MCU与PC键盘通信程序，接口为PS/2；I2C通用驱动程序

在80C51上实现USB2.0功能的源码-In the 80C51 functions to achieve USB2.0 source

51单片机专用计算器，你可以压缩后得到一个计算器-51 Single-chip dedicated calculator, you can get a compression calculator

EBU格式加GPS0183对时完整实现程序源代码，值得收藏和直接应用，是本人实际的程序！-EBU format at the right increase GPS0183 achieving complete source code, it is worth collecting and direct application I is the actual procedure.

频率可调 占空比可调 AVR 程序 程序可用 请放心用-Adjustable frequency adjustable duty cycle procedures AVR procedures available Please be assured by

环境：keil c51 i2c调度工具-environment : Keil decoder i2c scheduling tools

串口通信，单片机识别窗口之间通信，使用的是STI51-Serial communications, single-chip communication between the identification window, using STI51

CH372或CH375的USB设备的Windows驱动程序和DLL动态库-CH375 USB or USB Device Driver for Windows DLL and DLL

29个单片机实验（转载）-29 SCM experiment (reproduced)

单片机AT90S系列 制作简易USB接口（软件模拟,无usb硬件）。doc- Monolithic integrated circuit AT90S series manufacture simple USB connection (software simulation, non- usb hardware). Doc

通过灯的闪烁和声音的不同报警，通过灯的闪烁和声音的不同报警通 过灯的闪烁和声音的不同报警-Flashing lights and sound through the different alarm, flashing lights and sound through the various warning lights flashing and sound through the various warning lights flashing and sound through the different alarm