A small class to interface with the NFC reader Module MFRC522 on the Raspberry Pi. This is a Python port of the example code for the NFC module MF522-AN.
Important notice: This library has been confirmed to work with the Pi Zero W, Pi 3 B +, and Pi 3 A+. It uses an updated version of SPI-Py that fixes a memory leak in the original SPI-Py code. The fix modifies the spi interface slightly, and this repository reflects that change. Additional changes are in progress to improve performance.
This is an updated version of the nafleefer MFRC522 build. It has been altered to run in GPIO.BCM mode (as opposed to GPIO.BOARD). This was necessary to support the MagicBand Reader in my repository. Additionally, I have updated Write.py to work with python3 (fixed print statements). I have also removed the original Read.py and replaced it with MyReader.py.
This code requires you to have SPI-Py installed from the following repository: https://github.com/naleefer/SPI-Py
This repository includes a couple of examples showing how to read, write, and dump data from a chip. They are thoroughly commented, and should be easy to understand.
You can use this image for reference.
| Name | Pin # | Pin name |
|---|---|---|
| NSS or SDA | 24 | GPIO8 |
| SCK | 23 | GPIO11 |
| MOSI | 19 | GPIO10 |
| MISO | 21 | GPIO9 |
| GND | Any GND (6) | Any Ground |
| RST | 22 | GPIO25 |
| 3.3V | 1 | 3V3 |
Import the class by importing MFRC522 in the top of your script. For more info see the examples.
This code and examples are licensed under the GNU Lesser General Public License 3.0.