RC522 based modules for Arduino etcetera. Not Recommended.


  • Community Helper

    This RC522 based module, while it does work with the NFC Rings has a very poorly matched design and has difficulty triggering a read except in one very specific spot for each ring.
    Not recommended for use with the NFC Ring.
    Available on ebay in various colours, usually rebadged by the seller.



  • I'm having problems getting the RC522 to detect my NFC ring. Any tips on chip settings or tuning to make it work?


  • Community Helper

    In all honesty, my number one tip would be "choose something else". It does not work well with the NFC Ring, as per title and post content.



  • has difficulty triggering a read except in one very specific spot for each ring

    Does it apply to 2016 2015 models, or only for original ones?


  • Community Helper

    As my original post says, the matching is very poor. I don't recommend the RC522 with small form factor NFC tags, it's not what that unit is good at doing.


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