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单片机编程 基于ATmega8的双轴太阳跟踪器设计

为提高太阳能的利用率,以ATmega8单片机为控制核心,设计了一套光电跟踪与视日运动轨迹跟踪互补控制的双轴太阳跟踪器。该跟踪器在晴天时,利用光敏电阻采集光强判断太阳位置,控制步进电机实现光电跟踪;在阴天时,采集时钟器件PCF8583的时间信息,计算当前太阳位置来实现视日运动轨迹跟踪。实验表明:该太阳跟踪器能在不同天 ...
https://www.eeworm.com/dl/502/29180.html
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单片机编程 基于CAN总线的综自通讯规约设计

介绍一种基于CAN总线的牵引变电站自动化系统通讯规约的设计,CAN通讯规约采用标准帧,报文采用主动发送和发送查询两种处理形式。该设计在城市轻轨与地铁牵引变电站中的应用表明:可实现间隔层和通讯处理层的数据快速、可靠的交换,提高牵引变电站的安全性和稳定性 。 Abstract:  This paper firstly presents a kind ...
https://www.eeworm.com/dl/502/29194.html
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单片机编程 A Single-Chip Pulsoximeter Des

This application report discusses the design of non-invasive optical plethysmographyalso called as pulsoximeter using the MSP430FG437 Microcontroller (MCU). Thepulsoximeter consists of a peripheral probe combined with the MCU displaying theoxygen saturation and pulse rate on a LCD glass. The same se ...
https://www.eeworm.com/dl/502/30710.html
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单片机编程 FREERTOS的官方移植文档

FeaturesThe following standard features are provided.• Choice of RTOS scheduling policy1. Pre-emptive:Always runs the highest available task. Tasks of identical priorityshare CPU time (fully pre-emptive with round robin time slicing).2. Cooperative:Context switches only occur if a task blocks, ...
https://www.eeworm.com/dl/502/30820.html
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单片机编程 水位监测报警系统原理

摘要:本水位监测报警器使用5V低压直流电源(也可以用3节5号电池代替)就可以对5~15厘米的水位进行监测,用LED显示和数码管显示水位,并可以对不再此范围内的水位发出报警。主要采用CD4066、74LS86、74LS32、CD4511芯片,再加上数码管、蜂鸣器、发光二极管、电阻这些器件组成一个简单而灵敏的监测报警电路,操作简单,接通 ...
https://www.eeworm.com/dl/502/31261.html
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嵌入式综合 飞思卡尔S12处理器培训讲义

飞思卡尔S12处理器培训讲义   In this LAB, we will: Get familiar with CodeWarrior 4.7 IDE; How to work with project wizard; Light the LEDs
https://www.eeworm.com/dl/566/35820.html
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工控技术 光电开关电路模块设计

高性能光电传感器具有以下特性: 电源可选; 模式可选: Dark ON / Light ON; 输出形式: NPN / PNP / 继电器输出; 响应速度快; 预报警功能; 保护距离长; 抗干扰性强;输入回路保护; 输出回路短路保护;相邻多个传感器可并排使用相互之间不干扰 ...
https://www.eeworm.com/dl/569/40660.html
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测试测量 智能照明控制器测量环境光线

Abstract: This application note explains how to design an intelligent lighting controller that senses and measures the ambient lightlevel with an ambient light sensor (ALS). Equipped with a real-time clock (RTC), the controller also knows when to turn lighting on oroff at specified times. The syst ...
https://www.eeworm.com/dl/544/41783.html
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FlashMX/Flex源码 这是一个比较酷(炫)的特殊效果

这是一个比较酷(炫)的特殊效果,最早出现在 Ray Of Light 网站,现在您也可以试一下辉光的效果了!快快动手吧!
https://www.eeworm.com/dl/661/118832.html
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Internet/网络编程 CWebGrab is a simple class that allows you to quickly and easily download files from the net. The cl

CWebGrab is a simple class that allows you to quickly and easily download files from the net. The class is merely a light wrapper for the MFC internet classes, and as such supports any protocol that the MFC classes support.
https://www.eeworm.com/dl/620/130559.html
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