树莓派安装配置MFRC522模块_树莓派下载mfrc522库

一、开启树莓派SPI接口

1. 打开Paspberry Pi Software Configuration Tool

raspi-config
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2. 选择Interfacing Options
3. 开启SPI

二、安装SPI接口支持库

sudo apt-get install python-spidev python3-spidev
cd ~
git clone https://github.com/lthiery/SPI-Py.git
cd SPI-Py
git checkout 8cce26b9ee6e69eb041e9d5665944b88688fca68
sudo python setup.py install
sudo python3 setup.py install
cd ~
git clone https://github.com/mxgxw/MFRC522-python.git
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三、使用MFRC522-python内的实例进行测试

cd MFRC522-python
python Read.py
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引脚连接图

SDA     24     GPIO8 
SCK     23     GPIO11 
MOSI    19     GPIO10 
MISO    21     GPIO9 
IRQ     None    None 
GND     Any     Any Ground 
RST    22     GPIO25
3.3V    1      3V3
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