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在 arduino 上,一张 mifare 卡是不同的 UID。使用 mfrc522 读取:30166134113(DEC)和 Wiegang 34:1904649758(DEC)可能将 UID 从 Wiegang 34 转换为 mfrc522 代码?
所以答案似乎是一些读者以相反的顺序返回字节,这导致十进制转换大不相同。