prevent
共 35 篇文章
prevent 相关的电子技术资料，包括技术文档、应用笔记、电路设计、代码示例等，共 35 篇文章，持续更新中。
局域网聊天软件源码net
LanMsg是一款用.net C# 开发的局域网即时通讯开源软件（经过简单修改可用于因特网）,适合.net即时通讯软件开发者用。 p2p原理(UDP打洞)，消息的内容采用串行化技术发送与接收（可发送任何自定义的数据类型）.为防止代码过多而引起查看难度，暂只提供本程序的2.1.3 Bate版-LanMsg is used. Net C# development of the LAN instant
基于“真实问题”的单片机创新实验设计与实现
<p>针对当前高校人才培养与社会需求之间存在的结构性矛盾,为更好地明确服务面向,推进“真实问题”导向下的单片机创新实验教学改革.学号151003135为负责人的实验小组选取生活中腿脚不便的老年人出行问题,设计并搭建出行助手“拐杖”,使其具备障碍提醒、道路照明、实时定位、音乐播放等功能,从而一定程度上有效地防止老人摔倒、老人走失等问题的发生.实践证明,在以真实问题为导向的教学模式下,引导学生通过问题
基于单片机和LabVIEW的电机多参数在线监测系统
<p>针对传统电机监测存在的测量参数少、智能化程度低、离线监测问题,提出了一种基于单片机和LabVIEW的电机多参数在线监测系统。该系统通过传感器、信号调理电路和单片机实现了对电机运转过程中温度、转速及噪声等参量的采集,利用RS-232通信串口将数据传输到上位机。上位机采用图形化界面软件LabVIEW实现电机运行过程中的多参数的在线监测。结果表明:该系统具有测量精度高、实时性强、智能化程度高及可扩
基于52单片机的车内温度调节系统
<p>根据单片机的控制技术,与温度传感器、空调组件,电池组相结合,设计车内温度过高降温,防止温度过高发生意外,提高舒适性。工作原理:在车辆熄火后,车门关闭,驾驶员控制装置启动,温度传感器检测车内温度,当温度高于车主设定的温度时,单片机会控制空调启动将温度控制在车主设定温度以内,从而达到舒适性的要求。</p><p>according to the SCM control technology, co
基于单片机的无人值守变电站防漏水告警系统
<p>为解决无人值守变电站给水系统渗漏水问题,提出一种基于AT89S51单片机的无人值守变电站防漏水告警系统。首先结合无人值守变电站用水特点,提出了正常用水工作模式和防漏水工作模式。然后利用水流量传感器检测给水管道的水流量及连续出水时长,并通过控制电磁阀驱动电路实现管道的开闭。当给水管道发生渗漏水时,在检测到水流量或连续出水时长达到阈值后,系统会关闭给水通道并发出就地声光告警信息,同时驱动短信告警
光敏传感器智能寻光小车的设计与制作
<p>该设计以STC89C52系列单片机为核心芯片,利用光敏传感器实时接收外界环境光强变化,由单片机感应出信号灯位置,并自动控制小车前往信号灯处。同时该设计带有超声波模块,实时检测小车与前方障碍物的距离,防止小车在行驶过程中与障碍物相撞。该设计采用PWM波形控制电机转速,从而精确控制小车4个电机的转速,在程序中利用相应算法判断小车当前状态,并发出相应指令来控制各个电机的转速。利用Altuim de
雅马哈RX-V692功放说明书
<p>为了确保最佳性能，请仔细阅读本手册。请将其保存在安全的地方，以备将来参考。将本机安装在阴凉，干燥，清洁的地方-远离窗户的热源，过多的振动灰尘，湿气和冷源。避免嗡嗡声的变压器，电动机。为避免起火或电击，请勿使本机遭受雨淋或浸水。<br/>绝对不要机柜。如果有东西掉入设备中，请与经销商联系。不要在开关，控件或连接线上用力。移动设备时，请先拔下电源插头和与其他设备相连的电线。切勿自己拉电线。机柜上
PW4554_2.0.pdf规格书下载
<p>The PW4554 is a cost-effective, fully integrated high input voltage single-cell Li-ion battery charger.<br/>The charger uses a CC/CV charge profile required by Li-ion battery. The charger accepts a
LTE-Advanced+Relay+Technology
LTE-Advanced becomes a truly global standard for 4G cellular communications.<br />
Relay, as one of the key technologies of LTE-Advanced, can significantly extend<br />
the coverage, and improve the s
Dual USB High-Side Power Switch
The SP2526A device is a dual +3.0V to +5.5V USB Supervisory Power Control Switch ideal<br />
for self-powered and bus-powered Universal Serial Bus (USB) applications. Each switch has<br />
low on-resi
Wi-Fi pollution, or an excessive number of access points in the area, especially on the same or neig
Wi-Fi pollution, or an excessive number of access points in the area, especially on the same or neighboring channel, can prevent access and interfere with the use of other access points by others, cau
Electronics Design Checklist C) 2003 Hank Wallace This is a checklist for electronics designers. T
Electronics Design Checklist
C) 2003 Hank Wallace
This is a checklist for electronics designers. The idea is for engineers and technicians to
share experiences and create a detailed checklist, whic
Spread-spectrum techniques are methods by which electromagnetic energy generated in a particular ban
Spread-spectrum techniques are methods by which electromagnetic energy generated in a particular bandwidth is deliberately spread in the frequency domain, resulting in a signal with a wider bandwidth.
很丰富的 Registry 改动例子
很丰富的 Registry 改动例子，很多特别的例子
如:
Change The Internet explorer Title,
Showing the Windows Version on the Desktop
Remove the shortcut arrows from all your icons
Creating 3D Window Effect
To prevent a
this the RSA algorithm to use the registry to prevent illegal production
this the RSA algorithm to use the registry to prevent illegal production
Every day, patches are created to cover up security holes in software applications and operating sys
Every day, patches are created to cover up security holes in software applications and operating systems. But by the time you download a patch, it could be too late. A hacker may have already taken ad
eye detection sample in matlab. Eyetrackers can analyze a driver’s level of attentiveness while driv
eye detection sample in matlab. Eyetrackers can analyze a driver’s level of attentiveness while driving and prevent drowsiness from causing accidents.
Wiley The_Memory_Program-How_to_Prevent_Memory_Loss_and_Enhance_Memory_Power-fly
Wiley
The_Memory_Program-How_to_Prevent_Memory_Loss_and_Enhance_Memory_Power-fly
* CONSTRAINTS * This module does not handle data which is considered out of range by the * appli
* CONSTRAINTS
* This module does not handle data which is considered out of range by the
* application(i.e. fixed constants which represent error condition)
*
* Maximum weight value must be li
This code was used to produce simulation results described in: Using Directional Antennas to Pre
This code was used to produce simulation results described in:
Using Directional Antennas to Prevent Wormhole Attacks
Lingxuan Hu and David Evans. Network and Distributed System Security
Symp