###Note : What I really did is just simple change the import file import RPi.GPIO as GPIO to import Matrix.GPIO as GPIO

Nanopi M1 Matrix-python(edit pin for nanopi m1) https://github.com/friendlyarm/matrix-python/tree/master/Matrix.GPIO

If you are using other version nanopi, you can reference to https://github.com/friendlyarm/matrix/blob/master/lib/gpio.c

(default as Nanopi 2 version gpio pins) https://github.com/friendlyarm/matrix-python/blob/master/Matrix.GPIO/gpio.c

change the matrix-python/Matrix.GPIO/gpio.c pin to your current nanopi corresponding gpio pin.. then install your version of Matrix.GPIO

A small class to interface with the NFC reader Module MFRC522 on the Nanopi .

This is a Python port of the example code for the NFC module MF522-AN.

##Requirements This code requires you to have SPI-Py installed from the following repository: https://github.com/lthiery/SPI-Py

The libirary for Nanopi GPIO access (pins for Nanopi 2) https://github.com/friendlyarm/matrix-python/tree/master/Matrix.GPIO

• alternative Matrix-python(edit pin for nanopi m1) https://github.com/friendlyarm/matrix-python/tree/master/Matrix.GPIO

##Examples 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 check http://nanopi.io/nanopi-m1.html for reference for Nanopi m1. If you need other Pi GPIO refernce for FramilyArm site youself.

image in http://www.theengineeringprojects.com/2015/08/interfacing-rfid-rc522-arduino.html

##Usage Import the class by importing MFRC522 in the top of your script. For more info see the examples.