基于mips CPU，uboot下flash读与LCD显示程序。

为了使大家对PCI有更加深刻的印象，在以后的学习过程中更加好的使用它-for use

采用12位MAX 197对外部信号采样。采用全周波傅立叶积分算法，对采样信号进行处理，对电力系统的电压有效值、功率等特征量进行实时在线监测；采用全数字测量法测量相位差；并采用自适应技术调整采样间隔，消除非同步采样对计算造成的误差，利用PIC18F458捕获功能实时监测电力系统频率波动，修订采样间隔。分析了各量的测量误差，均达到标准。并提供友好的人机交互界面。-used 12 MAX 197 pairs external signal sampling. Using Fourier-Cycle Integration Algorithm for the sampling signal processing, power systems to the RMS voltage, power characteristics of the volume in real-time on-line monitoring; All digital measuring method phase difference; Adaptive technology and the sampling interval, the elimination of non-synchronous sampling of the calculation error using PIC18F458 capture real-time monitoring of power system frequency fluctuations amended sampling interval. The analysis of the measurement error are up to standard. And to provide a friendly man-machine interface.

用C实现数字电压电流表：1、由外部输入直流电压电流，电压范围20V，电流范围1A； 2、电压/电流通过开关切换； 3、显示：数码管显示电压值/电流值，精度0.01。 -Implementation using digital voltage ammeter C: 1, by the external input DC voltage and current, voltage range of 20V, the current scope of 1A 2, voltage/current through the switch 3, Display: Digital display voltage/current value, the accuracy of 0.01.

键盘扫描LED驱动芯片ch451资料及c语言源代码-keyboard scan LED driver chip ch451 information and c language source code

USART在单片机里的通用c程序，保证好用-USART in SCM

用AVR单片机和RTL8019实现TCP/IP协议．支持ARP,PING,UDP,TCP,HTML网页显示等功能．-Using AVR MCU and RTL8019 realize TCP/IP protocol. Support for ARP, PING, UDP, TCP, HTML page functions.

这是MC9S12DG128定时器模块中脉冲累加器应用实例-This is MC9S12DG128 timer pulse accumulator module Applications

uip源代码（for 8/16位单片机）-East source code (for 8/16-bit microcontroller)

基于51最小系统的LCD显示程序,包括电路图,源程序-51 based on the smallest system LCD display program, including schematics, source code

8051系列变速器简介