Contactless payment ring – A tutorial on NFC antenna coil design

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Jatinder has tipped us with this latest post. He writes:

 I have a done a video about a contactless payment (NFC) ring that I have made. The video talks about NFC antenna coil design and how I used the concepts to make the wearable ring.

Contactless payment ring – A tutorial on NFC antenna coil design – [Link]

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