利用syncmos单片机实现对sle4442卡片的识别，利用C语言编写的，可移植性强，稍加修改就可以对其他卡进行读卡，如：4428等-Syncmos to realize the use of single-chip card sle4442 identification, the use of C language, portability, and can be slightly modified for other card reader, such as: 4428, etc.