用C51I/O口来驱动两个四位数码管，并且可消隐，降低功耗。

步进电机单片机驱动程序-stepping motor driver program

.Is not a sourcecode or document 3.lost some files 4.Description is not detailed or not correct 5.Compressed file has password 6.Sourcecode duplicate

winbond的w77e58双串口测试-the dual serial test

AVR ATMega8 Modbus protocol implementation

单片机控制AD2543,同时通过液晶显示的程序，通过移植修改即可以应用-SCM AD2543, at the same time through the liquid crystal display procedures, through the graft modification can be applied

AVR 单片机程序设计用到的模拟器，请大家批正-AVR program design to use the simulator, you are awarded

直流电机测速程序 电机需带码盘 精度高 可直接设置转数 短时间内电机达到所设定的 速度-DC Motor Speed procedures required motor encoder with high precision can be set directly to a few short period of time to achieve the set motor speed

在Power-I 51 Mini开发板上，基于89C51单片机开发的数字音乐盒，可以实现上一首下一首，播放，暂停，停止，的按键功能，并有数码显示时间，开机画面和曲号。-in the Power- I 51 Mini development board. 89 C51 microcontroller based on the development of the digital music player, can be achieved on the first one the next broadcast, suspension, stop, The function keys and a digital display, startup screen, and song.

单片机驱动液晶,基于51-Microprocessor LCD, based on 51

基于Proteus的正反转可控的步进电机的仿真，内有源代码。-Based on the positive inversion Proteus controlled stepper motor simulation, within the source code.