20121121SELECTIO

新华龙公司c8051f源码，用于cp2200(Hualong company c8051f source for cp2200)

按键控制LED灯的汇编程序，可实现按键控制LED灯的亮灭，主要是用汇编语言写的可以学习汇编(Button control keys to control LED lights LED lights LED light button control keys to control LED lights)

这是我做的一个跟踪器的锂电池关锁的部分。(This is what I do as a tracker of lithium shut part.)

测试程序ATMEGA8LED的灯亮和灯灭(Test ATMEGA8LED lights turn on and off)

一款webQQ登陆的小程序，可以登陆并发表文字说说，图文混合说说，设置说说可见权限。涉及WinHttp知识，spidermonkey脚本引擎知识(WebQQ landed a small program, you can log in and post text talk, text and graphics to talk about, talk about the visible set permissions. Involving WinHttp knowledge, spidermonkey scripting engine knowledge.)

单片机开发：基础部分内容，基于51单片机的，流水灯制作(MCU development: basic part, based on 51 microcontroller, making water lights)

this .rar contain source code in basic for avr microcontroller for making drifter device to measure water velocity on the sea surface

控制蜂鸣器pic18单片机程序,测试通过，已批量生产。(Pic18 microcontroller program to control the buzzer)

max7219，利用51单片机控制，点阵显示(max7219, 51 single-chip control, dot matrix display)

自动交通控制系统用红、绿、黄三支共两组发光二极管表示交通信号灯，利用单片机模拟有时间显示的定时交通信号灯控制管理。信号灯的变化规律可如下： 1）放行线：绿灯亮放行25秒，黄灯亮警告5秒，然后红灯亮禁止。 2）禁示线：红灯亮禁止30秒，然后绿灯亮放行。 3）当某一方向的红灯亮时，若该方向有车通过，则用扬声器声报警。（撞红灯信号可用3-5V模拟量表示）(Automatic traffic control system using red, green, yellow light-emitting diodes, said a total of three traffic lights, the use of single-chip analog time display on a regular traffic signal control and management. Changes of lights to be as follows: 1) Release Line: green clearance 25 seconds, the yellow light warning for 5 seconds, then the red light is prohibited. 2) ban shows lines: the red light is prohibited for 30 seconds, then the green light to release. 3) When the red light in one direction, if the direction of the car through, the alarm speaker sound. (Hit the red signal available 3-5V analog representation))