T9 Text Input You can use this source code for input T9 Text Input(English)

单片机简易数控电源no interupt 源代码-Single-chip digital power supply simple no interupt source code

PIC18F4550_USB开发原代码，可以给需要用单片机开发USB通信使用参考-PIC18F4550_USB development of the original code, can require the development of USB communication using single-chip reference

C8051FXXXX的一个开发例程，对于接触C8051F12X的开发者比较有用，可以下载看一下-C8051FXXXX development of a routine, contact C8051F12X developers more useful, can be downloaded to look at

FreeRTOS免费的开源实时操作系统，FreeRTOS的官方移植文档-FreeRTOS free open-source real-time operating system, FreeRTOS official Portable Document

这个做了一个可以随着曲线而移动得小球，很好玩，大家看看是怎么随曲线移动得-This can make a curve and move with a small ball, is a lot of fun, let us look at how the Mobile curve with a

mcu_PPP在一个单片机上实现PPP协议详解.rar-mcu_PPP in a microcontroller to achieve PPP Elaborates on. Rar

采用定时器中断的方法，设计一个一天24小时进制的实时时钟；用6个发光二极管分别显示时、分、秒的记时； 能进行整点报时。可以从键盘中预置、修改时钟值。含有硬件设计图-timer interruption using the method to design a band 24 hours a day in real-time clock; With six light-emitting diodes showed the hours, minutes, and seconds to the entry; Can the entire point timekeeping. Which can be preset from the keyboard, the revised value of the clock. Containing the hardware design

自己keil C51写的X25045驱动，调试通过-their written X25045 driven through debugging

x5045的相关程序，可以在keil c 上运行-X5045 procedures, you can run keil c