhesive on one side and a protective paper backing over the adhesive

a 5V 4A for a couple meters

3V @ 300mA LDO regulator

RFID / NFC Smart Ring - Size 12 - NTAG213 [Discontinued] Brand_Devantech specifically designed to be strongWhat 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! NFC (near field