单片机的设计程序，我认为很好的，希望大家喜欢

HID USB键盘单片机固件程序，能实现键盘输入的功能-HID USB keyboard firmware single-chip, to achieve the functions of keyboard input

C51写的华邦8位单片机ISP程序,请配合本人用VB写的PC端ISP程序W78E516UpdataOfVB使用

51单片机用来读写优盘的C语言写的源程序，里面不仅包括源程序还有易懂的原理图分析，适合于入门级开发人员-51 Single-chip USB flash drives used to read and write the source code written in C language, which includes not only the source code there is easy to understand schematic diagram analysis, suitable for entry-level developers.

VB平台单片机与PC机串口通信的PC端程序。小巧易用，功能丰富-VB Platform single-chip serial communication with the PC-the PC-side program. Small, easy-to-use, feature-rich

采用IAR在线调试ADI公司基于ARM7内核的ADUC7026的I2CDownloadMaster代码-IAR debug using online ADI Corporation ADUC7026 based on ARM7 core of I2CDownloadMaster code

RS-485接口具有较强的抗干扰性，数据传输的距离较远，在一些应用中常常需要把RS-232标准的信号转换为RS-485的标准信号进传输。图中所示电路允许数据在RS-232/RS-485这两个不兼容的串行数据接口间传递。传输速度为480波特时，传输距离可达1750米。图中双RS-232收发器IC1将主机(PC)输出的RS-232电平转换为TTL电平，驱动高速RS-485收发器IC2 的输入，倒相器使IC2、IC3在受到起始位时被激活。-RS-485 trying to lay all the thoroughly bleed at the nose picking up the birthday 扰 fern cavity 强 ， Chu Huai basin cavity beat escapement for the birthday candle远Now ， Which instance, using Beckmannia中

关于CY68013 USB2.0批量速度的测试程序,感兴趣的可以下载看看.-CY68013 USB2.0 speed on the bulk of the test procedure, interested can download and see.

电机控制驱动芯片L298经典控制实例，源码，引脚及应用电路图-Motor Control Driver IC L298 classic control examples, source code, pin and application circuit

这是一个播放音乐的程序，at51 的mcu，已经调试通过，-This is a music program, at51 the mcu, has been commissioning adopted

基于51的单片机的PPP协议实现，源代码-51 Based on the SCM PPP protocol, the source code