89C51 microcontroller based on the 4* 4 keyboard emulation program period, including the source code, such as source code that can be used Responder microcontroller-based design, functionality including start, reset, answer, terminate, displaying a series of functions.

C51矩阵
.......\shuma
.......\shuma.c
.......\shuma.lnp
.......\shuma.LST
.......\shuma.M51
.......\shuma.OBJ
.......\shuma.opt.bak
.......\shuma.plg
.......\shuma.Uv2.bak
.......\shuma.uvopt
.......\shuma.uvproj
.......\shuma_Opt.Bak
.......\shuma_Opt.Bak.del
.......\shuma_Uv2.Bak
.......\shuma_Uv2.Bak.del
.......\shuma_uvopt.bak
.......\shuma_uvproj.bak
.......\矩阵2.hex

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