產品詳情：

The MFRC523 is a highly integrated transmission module for contactless communication at 13.56 MHz. This
transmission module utilises an outstanding modulation and demodulation concept completely integrated for different
kinds of contactless communication methods and protocols at 13.56 MHz.
The MFRC523 transmission modules support the following operating mode:
Reader/writer mode supporting ISO 14443A and ISO14443B/ MIFARE