该程序为基于51单片机的步进电机控制程序，经调试可行-51 microcontroller-based stepper motor control procedures, testing feasible

因需要，单片机的键盘扫描和数码管显示共用一口，用定时器实现，原创-Due to the needs of single-chip microcomputer keyboard scanning and sharing a digital tube display with a timer to achieve the original

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

一个单片机串口调试助手。是绿色版的，很好用哦-Single-chip serial debugging assistant. Green version of, well spent, oh

利用单片机实现SD卡读写程序，比较通用，大家可以参考，希望对你有所帮助。-Use of SCM SD card reader program, a more generic, we can refer to, want to help you.

步进电机程序-Stepper motor procedures

很好的用io口模拟串口的程序，内带仿真文件，可随意修改，已经在产品中应用，可放心使用。-Io mouth with a very good simulation of serial procedures, within the simulation with documents, can be freely modified, has been applied in the product can be assured that use.

虚拟声卡的详细说明！有一个虚拟声卡示波器，现在大量使用，并链接到地图与您分享！

PCB布线设计快速最优通道布线算法-PCB wiring design fast optimal channel routing algorithm

atmega16L输入捕获经典试验已经通过验证-atmega16L input capture classic trials have been validated