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keypad
- 单片机矩阵键盘编程,内部附有详细的说明，读者可以参阅-source of keypad for C51
keypad
- 4*4矩阵键盘（查表法） （C51环境）-4* 4 matrix keyboard (look-up table) (C51 environment)
89c51_GLCD_Sound_Keyboard
- 89c51 interface GLCD & sound & Keypad
C51-dianziqin
- 51单片机电子琴C程序,通过这程序利用4X4矩阵键盘输出到蜂鸣器发音实现电子琴功能，非常简单实用！-51 MCU organ C program, through this process the use of 4X4 matrix keypad output to a buzzer sounds to achieve organ function, is very simple and practical!
asdw
- 89C51的矩阵键盘扫描程序，很好的程序呢，我试过了，还是我的作业呢。通俗易懂，希望对你有帮助。-89 C51 matrix keypad scanning program, very good program? I tried, or my homework. Easy to understand, the hope is helpful to you.