TLC2543 driver

C51很好的IO模拟串口程序，也称软件UART。只需用一个定时器，实现中断接收。程序编写得很规范，有很多个晶振频率和串口频率可选。是一个比较好的软件串口程序。-C51 a good simulation of serial IO program, also known as the software UART. Just use a timer to achieve interrupt reception. Programming very standardized, there are many a crystal oscillator frequency and the frequency of an optional serial port. Is a relatively good software serial programs.

提供信号发生芯片AD9833的使用实例。包括命令字的初始化以及一个通用波形发生函数。-provide signal generation chip AD9833 examples of the use. Including the order of the words and initialize a common occurrence waveform function.

用与计算机的串口通信， MAX232转4-Bunches of communication that used with the computer , MAX232 change into 4

keil C51 Bits2事例-examples Bits2

led大屏幕点阵 有程序参考，在灯饰上用处很大！-led large screen dot-matrix program has a reference on the use of lighting at great!

单片机常用芯片和器件手册，介绍了与MS－51相关的常用芯片和器件。-Single-chip microcomputer chips and devices commonly used manual introduction with MS-51-related chips and devices commonly used.

51中文拼音输入法C源程序-51 Chinese Pinyin input method C source

电梯的51单片机控制资料(电路图+工程代码)-51 Singlechip elevator control data (circuit diagram+ Project code)

本文介绍了AT89C2051单片机的性能和特点，并在分析了超声波测距原理的基本系统框图。该设计系统经校正后，其测量精度可达0.1米-This paper introduces the AT89C2051 MCU performance and features, and the analysis of the basic principle of ultrasonic distance measurement system block diagram. The design system has been corrected, the measurement accuracy up to 0.1 meters

51单片机驱动DHT11温湿度传感器并成功在数码管上显示，压缩包内有驱动后的照片。-51 MCU-driven DHT11 temperature and humidity sensors and successfully in the digital tube display, compression packages have driven after photos.