AT89S51读写I2C总线实验之1602液晶显示 单片机对I2C总线的读写在实际的测量中有很大的作用，比如用AT24CXX系列存储实验数据等，现用AT89...

I2C C51模块程序。在C51项目中加入该模块程序，即可调用。测试程序可以可以演示该模块程序的使用。-I2C C51 module procedures. In the C51 project to add the module procedures, you can call. Test procedure can be demonstration of the use of the module procedures.

51单片机的at89c51 的资料信息，可以进一步了解其用法-AT89C51 MCU 51 of the information, you can learn more about its usage

单片机出租车计价器程序，51单片机版的。鱼虾从速-Singlechip Taximeter procedure, 51 single-chip version. Fish and shrimp as soon as possible

用C实现信号发生装置：1、正弦波：频率、幅度可调。 2、三角波：频率、幅度可调。 3、方 波：频率、幅度、占空比可调。 4、按键：波形切换、频率调节、幅度调节、方波占空比调节。 5、显示：信号的频率、幅度，在方波时还要显示占空比。 -Implementation using C Signal: 1, sine wave: frequency, amplitude adjustable. 2, triangle-wave: frequency, amplitude adjustable. 3, square wave: the frequency, amplitude, duty cycle adjustable. 4, button: switch waveform, frequency regulation, rate regulation, adjust the duty cycle square wave. 5, show that: the signal frequency, amplitude, when they showed at the duty cycle square wave.

C语言常用算法源代码 C语言常用算法源代码-C language source code commonly used algorithm commonly used algorithm C language source code algorithm commonly used C language source code

51单片机上对LCD的驱动程序，可以在点阵LCD上显示汉字。-51 MCU driver on the LCD can display Chinese characters on a dot matrix LCD.

单片机ＩＯ口不足，用此电路做的键盘电路和程序，就可以了 8条口线24按键的C51源程序 .rar-SCM IO insufficient use of this circuit keyboard circuit and procedures on the eight lines mouth of the 24 keys C51 source. rar

51 单片机的经常用到的子函数，非常具有参考价值。-51 SCM Functions frequently used, very useful.

dmx512通讯程序,可以接收dmx512格式的数据-dmx512 communication procedures, can receive the data format dmx512

8051单片机上4*4矩阵键盘的扫描方式1-none