Based on the C51 microcontroller 4* 4 matrix keyboard scanning. There simulation and procedures, digital display, can be used to learn the basics of the keyboard scan matrix. And can be extended.

4×4键盘\仿真\1.DSN
........\....\1.PWI
........\....\Last Loaded 1.DBK
........\程序\1
........\....\1.c
........\....\1.hex
........\....\1.lnp
........\....\1.LST
........\....\1.M51
........\....\1.OBJ
........\....\1.plg
........\....\1.uvopt
........\....\1.uvproj
........\....\1_uvopt.bak
........\....\1_uvproj.bak
........\仿真
........\程序
4×4键盘

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