RFID / NFC Smart Ring - Size 8 - NTAG213 [Discontinued] _MAKE_KITS Only one pin (Digital #6)

Only one pin (Digital #6) is required to control all the LEDs

You even get a few bonus terminals for extra GND and four 'free' terminals for whatever connections you wish

you can pick one up locally or order one from us

Use only Lipoly batteries with protection circuitry

16 sec (@ 6

RFID / NFC Smart Ring - Size 8 - NTAG213 [Discontinued] _MAKE_KITS Only one pin (Digital #6)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! NFC (near field