这是一个c8051F020单片机通讯程序，请各位大侠，看了后多提宝贵意见。...

单片机控制步进电机加减速C语言源程序，通过不断改变定时器的定时初值来提高频率。-Single-chip stepper motor control acceleration and deceleration C language source program, by changing the timing timer to improve the frequency of the initial value.

航天金卡的资料，全中文的。 资料名称：FM1702中文使用说明书 内容简介：FM1702/1704/1705 通用读卡机芯片

这是一个对proteus的介绍的pdf文件，对入门级人物是个很好的帮助-Proteus This is a pdf file of the presentation of the entry-level people is a very good help

PS2_KEYBOARD for AVR

基于ATMEGA 16带NOKIA3310液晶显示的汽车倒车雷达设计，含原理图，C程序代码（GCC AVR），Makefile文件，详细注释。-Based on ATMEGA 16 with NOKIA3310 LCD car reversing radar design, including schematic, C code (GCC AVR), Makefile file, detailed notes.

基于TC35开发的短消息报警程序，单片机为51兼容系列，汇编实现-TC35 developed based on the short message alarm procedures, single-chip compatible with Series 51, compilations realize

MSP430F413的各模块实例程序源代码，很方便调试。-MSP430F413‘demo

PXA270平台的键盘应用程序代码~~~~实现4*4键盘全功能-PXA270 platform application code keyboard ~ ~ ~ ~ to achieve 4* 4 full-function keyboard

通过COM1与单片机通讯的界面程序，包含3个线程-Communications through COM1 and MCU interface process contains three threads

430做的一种门控系统的程序，用到变频器，482通信协议等-430 to do a door control system of procedures, using inverter 482, such as communication protocols