rfid reader

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  1. L

    RFID Sub-Microcontroller

    Hello! After a little back and forth, I’ve decided on trying my luck with RFID for identifying Chess Pieces on a board. I’m thinking of using PN532 RFID readers to identify the tags under chess pieces. These PN532’s would be plugged into their own little microcontroller, and then those would...
  2. L

    RFID vs NFC - Chess

    Heya! I want to design a chess board which can ID the various pieces. I’ve read plenty posts here before, and I want to clarify I would like there to be no visible electronics and for the identification to not rely on pre-programmed positions. I’ll be using Arduino 4, but i’ve got a Raspberry...
  3. A

    Need Help With Understanding an IRID Reader Circuit

    Hello, I am trying to understand how the ASK 125KHz RFID reader on page 140 of this pdf works (4.0 ASK READER SCHEMATIC, Page 134 of the document): https://ww1.microchip.com/downloads/en/devicedoc/51115f.pdf My understanding is that RFID data is modulated on a 125KHz carrier signal and the...
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