PROTUS 51单片机4X4键盘数码管按键显示
....................................\4X4键盘接口
....................................\...........\keyboard_interface
....................................\...........\keyboard_interface.c
....................................\...........\keyboard_interface.hex
....................................\...........\keyboard_interface.LST
....................................\...........\keyboard_interface.M51
....................................\...........\keyboard_interface.OBJ
....................................\...........\keyboard_interface.opt.bak
....................................\...........\keyboard_interface.plg
....................................\...........\keyboard_interface.Uv2.bak
....................................\...........\keyboard_interface.uvopt
....................................\...........\keyboard_interface.uvproj
....................................\...........\keyboard_interface_Opt.Bak
....................................\...........\keyboard_interface_Uv2.Bak
....................................\4矩阵键盘数码管显示.DSN