{"type":"product","schema_version":"1.0","item_id":"101584090758","canonical_url":"https://tw.bid.yahoo.com/item/101584090758","title":"【現貨】 RFID射頻 RC522 附鑰匙扣 感應卡 S50 IC卡感應模組 刷卡 讀寫 Arduino 門禁 小齊的家","subtitle":"RFID射頻 IC卡感應模組  MFRC522","condition":"全新品","currency":"TWD","observed_at":"2026-07-30T00:38:24.721Z","current_price":30,"original_price":null,"stock_status":"in_stock","available_quantity":999,"sold_quantity":0,"seller":{"id":"Y1278901191","name":"小齊的家","positive_rate":null,"rating_count":null},"images":[{"url":"https://img.yec.tw/ob/image/5f9c39d4-c3dd-401b-9367-1e64cfc624e0.jpg","role":"main","alt":"商品主圖","width":null,"height":null},{"url":"https://img.yec.tw/ob/image/09ea26ca-eeac-46a9-b129-02e7f5884133.jpg","role":"detail","alt":"商品圖片 2","width":null,"height":null},{"url":"https://img.yec.tw/ob/image/039bcd7d-6e56-4a9a-a70a-4c047c33d10e.jpg","role":"detail","alt":"商品圖片 3","width":null,"height":null}],"description":"商品介紹 \n\n                                                         \n\n                RFID射頻 IC卡感應模組 \n\n                MFRC522 \n\n                 \n\n                                    商品特色：\n\n                    ●採用MFRC522晶片設計讀卡電路，使用方便，成本低廉\n\n                    ●智能儀表和便攜式手持設備研發的較好選擇\n\n                    ●利用了先進的調製和解調概念，完全集成了在13.56MHz下所有類型的被動非接觸式通信方式和協議\n\n                    ●支持14443A兼容應答器信號、數字部分處理ISO14443A幀和錯誤檢測\n\n                    ●支持快速CRYPTO1加密算法，用語驗證MIFARE系列產品\n\n                    ●支持MIFARE系列更高速的非接觸式通信，雙向數據傳輸速率高達424kbit/s\n\n                    ●MFRC522與MFRC500和MFRC530有不少相似之處，同時也具備許多特點和差異\n\n                    ●它與主機間通信採用SPI模式，有利於減少連線，縮小PCB板體積，降低成本\n\n                    ●可裝入各種讀卡器模具\n\n                     \n\n                    CUID 跟 UID 卡差別：\n\n                    【UID 卡】（一般 IC 卡）\n\n                    ●UID = 出廠燒死，不能改\n\n                    ●門禁系統讀到的是這個卡號\n\n                    ●選「空白 IC 卡」的情況\n\n                    ✔ 系統會寫入資料（不是只看 UID）\n✔ 有管理員權限，可新增卡片\n\n                    📌 特點：\n\n                    ●UID 不重要\n●主機會寫 sector 資料\n\n                     \n\n                    【CUID 卡】（可改 UID 卡）\n\n                    ●UID 可以重寫\n\n                    ●可模擬成另一張卡的卡號\n\n                    ●又叫「魔術卡」「改卡號卡」\n\n                    ●選「CUID 卡」的情況\n\n                    ✔ 老舊門禁\n✔ 系統 只認 UID、不驗資料\n✔ 你沒有管理員權限，只能「複製」\n\n                    ※此商品為 UID 卡（非 CUID 卡）\nUID 為出廠固定，無法修改卡號，請確認您的設備或系統可新增卡片後再購買。\n\n                     \n\n                    完整圖片說明：請使用電腦版(複製網址)前往查看\n                            https://www.chi-lung.com/pic/promotion/MFRC522.jpg\n\n                     \n\n                    商品規格：\n\n                     【模組】\n\n                    ●晶片型號：MFRC522\n\n                    ●使用電壓：DC 3.3V\n\n                    ●使用電流：13~26mA(工作電流)\n                               　　　　　10~13mA(空閒電流)\n                               　　　　　<80µA(休眠電流)\n                               　　　　　<30µA(峰值電流)\n\n                    ●工作頻率：13.56MHz\n\n                    ●環境溫度：-20~80°C(工作)\n   　　　　　-40~85°C(儲存)\n\n                    ●環境濕度：5~95%\n\n                    ●SPI介面傳...","shipping_methods":[{"name":"郵局掛號","fee":0,"currency":"TWD"},{"name":"宅配/貨運","fee":0,"currency":"TWD"},{"name":"7-ELEVEN取貨付款","fee":0,"currency":"TWD"},{"name":"萊爾富取貨付款","fee":0,"currency":"TWD"},{"name":"7-ELEVEN取貨不付款","fee":0,"currency":"TWD"}],"lowest_shipping_fee":null,"payment_methods":["ATM轉帳","信用卡一次付清","萊爾富取貨付款","7-ELEVEN取貨付款"],"category_id":"2092104064","category_name":"電子零件/材料","breadcrumb":[{"id":"23336","name":"電腦、平板與周邊","url":"/tw/%E9%9B%BB%E8%85%A6%E3%80%81%E5%B9%B3%E6%9D%BF%E8%88%87%E5%91%A8%E9%82%8A-23336-category.html"},{"id":"2092072621","name":"耗材與線材","url":"/tw/%E8%80%97%E6%9D%90%E8%88%87%E7%B7%9A%E6%9D%90-2092072621-category.html"},{"id":"2092104064","name":"電子零件/材料","url":"/tw/%E9%9B%BB%E5%AD%90%E9%9B%B6%E4%BB%B6-%E6%9D%90%E6%96%99-2092104064-category.html"}],"view_count":0,"watch_count":0,"hashtags":["MFRC522","IC卡","鑰匙扣","感應模組","RFID"]}