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基于51单片机的作息号音自动播放器设计

nbsp;Using timing and interrupt function of the AT89C51 single-chip microcomputer and the LM386 audio power
2013-10-10 09:40:02 下载 172 查看 1,178
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PCA9534—带中断的低功耗8位I2C和SMBus IO口

I/O expanders provide a
simple solution when additional I/O is needed for ACPI power switches,
2013-11-17 13:20:01 下载 142 查看 1,122
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PCA9535 PCA9535C 16bit I2C bus

I/O expanders provide a simple
solution when additional I/O is needed for ACPI power switches, sensors
2013-10-21 14:20:01 下载 153 查看 1,201
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PCA9548A 8 channel I2C bus swi

resets the
I2C-bus state machine and causes all the channels to be deselected as does the internal
Power-on
2013-10-13 17:16:01 下载 195 查看 1,152
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XAPP144 -设计CPLD多电压系统

Each chip has specific power supply needs.
2013-11-10 17:52:01 下载 181 查看 1,117
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Chipcon CC2420 reference design w/PA board rev B CC2420_w_PA_PCB.ZIP FABRICATION.PHO - fabricati

top side) COPPER2.PHO - copper layer #2 (inner ground plane) COPPER3.PHO - copper layer #3 (inner power
2015-05-12 00:43:01 下载 173 查看 1,103
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用AVR单片机设计的MP3播放器 功能: MP3 Player IDE ATA interface FAT 32 with long file name support USB

MP3 Player IDE ATA interface FAT 32 with long file name support USB interface On board power
2016-07-02 20:32:02 下载 32 查看 1,125
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Telecommunications Essentials

thinking, influence, and productivity, just as those in the Industrial Age were able to extend the power
2020-06-01 10:40:53 下载 1 查看 188
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Utility Maximization in Nonconvex Wireless Systems

moreefficient manner.In the contextof wireless networks,two of the most common
resources are power
2020-06-01 17:22:15 下载 1 查看 70
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Internet+Data+Centers

we
focus on the energy management of IDCs in smart grid from several perspectives,
i.e., power
2020-06-07 05:02:24 下载 1 查看 69
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CR95HF 的初始化步骤

结论:CR95HF上电后进入Power up状态,如果此时MCU无法与CR95HF通信或CR95HF的外部晶体没有起振,那么原因就在于MCU没有给CR95HF提供一个IRQ_In。

2022-02-22 16:00:02 下载 1 查看 8,159
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TYPE-C-PD升压协议全解析

TYPE-C PD升压协议全解析  PD是Power Delivery的简称,代表着TYPE-C电力传输的一个通讯协议。 

2022-08-29 19:40:02 下载 1 查看 3,099
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《电力系统谐波-基本原理、分析方法和滤波器设计》

·《电力系统谐波-基本原理、分析方法和滤波器设计》(Power Systems Harmonics Fundamentals, Analysis and Filter Design)((奥地利)乔治·J
2023-05-13 10:00:09 下载 1 查看 3,631
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创惟科技 GL885E USB充电控制芯片

designs to suppot Battery Charging Specification v1.1 with minimum alteration on USB data lines and power
2023-06-22 07:20:03 下载 2 查看 9,995
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PCB中的过孔选择

在普通PCB 设计中,过孔的寄生电容和寄生电感对PCB 设计的影响较小,对1-4层PCB 设计,一般选用0.36mm/0.61mm/1.02mm(钻孔/ 焊盘/POWER 隔离区)的过孔较好,一些特殊要求的信号线
2023-11-06 10:50:01 下载 1 查看 5,728
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Google_Hacks

This concise book offers a variety of interesting ways for power users to mine the enormous amount of
2024-07-20 12:30:01 下载 4 查看 8,548
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实现更大节能的创新器件

实现更大节能的创新器件 隔离耗能元件,令待机功耗接近零 作者: Edward Ong,产品营销经理 Power Integrations, Inc.
2024-09-24 15:00:02 下载 7 查看 6,537
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基于AT89C51的智能公交刷卡系统改进设计与实现

improve the modern level of bus management and transportation, it designs an intelligent bus swipe card system
2023-09-15 00:30:02 下载 5 查看 7,424
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基于ADuC841的膜片钳放大器系统设计

the interferential problem with PC in existing patch clamp amplifiers, a small patch clamp amplifier system
2013-11-06 11:28:01 下载 164 查看 1,081
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有源码事例,还有说明.一看就明白, 一,把"HGB.dll"和"hgbguanligongcheng.dll"复制到系统文件夹"WINDOWSsystem32"下. 二,新建一VB标准

有源码事例,还有说明.一看就明白, 一,把"HGB.dll"和"hgbguanligongcheng.dll"复制到系统文件夹"\WINDOWS\system32"下.
2013-12-19 17:25:21 下载 76 查看 1,083
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