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  • Author Author: mubeen.abbas
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NFC Tandem concept: combine NFC reader and connected tag solution

mubeen.abbas



NFC Tandem offers best of both worlds:

 

An NFC reader and a passive connected tag sharing one antenna. A user can interact with the device when it is powered off (through the NTAG I²C plus); when the device is powered, it can interact with cards, P2P devices or other connected tags.image

 

                                                         

 

NFC Tandem Uses Cases and Applications:

  • One-touch pairing
    • WiFi with phone, or card
    • Bluetooth with phone, headset, speaker
image
  • IoT network node commissioning
  • User identification with badge or phone
  • Authentication and configuration of consumable and accessory
  • Zero-power parametrization
  • Zero-power firmware update
  • Zero-power diagnosis and maintenance

 

 

NFC Tandem Demo:

NFC Tandem concept is demonstrated using NFC Tandem reference board:

image

 

The demo can run on either:

UDOO Neo

image

Download UDOO Neo demo image
or
Raspberry Pi imageDownload Raspberry Pi demo image

 

 

Video of the demo:

 

 

https://video-svc.jivesoftware.com/videos/4e71511271edd/assets/13203296/play.mp4?auth_token=27f02fdd90389b1667c3cd19b640…

 

 

NFC Tandem References:

PN7150

High performance NFC controller, supporting all NFC Forum modes, with integrated firmware and NCI interface

NTAG I²C plus

NFC Forum Type 2 Tag with I²C interface

 

NFC Tandem Documents:

User Manual and reference schematics are attached to this document

Attachments:
DesignFiles_NFCTandem-v2_0.zip
imageUM11072.pdf