使用PROTUES仿真，C语言编程，8255与89C51控制LED的时钟电路。

本人编制且正在使用的c51键盘读取程序，抗抖动性能好，很好用。--A C51 keyboard value read program written by me. It is very stable, even when dithering.

SVPWM程序,用于三相异步电机变频器的开发和应用-SVPWM procedures for the three-phase asynchronous motor inverter development and application

这个是用muxpulsII制作的有时钟功能的电路是属于数字逻辑的--A circuit with clock function. It is made by muxpulsII and belong to numeric logic category.

fx469驱动程序的源代码,运行在uClinux中,嵌入式设计-fx469 driver source code, which runs on uClinux, embedded design

基于TMS320LF2407A变频器源程序，使用CSS，汇编语言开发，对于有兴趣使用2407进行变频器开发的人来说比较有帮助。

步进电机控制程序，c语言版： P3^3接步进电机 ,正向到位传感器 ,为 0 停机 P3^4接步进电机 ,反向到位传感器 ,为 0 停机 P3^5 接刹车控制继电器 0 电位有效 P3^6接主电机控制继电器 0 电位有效 -Stepper motor control program, c language version: P3 ^ 3 then stepping motors, sensors are in place for 0 downtime P3 ^ 4 next stepper motor, reverse sensors in place, down to 0 then P3 ^ 5 Brake Control Relay 0 effective potential P3 ^ 6 then the main motor control relay 0 potential effective

三星芯片S3C2440的BOOT源代码，已验证可用-Samsung S3C2440 chip, the BOOT source code has been verified can be

I2C总线的串行扩充技术--Serial expansion technique for I2C bus.

protel转pads的工具，原理图和PCB都可以直接进行转换-Protel to pads of the tool, schematic diagram and PCB can be directly converted

IC 读写功能 代码仅供参照 针对加密卡的功能读写程序 -IC function to read and write code for reference for the function of encryption cards to read and write procedures