avr Singlechip keyboard scanning and lcd and led display

矩阵键盘
........\1213.DSN
........\1213.PWI
........\Last Loaded 1213.DBK
........\Last Loaded LCD显示.DBK
........\Last Loaded 键盘和显示(可读键值).DBK
........\Last Loaded 键盘和显示.DBK
........\Last Loaded 键盘和显示666.DBK
........\LCD显示.DSN
........\LCD显示.PWI
........\键盘和显示(led).DSN
........\键盘和显示(led).PWI
........\键盘和显示(可读键值).DSN
........\键盘和显示(可读键值).PWI
........\键盘和显示.DSN
........\键盘和显示.PWI
........\键盘和显示666.DSN
........\键盘和显示666.PWI

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