micropython NFC代码
时间: 2023-07-09 19:42:06 浏览: 335
以下是一个简单的Micropython NFC读取程序示例:
```python
import mfrc522
from machine import Pin, SPI
# 定义SPI引脚
sck = Pin(14, Pin.OUT)
mosi = Pin(13, Pin.OUT)
miso = Pin(12, Pin.OUT)
spi = SPI(baudrate=100000, polarity=0, phase=0, sck=sck, mosi=mosi, miso=miso)
# 定义MFRC522引脚
sda = Pin(15, Pin.OUT)
rst = Pin(16, Pin.OUT)
# 初始化MFRC522
mfrc = mfrc522.MFRC522(spi, sda, rst)
while True:
# 检测卡片
(stat, tag_type) = mfrc.request(mfrc.REQIDL)
if stat == mfrc.OK:
# 获取卡片UID
(stat, uid) = mfrc.anticoll()
if stat == mfrc.OK:
# 打印卡片UID
print("Card detected: ", uid)
```
请注意,您需要在使用此程序之前安装MFRC522模块。您可以使用以下命令安装:
```
upip.install('micropython-mfrc522')
```
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