VB-serial-multi-channel

利用ULN2003A进行驱动，产生PWM波，里边有照片，可供参考，通过本例程了解PWM 的基本原理和使用 (#include <reg52.h> unsigned char timer1 sbit PWM=P1^2 void system_Ini() { TMOD|= 0x11 //PWM TH1 = 0xfe //11.0592 TL1 = 0x33 TR1 = 1 IE =0x8A } main() { system_Ini() while(1) { if(timer1>100) timer1=0 if(timer1<30) PWM=0 else PWM=1 } )

学4年来做过的竞赛以及老师的科研项目所积累下来的c51源代码，一共有40(4 years of study done as well as the Teacher of the competition accumulated research c51 source code, a total of 40)

企业网站包括企业中心 新闻中心 产品展示 人才招聘 会员中心 在线留言等(Business center corporate website including News Products Jobs Member Feedback, etc.)

codejock 13 and activasi

温度传感器，基于51的温度传感器！献给予51的爱好者们！(Temperature sensor, temperature sensor based on 51! Offered to give 51 fans!)

说明：  vb与plc通讯帮助解决vb与plc通讯之间的问题(vb and Communications plc)

文字或句子自動隨機排列.可以有助各位溫習功課和考試(Automatic random words or sentences arranged)

实现stc12c5a60s2单片机电子时钟的时，分，秒等基本功能。(Stc12c5a60s2 achieve single-chip electronic clock hours, minutes, seconds, and other basic functions)

这个工具是一个利用phpmyadmin来破解mysql数据库密码的工具。 可以是字典或是暴力破解都可以。 mysql数据库用户名可自定义(This tool is a use of phpMyAdmin to crack MySQL password tool. It can be either a dictionary or a brute force. Mysql user name can be customized)

ASP+vb读取数据库图像并处理，下载做为参考。(ASP+vb read the database and image processing, downloaded as a reference.)