Questions tagged [nfc]
For questions about devices that use near-field communication for data transfer.
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Cheap RFID/NFC reader and *writer* which has a programmable (serial port?) interface?
I would like to use an ESP32, would settle for Raspberry PI. I seek an RFID and/or NFC reader/writer, which I can use C/C++/Python code to read and write the serial number (terminology?) of a tag.
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Can PN532 RFID used as a dynamic tag?
I have a use case where a device with NFC setup should act as tag and that tag configuration would be different every time with different URL mapped to the tag.
For example, the device tag will have ...
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What kind of tablet device with android operating system would possibly support EXTERNAL DEVICES plugged with USB?
I've been given a work task that requires to establish a connection between external usb device plugged into an android device, however, I cannot seem to find any tablets that are able to perform this....
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Possible to send a file through NFC or through something similar?
I have done few hours of research on this and have yet to find something.
To be specific, Is it possible to simply tap (as you would with NFC to pay cardless) your phone on a tag (or something similar)...
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Wired NFC tag that is dynamic and programmable
I'd like to send files from a computer (via my software) to an NFC tag (that can be read by an iPhone, similar to Apple Pay), but also be able to overwrite that same tag with another file on demand. ...
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Thin Clients that support hardware authentication tokens (Smart Card, NFC etc)
we are looking to overhaul the hardware in use in our warehouse environment. I would like to go for thin clients, with a browser only interface (the only app these clients will be accessing is a web ...
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Dual-interface JavaCard on wafer with ECDSA (and I2C)
I'm looking for a JavaCard model that supports dual-interface (ISO 7816+14443), with ECDSA acceleration and optionally I2C interface. Available in wafer for custom NFC antenna and flip-chipping. Do ...
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Are there NFC transmitters/readers that plug into the 3.5mm audio port on my phone?
I have a Moto E5 Play, which does not have built-in NFC capabilities. I'd like to be able to use Google Pay and other apps that require NFC. Are there NFC transmitters/readers that plug into the 3.5mm ...
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Inexpensive NFC reader for (Windows & Linux) login
I see cheap NFC rings on eBay and elsewhere. I was wondering if there is a very cheap NFC reader which I could use to detect such a ring and use it as an HID keyboard (probably over USB) to input my ...
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Budget phone with NFC
I'm looking to buy a smartphone in the U.S. that has NFC and clean Android (i.e., no bloatware). I'm also looking for a phone that is reasonably priced and that has a decent processor. I know these ...
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hands-free Android NFC reader
I am looking for an Android device with NFC reader capabilities, which must be rugged (professional outdoor use) and possibly leaving the operator with free hands. My first choice would be a ...
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Homemade NFC scanning antenna?
I have been reading about NFC and was wondering If it was possible to make a NFC scanner antenna to read NFC signals from a further distance. I do understand that the N in NFC stands for Near that's ...
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Apple security fob
I work with a software development team inside local government. Our team have developed an app for Apple IPhone 6 SE with Cordova that requires carers to "check-in" to client visits. Clients ...
Scott
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NFC wand (or shield, or other) for Raspberry Pi
I am developing a system to register visitors. The visitors wear a wristband containing an NFC tag.
In order to read the tag, I am currently using a cheap Samsung Android phone, with built in NFC ...