Questions tagged [nfc]

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NP532 doesn't detect NTAG213 tag

I'm using a PN532 module to read/write NTAG213 tags. They both should be working at 13.56 MHZ, and Adafruit should support these tags in their library. The Arduino Uno board and the module are ...
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36 views

Connecting NFC reader and fingerprint scanner to arduino

Im new to NFC and am currently working on a project dealing with NFC and security, where I use biometrics to authenticate NFC cards, when being used during payments. I've been able to get both the ...
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using PN532 chip on arduino

I've recently purchased an NFC-PN532 module online, which I connected to my arduino board and tried to get working. After connecting the pins and using the PN532 adafruit lib I encountered and error ...
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31 views

Unable to connect PN532 Board to Arduino Uno

I'm attempting to connect this PN532 NFC Board to an Arduino UNO using SPI. Currently my arduino is unable to recognize the board and I'm not sure whats the root of my issue. I'm using the Adafruit ...
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87 views

Serial Hangs with multiple PN532 nfc reader and a TCA9548A

I am trying to use multiple PN532 reader. I have put all my readers on a multiplexer (TCA9548A). The script works well, but when I move my tags on readers sometimes the serial says to me there is an ...
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51 views

guidance on Mikrobus NFC tag and connecting to arduino

I've recently purchased an NFC tag reader from MikroE and ive been a little lost on connecting the reader to my arduino board. I've also been looking online for a library that i could use for this ...
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68 views

NFC library for M24SR64

Im currently working on a project where i build an NFC device and needed some guidance in regards to the library needed for the NFC chip to work on the Arduino IDE. The chip is an M24SR64 chip and i'...