利用PWM原理控制电磁阀的实例，对于这方面研究的人很有价值...

实现对ADE7758电能芯片的读写和校准,8051单片机,通过PC对电参量进行校准-Realize on-chip ADE7758 energy literacy and calibration, 8051, through the PC on the electrical parameter calibration

89c51的iic 读写的程序-89C51 to read and write procedures for the IIC

CAN 驱动程序 源码 经军DEVICENET的前提！-CAN driver source code as a prerequisite for military DeviceNET!

基于AT89C2051的照明系统控制程序，实现照明设备的自动控制。-AT89C2051-based lighting systems control procedures, to achieve automatic control of lighting equipment.

支持SD卡的MP3电路图,powerpcb4.0格式.使用AVR单片机-support the SD card MP3 circuit diagrams powerpcb4.0 format. Use AVR

《单片机高级语言c51应用程序设计》是针对单片机编程专门编写，具有很高专业性。-"MCU Advanced Language decoder design applications" was due to the preparation of specialized microcontroller programming with the highly professional.

与epson m-150打印机通信，但是有些错误，希望高手指正一下-With epson m-150 printer communication, but some mistakes, hope you can correct me about

SST89E58RD仿真器的制作有关的PCB,说明和监控程序,可以用来对51单片机进行仿真-SST89E58RD simulator produced the PCB, description and control procedures can be used for 51 single-chip simulation

用串口DA5615实现数摸转化，并在LED上显示。单片机部分，并在KEIL下运行-With serial number DA5615 realize transforming touch, and LED display. Single-chip part, and run under KEIL

用单片机I/O口模拟总线形式的通用驱动程序，用C51编写-MCU I/O simulation generic form of bus drivers, prepared with C51