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基于AT89C2051的温度监控系统的设计

采用单片机AT89C2051实现温度测量与控制,键盘和显示电路实现温度的设定、修改、清零以及当前温度值的显示,并对温度超过上下限进行报警。阐述了该系统设计的硬件和软件设计。 Abstract:  The system of temperature measuring and controling is realized based on AT89C2051.The keyboard and display circuit is d ...

/dl/29310.html

标签： C2051 2051 89C AT

上传时间： 2013-11-18

上传用户：leehom61

MAX7456在可视倒车雷达中的应用

为解决传统可视倒车雷达视频字符叠加器结构复杂，可靠性差，成本高昂等问题，在可视倒车雷达设计中采用视频字符发生器芯片MAX7456。该芯片集成了所有用于产生用户定义OSD，并将其插入视频信号中所需的全部功能，仅需少量的外围阻容元件即可正常工作。给出了以MAX7456为核心的可视倒车雷达的软、硬件实现方案及设计实例。该 ...

/dl/29364.html

标签： 7456 MAX 可视倒车中的应用

上传时间： 2013-12-10

上传用户：qiaoyue

基于AT89S52 的水温控制系统的设计

本文介绍了基于AT89C52 单片机的自动水温控制系统的设计及实现过程。该系统具有实时显示、温度测量、温度设定并能根据设定值对环境温度进行调节实现控温的目的以及达到上下限温度报警功能，控制算法是基于数字PID 算法。关键词：PID AT89C52 脉宽调制实时 Abstract ： This article describes AT89C52 single-chip microc ...

/dl/29392.html

标签： 89S S52 AT 89

上传时间： 2013-10-10

上传用户：归海惜雪

LLCR Pin Socket Testing with t

LLCR Pin Socket Testing with the Model 3732 High Density Matrix Card Computer processors (CPUs) today have come a long way from the computer processors of the past. They draw more power, run at lower voltages, and have more pins than ever before.

/dl/30357.html

标签： Testing Socket LLCR with

上传时间： 2013-10-24

上传用户：whenfly

PCA9534—带中断的低功耗8位I2C和SMBus IO口

The PCA9534 is a 16-pin CMOS device that provide 8 bits of General Purpose parallel Input/Output (GPIO) expansion for I2C-bus/SMBus applications and was developed to enhance the NXP Semiconductors family of I2C-bus I/O expanders. The improvements include higher drive capability, 5 V I/O tolerance, l ...

/dl/30569.html

标签： SMBus 9534 PCA I2C

上传时间： 2013-11-17

上传用户：vodssv

PCA9534 8bit I2C bus and SMBus low power IO port with interru

The PCA9534 is a 16-pin CMOS device that provide 8 bits of General Purpose parallel Input/Output (GPIO) expansion for I2C-bus/SMBus applications and was developed to enhance the NXP Semiconductors family of I2C-bus I/O expanders. The improvements include higher drive capability, 5 V I/O toleran ...

/dl/30982.html

标签： interru SMBus power 9534

上传时间： 2013-10-10

上传用户：inwins

PCA9535 PCA9535C 16bit I2C bus

The PCA9535 and PCA9535C are 24-pin CMOS devices that provide 16 bits of GeneralPurpose parallel Input/Output (GPIO) expansion for I2C-bus/SMBus applications and wasdeveloped to enhance the NXP Semiconductors family of I2C-bus I/O expanders. Theimprovements include higher drive capability, 5 V I/O t ...

/dl/30985.html

标签： 9535 PCA 9535C I2C

上传时间： 2013-10-21

上传用户：爱死爱死

PCA9555 16bit I2C-bus and SMBu

The PCA9555 is a 24-pin CMOS device that provides 16 bits of General Purpose parallelInput/Output (GPIO) expansion for I2C-bus/SMBus applications and was developed toenhance the NXP Semiconductors family of I2C-bus I/O expanders. The improvementsinclude higher drive capability, 5 V I/O tolerance, lo ...

/dl/31013.html

标签： C-bus 9555 SMBu PCA

上传时间： 2013-11-13

上传用户：fredguo

基于单片机的步进电机开环控制系统

基于单片机的步进电机开环控制系统:通过ATMEL89C51单片机对步进电机进行控制,主要介绍了步进电机控制器、驱动电路和LED显示电路的设计,实现了步进电机的开环控制。在步进电机控制器的设计中,重点阐述了脉冲产生电路以及对速度的控制。该系统具有成本低、控制方便的特点。关键词: 单片机; 步进电机; 开环控制 Abstract: The ...

/dl/31212.html

标签： 单片机步进电机开环控制系统

上传时间： 2013-10-13

上传用户：cicizoe

WP312-Xilinx新一代28nm FPGA技术简介

Xilinx Next Generation 28 nm FPGA Technology Overview Xilinx has chosen 28 nm high-κ metal gate (HKMG) highperformance,low-power process technology and combined it with a new unified ASMBL™ architecture to create a new generation of FPGAs that offer lower power and higher performance. ...

/dl/32613.html

标签： Xilinx FPGA 312 WP

上传时间： 2014-12-28

上传用户：zhang97080564

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lower 70条

按分类查找:

基于AT89C2051的温度监控系统的设计

MAX7456在可视倒车雷达中的应用

基于AT89S52 的水温控制系统的设计

LLCR Pin Socket Testing with t

PCA9534—带中断的低功耗8位I2C和SMBus IO口

PCA9534 8bit I2C bus and SMBus low power IO port with interru

PCA9535 PCA9535C 16bit I2C bus

PCA9555 16bit I2C-bus and SMBu

基于单片机的步进电机开环控制系统

WP312-Xilinx新一代28nm FPGA技术简介

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