{
  "id": "rfid-reader-writer-module-rc522",
  "name": "Rfid Reader Writer Module Rc522",
  "name_zh": "RFID 傳感器 RC522",
  "mpn": "MFRC-522",
  "category": "sensor/rfid",
  "summary_zh": "RFID傳感器RC522 包括一個13.56MHz射頻讀寫器模組、一個鈕扣IC和一張S50 RFID卡，MF RC522是一個高度集成的傳輸模組，用於13.56MHz無觸點通信。RC522支持ISO 14443A/MIFARE模式。\nPCB上採用RC522芯片，能夠調制和解調算法，可以在13.56 MHz的頻率下輕鬆實現射頻通信。該傳感器使用SPI介面，能夠輕鬆與Arduino或Raspberry Pi進行通信。\n對於大多數RFID的Arduino項目，RC522 RFID讀寫器模塊是一個不錯的選擇。它具有功耗低、成本低、相當堅固耐用、接口簡單、易於連接的特點，在Maker中非常受歡迎。",
  "specs": {
    "voltage_v": {
      "typ": 3.3
    },
    "current_ma": {
      "typ": 26
    },
    "interface": [
      "spi"
    ],
    "dimensions_mm": {
      "l": 39,
      "w": 59,
      "h": 5
    },
    "weight_g": 10,
    "sensing": {
      "measurement": "rfid"
    }
  },
  "pins": [
    {
      "name": "SDA",
      "type": "input",
      "description": "SPI chip select (CS/SS), connect to Arduino D9"
    },
    {
      "name": "SCK",
      "type": "input",
      "description": "SPI clock, connect to Arduino D13"
    },
    {
      "name": "MOSI",
      "type": "input",
      "description": "SPI MOSI, connect to Arduino D11"
    },
    {
      "name": "MISO",
      "type": "output",
      "description": "SPI MISO, connect to Arduino D12"
    },
    {
      "name": "IRQ",
      "type": "output",
      "description": "中斷輸出"
    },
    {
      "name": "RST",
      "type": "input",
      "description": "Reset, connect to Arduino D8"
    },
    {
      "name": "3.3V",
      "type": "power",
      "description": "3.3V power input, connect to Arduino 3V3"
    },
    {
      "name": "GND",
      "type": "ground"
    }
  ],
  "attributes": {
    "模式": "ISO 14443A / MIFARE",
    "工作頻率": "13.56MHz",
    "最大數據傳輸率": "10Mbit / s",
    "Arduino Library": "https://github.com/miguelbalboa/rfid"
  },
  "assets": {
    "wiring": {
      "files": [
        "wiring.jpeg"
      ],
      "license": "CC-BY-4.0",
      "source": "original"
    },
    "photos": {
      "files": [
        "photos/01.jpeg",
        "photos/02.jpeg",
        "photos/03.jpeg",
        "photos/04.jpeg",
        "photos/05.jpeg",
        "photos/06.jpeg"
      ],
      "license": "CC-BY-4.0",
      "source": "original"
    }
  },
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  ],
  "product_id": "799",
  "updated_at": "2026-09-12"
}