C#编写的高频RFID读卡器程序，可以实现读取卡号。主要是用于牛只编号-C# prepared by the high-frequency RFID reader program, you can achieve read the card number. Is mainly used for cattle numbers

无源读卡器的dll文件，用户可以根据dll文件进行二次开发吗。适合于RFID读取-Passive reader DLL file, users can develop two times according to the DLL document. Suitable for RFID to read