File list (Check if you may need any files):
YHY502C_SDK_cn\YHY502C_SDK_cn\Contactless module selection guide.pdf
..............\..............\hy502 demo sch.rar
..............\..............\Mifare S50 en.pdf
..............\..............\XOR.exe
..............\..............\YHY502C2PCPORT.JPG
..............\..............\YHY502C_v2.5_CN.pdf
..............\..............\YHY5XXconnecttoantenna.JPG
..............\..............\有关S50的AB密钥浅谈.pdf
..............\..............\HY502C DEMO v2.3\AT89S52.H
..............\..............\................\HY502.h
..............\..............\................\HY502C_UART
..............\..............\................\HY502C_UART.hex
..............\..............\................\HY502C_UART.lnp
..............\..............\................\HY502C_UART.M51
..............\..............\................\HY502C_UART.Opt
..............\..............\................\HY502C_UART.plg
..............\..............\................\HY502C_UART.Uv2
..............\..............\................\HY502C_UART_Opt.Bak
..............\..............\................\HY502C_UART_Uv2.Bak
..............\..............\................\LCD1602.h
..............\..............\................\main.C
..............\..............\................\main.C.bak
..............\..............\................\main.h
..............\..............\................\main.LST
..............\..............\................\main.OBJ
..............\..............\................\STC89C51.H
..............\..............\................\TEMP.LST
..............\..............\................\Untitled
..............\..............\................\WAVE.LIN
..............\..............\hy502 demo sch\hy502 demo sch\HY502-pcblib.lib
..............\..............\..............\..............\HY502_DEMO.sch
..............\..............\lpk.dll
..............\..............\hy502 demo sch\hy502 demo sch
..............\..............\HY502C DEMO v2.3
..............\..............\hy502 demo sch
..............\YHY502C_SDK_cn
YHY502C_SDK_cn