RFID读卡器TRH031开发源码，能读出5种协议的射频卡-RFID reader development TRH031 source, allowed to deliver five kinds of RF card protocol

可以读出常见的五种格式的ID卡卡号，本作者使用的是YX-K4-232读写器，其它读写器应该可以通用！(You can read the ID cards in five common formats. The author uses the YX-K4-232 reader, and other readers should be versatile!)