RC522 card reader, STC89C52 microcontroller, lCD1602 showed that key set amount

RC522， PC机串口控制LCD1602显示\abc
...............................\abc.hex
...............................\abc.lnp
...............................\abc.M51
...............................\abc.Opt
...............................\abc.plg
...............................\abc.Uv2
...............................\abc_Opt.Bak
...............................\abc_Uv2.Bak
...............................\MAIN.C
...............................\MAIN.H
...............................\MAIN.LST
...............................\MAIN.OBJ
...............................\MFRC522.H
...............................\RC522.C
...............................\RC522.LST
...............................\RC522.OBJ
...............................\STARTUP.A51
...............................\STARTUP.LST
...............................\STARTUP.OBJ
RC522， PC机串口控制LCD1602显示

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