一个用MF_RC500芯片开发的RFID系统的单片机源程序，里面实现了RFID许多命令功能。-The development of an RFID chip with MF_RC500 system microcontroller source, which implements RFID features a number of commands.

读写芯片MFRC500，MFRC400，MFRC531，MFRC632的RFID读写器读写程序。-RFID chip of MFRC500 , MFRC400, MFRC531, MFRC632 for reading and writing, reading and writing program.

MFRC500读写程序 可以读出卡号，可以修改读出扇区数据，可以修改扇区数据，也可以加密 数据可以在1602液晶上显示(MFRC500 read and write procedures for 1602 LCD)