RFID Unit

RFIDUnit 是一款用于 RFID 卡读写操作的硬件模块。它扩展了 MFRC522 驱动，支持卡片检测、读取、写入，以及选择和唤醒 RFID 卡等高级功能。

支持以下产品：

MicroPython 应用示例

# SPDX-FileCopyrightText: 2024 M5Stack Technology CO LTD
#
# SPDX-License-Identifier: MIT

import os, sys, io
import M5
from M5 import *
from hardware import *
from unit import RFIDUnit
import time


title0 = None
i2c0 = None
rfid_0 = None


def setup():
    global title0, i2c0, rfid_0

    M5.begin()
    Widgets.fillScreen(0x222222)
    title0 = Widgets.Title(
        "RFIDUnit CoreS3 Example", 3, 0xFFFFFF, 0x0000FF, Widgets.FONTS.DejaVu18
    )

    i2c0 = I2C(0, scl=Pin(1), sda=Pin(2), freq=100000)
    rfid_0 = RFIDUnit(i2c0)


def loop():
    global title0, i2c0, rfid_0
    print(rfid_0.is_new_card_present())
    print(rfid_0.read_card_uid())
    print(rfid_0.read(1))
    time.sleep_ms(100)


if __name__ == "__main__":
    try:
        setup()
        while True:
            loop()
    except (Exception, KeyboardInterrupt) as e:
        try:
            from utility import print_error_msg

            print_error_msg(e)
        except ImportError:
            print("please update to latest firmware")