4x4矩阵键盘原理
代码说明:
说明: 通过keil编写矩阵程序,在proteus8软件上搭建工程,然后将源代码导入protues8软件中的AT89C51芯片里,以实现矩阵键盘的原理,16个按键分别表示0-9和A-F等16个字符。(Matrix program written by keil, build on proteus8 software engineering, and then the source code to import protues8 AT89C51 chip in software, in order to realize the principle of matrix keyboard, 16 buttons respectively 0-9 and A - F.)
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