Uploaded November 2018 | Updated September 2026, 2 weeks ago

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Simple and cheap NFC Scanner project.

Features:
- any Arduino or supported MCU
- cheap RC522 module (currently available for about $1-1.20)
- uses MRC522 library
- OLED screen for output
- Should work with most 13.56 MHz cards and tags
- MRC522 module should be used with 3.3V but it works at 5V too
- To scan Visa payWave and MasterCard PayPass cards use 5V or better external coil

All connections described in the code.
Source code is available here:
github.com/cbm80amiga/RFID_Scanner_OLED

If you find it useful and you want to buy me a coffee or a beer:
paypal.me/cbm80amiga