104键PS2接口标准键盘程序（C语言）,通过测试可以！程序简单易懂。基于ICCAVR编译器-104 key PS2 keyboard interface standard procedures (C language), can pass the test! Procedures easy to understand. Based on ICCAVR compiler

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avr单片机的16矩阵键盘程序，能够控制4行4列的键盘-avr microcontroller 16 matrix keyboard program can control the keyboard 4 rows 4