标签：FREQUENCY - 电子研发网

FREQUENCY 429条

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基于ATmega16的标记机控制系统

介绍了当前普通标记机控制系统现状及其存在缺点，给出气动标记机及相频修正PWM模式的工作原理。采用ATmega16单片机和USB转换RS232接口器件CH341T实现驱动控制系统与PC的实时通讯，标记控制系统可升级到USB接口。采用基于ATmega16的相频修正PWM替换555振荡电路产生的PWM，可直接通过软件调整PWM信号。使用达林顿三极管TIP122 ...

/dl/29202.html

标签： ATmega 16 标记控制系统

上传时间： 2013-10-18

上传用户：1427796291

基于51单片机的无线识别装置系统

介绍一种简单射频识别系统设计。该设计包括阅读器、应答器和线圈3部分。由单片机控制阅读器向应答器发射无线信号，并接收应答器回送的信号，再通过分析回送信号识别物品。阅读器和应答器之间以半双工通信方式通信。 Abstract:  A simple design of radio frequency identification system is given in this paper.T ...

/dl/29266.html

标签： 51单片机无线识别装置

上传时间： 2013-10-11

上传用户：plsee

MSP430在频率测量系统中的应用

   介绍一种以MSP430单片机为基础的智能频率测量系统，采用硬件逻辑与软件指令相结合的方式控制闸门，实现0 MHz~10 MHz范围内无档切换的等精度测量。 Abstract:  An intelligent frequency measurement system based on MSP430 singlechip is introduced. The system uses a way that can combine hardwa ...

/dl/29334.html

标签： MSP 430 频率测量

上传时间： 2013-10-28

上传用户：dbs012280

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

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 ...

/dl/30710.html

标签： Pulsoximeter Single-Chip Des

上传时间： 2013-10-27

上传用户：黑漆漆

用户程序示例教程

用户程序示例教程 The Blinky project is a simple program for the LPC2138using Keil MCB2130 Microcontroller Board. It blinks the LEDs at speed according to the Potentiometer setting and prints the current seting to the Serial Port 1.In addition it generates a sine wave with an adjustable frequency on ...

/dl/30746.html

标签： 用户教程程序

上传时间： 2014-12-27

上传用户：hongmo

XL6003 300KHz 36V Boost 3W LED

The XL6003 regulator is fixed frequency PWM Boost (step-up) DC/DC converter, capable ofdriving 1050mA load current with excellent line and load regulation. The regulator is simple to use because it includes internal frequency compensation and a fixed-frequency oscillator so that it requires a minimu ...

/dl/30909.html

标签： Boost 6003 300 36V

上传时间： 2013-11-07

上传用户：xy@1314

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

AN255-02 IC SMBus REPEATERS HU

PCA9511, PCA9512, PCA9513, PCA9514, PCA9515, PCA9516, PCA9518,P82B96, P82B715Abstract - Philips Semiconductors family of Repeaters, Hubs and Expanders are detailed in this application notethat discusses device operation, maximum cable length and frequency calculations and typical applications.

/dl/31085.html

标签： REPEATERS SMBus 255 AN

上传时间： 2013-11-21

上传用户：wlcaption

Microchip ZigBee协议栈

Microchip ZigBee协议栈:ZigBee™ 是专为低速率传感器和控制网络设计的无线网络协议。有许多应用可从ZigBee 协议受益，其中可能的一些应用有：建筑自动化网络、住宅安防系统、工业控制网络、远程抄表以及PC 外设。与其他无线协议相比， ZigBee 无线协议提供了低复杂性、缩减的资源要求，最重要的是它提供了一组标准的 ...

/dl/31193.html

标签： Microchip ZigBee 协议栈

上传时间： 2013-10-08

上传用户：u789u789u789

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FREQUENCY 429条

按分类查找:

基于ATmega16的标记机控制系统

基于51单片机的无线识别装置系统

MSP430在频率测量系统中的应用

PCA9534—带中断的低功耗8位I2C和SMBus IO口

A Single-Chip Pulsoximeter Des

用户程序示例教程

XL6003 300KHz 36V Boost 3W LED

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

AN255-02 IC SMBus REPEATERS HU

Microchip ZigBee协议栈

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