Protect
共 44 篇文章
Protect 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 44 篇文章，持续更新中。
L3000N L30XX用户线路接口电路的保护电路
In this application note are described different<BR>ways to protect L3000N/L30XX SLIC KITs.<BR>The L
aclib.part06
Protect your software with Ace Lib \r\r\nPWD : pudn-Protect your software with Ace Lib PWD: pudn
aclib.part04
Protect your software with Ace Lib \r\r\nPWD : pudn-Protect your software with Ace Lib PWD: pudn
PolySwitch
PolySwitch自复元件有助于保护驾驶位车载控制开关-PolySwitch resettable devices help protect the driver' s vehicle con
基于STC89C52单片机的智能窗控制系统研究
<p>随着社会经济的发展,传统窗户已经无法保障人们的生活需要,智能窗必将代替传统窗户进入每家每户。采用STC89C52单片机进行设计研究,将其与DHT11数字温湿度传感器、烟雾传感器、LY-C1光敏传感器、红外检测传感器等相结合实时检测出各项数据。该控制系统可及时反应室内外各环境因素指标,以控制窗户的开关实现对室内环境的调节;并且起到了防火灾以及防盗功能,提高了建筑的安全性,是一个性能稳定且功能优
基于单片机的节能型智能窗帘设计
<p>随着社会信息化的发展,人们对高质量生活的追求,以及物联网技术的发展,使得智慧社区的概念越来越普及.本文设计了一种基于单片机的节能型智能窗帘,以STM32单片机为核心,利用传感器采集室内温湿度、光照等环境信息,并在LCD上显示.系统加入安防模块,对非法人员入侵进行报警,使用蓝牙模块实现用户无线控制此系统,同时采用太阳能电池板作为电源,节能环保.经过运行测试,本系统可以有效地提高用户的生活质量,
基于单片机的粉尘检测报警防护系统研究
<p>粉尘检测是环境保护的重要环节,传统的粉尘检测防护系统的预防方式较为单一。本文设计了一种基于单片机的粉尘检测报警防护系统,能有效地检测粉尘浓度,进行多种方式的报警防护,以保证工作人员的生命健康和安全。当检测的粉尘浓度为中度时,通过继电器控制风扇转动,浓度过高时,蜂鸣器报警,开启定点喷雾,降低粉尘浓度。适用于面粉厂、米粉厂、木材加工和油漆喷涂等企业生产现场对粉尘浓度的检测和防护等。</p><p>
基于单片机的智能教室照明系统的设计
<p>该文介绍如何设计一种基于单片机的智能教室照明系统,采用STC89C52单片机作为主控芯片,使用热敏电阻和热释电传感器分别实现教室内的光照度以及人体存在信息的采集;使用光驱动芯片PT4115结合基于PWM的调光方法,通过改变输入波形的脉冲宽度即可调整LED光源的亮度。还可通过单片机设定自动和手动两种模式,以便适应复杂的高校教室用灯环境,实现教室照明系统的智能化和人性化,达到节能环保的目的。</
基于STC89C51单片机的防盗报警系统设计
<p>为了解决家庭防盗问题,完成住宅的报警功能,设计了一种基于STC89C51单片机的家庭防盗报警系统;通过在住宅或重点区域设置布防,系统由热释电红外探测器检测红外光谱信号;防盗报警系统的设计分为硬件和软件两部分,由信号检测电路,LED灯和蜂鸣器执行电路,GSM模块和单片机系统的基本外围电路组成系统的硬件系统,软件则由中断、定时等子程序来控制相关硬件模块完成报警功能;实验结果表明,系统可探测到非法
基于单片机的跌倒检测报警系统设计
<p>当代社会,老年人群健康安全监护的需求日益增加,老年人跌倒检测的研究成为社会关注热点。故文章设计了一种基于单片机的跌倒检测报警系统,选用STC89C52单片机作为控制芯片、ADXL345传感器作为检测模块以及GSM发送装置作为通信模块。首先,利用检测模块采集老人日常活动中的运动数据,经模数转换后将其发送给单片机,以判断老年人当前状态。当满足触发条件时,报警模块发出声音提醒老人和周围的人,并将求
太阳能光伏植物生长系统的设计与试验
<p>为实现无常规电力条件下植物可控环境培育,提出了一种太阳能光伏植物生长系统。该系统针对高热地区,采用光伏发电系统、培育室、冷却系统和环控系统等4部分组成了降温环控装置,光伏发电系统为整个系统提供用电;培育室是保障植物正常生长的区域,采用密封处理,孔隙率为0.0024‰;冷却系统由制冷机、制冷风扇、冷却铜管和循环水泵组成,用于降低培育室内温湿度,维持培育室环境参数平衡;培育室环境控制基于STC8
PW2601_2.0.pdf规格书下载
<p>The PW2601 is a charger front-end integrated circuit designed to provide protection to Li-ion<br/>batteries from failures of charging circuitry. The device monitors the input voltage, battery volta
PW2606B.pdf规格书下载
<p>The PW2606B is a front-end over voltage and over current protection device. It achieves wide input<br/>voltage range from 2.5VDC to 40VDC. The over voltage threshold can be programmed externally or
Smart Grid Security
The field of cyber security, or information security, or information<br />
assurance, depending on your preference, is an interdisciplinary one.<br />
It is part computer science, part statistics, par
Programming Your Hom
Welcome to the exciting, empowering world of home automation! If you have<br />
ever wanted your home to do more than just protect you against the outside<br />
elements and want to interface it to th
Electrostatic Discharge Protection
Electrostatic discharge (ESD) is one of the most prevalent threats to the reliability<br />
of electronic components. It is an event in which a finite amount of charge is trans-<br />
ferred from one
The W78E58B is an 8-bit microcontroller which has an in-system programmable Flash EPROM for firmwa
The W78E58B is an 8-bit microcontroller which has an in-system programmable Flash EPROM for
firmware updating. The instruction set of the W78E58B is fully compatible with the standard 8052. The
W7
The Data Encryption Standard (DES) is a published federal encryption standard created to protect unc
The Data Encryption Standard (DES) is a published federal encryption standard created to protect unclassified computer data and communications. The DES algorithm is the most widely used encryption alg
RFID, the wireless technology that has helped millions of people around the world to protect their
RFID, the wireless technology that has helped
millions of people around the world to protect their property and
make their workplaces safer is now in danger of being viewed as a
security risk. Ray
If you are using Internet Explorer on Windows XP Service Pack 2, there is a security restriction dis
If you are using Internet Explorer on Windows XP Service Pack 2, there is a security restriction disallowing scripts to run in files opened on your local machine. When you first try to run the example