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3D printed contactless payment ring - A tutorial on NFC antenna coil design

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UltraTechie

In this video I talk about NFC antenna coil design and how I applied the concepts to put my contactless payment card into a 3d printed wearable ring.

References:

NFC TagInfo Android App by NXP
https://play.google.com/store/apps/de...

Coil inductance calculator:
http://www.eeweb.com/toolbox/coilind...

LC resonance frequency calculator:
http://www.1728.org/resfreq.htm

PCB NFC antenna design tool by ST:
http://www.st.com/web/en/catalog/mmc/...

Some application notes with much more information on the subject:
http://ww1.microchip.com/downloads/en...
http://www.st.com/stwebui/static/ac...

posted by Bahnweg8a