很有用的一些从用代码 有keil编译实现的 可以

用定时器和控制端口,定时扫描,实现多种流水效果-With timer and control of ports, timing scan, to achieve a variety of water effects

讲述如何提高单片机的运行速度,包括硬件上和软件上如何做相应的设计-on how to improve the speed MCU, including hardware and software on how to do the design accordingly

LED的亮度渐变驱动程序，可以调节LED 的亮度，并且在AVR单片机上实现-Gradient brightness LED driver can adjust the LED brightness, and realize in the AVR Single Chip

对DS18b20传感器网络编码和搜索,以及对连接线的短路和开路进行检测-right DS18b20 sensor network coding and search, and the link between the short-circuit and open circuit detection

game俄罗斯方块的proteus仿真，c51音乐，简谱，Proteus，keil,仿真，软件-Tetris game of proteus simulation, c51 music, notation, Proteus, keil, simulation, software

本文档说明AVR单片机的Atmega 16对键盘按键控制的程序-This document explains AVR MCU Atmega 16 the keyboard keys to control the procedures

STC89C58RD +宏芯（driver）驱动TOPPTFT_LCD-STC89C58RD+ Macro-core (driver) driver TOPPTFT_LCD

ST9720控制器的12864液晶程序，同时兼容12232，本程序使用串行接法。只需三个管脚。-ST9720 LCD controller 12864 program is compatible with 12232, this program uses a serial access method. Just three pins.

8051c 的一个Crc 算法分析-8051c of an algorithm analysis Crc

在ST单片机上实现GPS交通警示器功能.-In the ST to achieve single-chip GPS traffic alerts functionality.