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9927417project.zip

使用51系列单片机(AT89S52)控制LCD(12864),全菜单化操作控制初始时间输入,并以指针+数字形式或纯数字形式显示当前时间(年月日周时分秒)及温度(±XXX.XXXX),工程需要环境为keil Uvision2,其中包含以下各模块的C语言驱动程序:x5045,8255c,ATM12864,ds1302,ds1820,8键键盘(74LS164控制
2023-09-10 17:20:01 下载 3 查看 5,103
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Project1-DDS

直接频率和成DDS,可以在Altera的FPGA下载实现-directly into DDS frequency and can be downloaded from Altera FPGA Impl
2024-01-07 08:50:01 下载 4 查看 7,059
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project avr contest 4

project avr contest 4
2024-06-22 00:30:01 下载 2 查看 2,258
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project avr contest good

project avr contest good
2024-06-22 05:50:01 下载 8 查看 2,302
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project avr contest 3

project avr contest 3
2024-06-22 07:00:01 下载 10 查看 2,964
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This Project gives a complete idea for user to learn how to create live project with a specific user

This Project gives a complete idea for user to learn how to create live project with a specific user
2015-02-08 20:43:01 下载 151 查看 1,105
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Project 2002 中文教学手册 Project 2002 中文教学手册

Project 2002 中文教学手册 Project 2002 中文教学手册
2015-03-19 00:35:01 下载 101 查看 1,052
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This project should serve as an "easy start" with embOS. All pathes are relative to the project fil

This project should serve as an "easy start" with embOS.
2013-12-28 00:23:01 下载 163 查看 1,062
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Project的模板文件包含了14个经典的Project文件!

Project的模板文件包含了14个经典的Project文件!
2017-04-08 00:18:02 下载 182 查看 11,500
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Number of Namespaces in the project: 1 Number of Classes in the project: 6 Number of C# function

Number of Namespaces in the project: 1 Number of Classes in the project: 6 Number of C# function(
2013-12-09 02:52:06 下载 42 查看 1,059
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this is jsp project.By using this project we can chat using jsp code.

this is jsp project.By using this project we can chat using jsp code.
2013-12-12 00:19:02 下载 77 查看 1,106
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增量旋转编码器选型哪些注意事项? 应注意三方面的参数: 1. 械安装尺寸

增量旋转编码器选型哪些注意事项? 应注意三方面的参数: 1. 械安装尺寸,包括定位止口,轴径,安装孔位;电缆出线方式;安装空间体积;工作环 境防护等级是否满足要求。 2.
2014-01-12 19:23:13 下载 39 查看 1,070
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This project should serve as an "easy start" with uC/FS. All pathes are relative to the project fil

This project should serve as an "easy start" with uC/FS.
2015-08-13 20:32:01 下载 191 查看 1,085
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This project attempts to implement a Database using B+Tree. The project has developed a DATABASE SYS

This project attempts to implement a Database using B+Tree.
2013-12-25 02:59:10 下载 100 查看 1,093
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This a simple example project for the MSP430 series MCU and the GCC port of the mspgcc project. The

This a simple example project for the MSP430 series MCU and the GCC port of the mspgcc project.
2015-10-19 00:22:02 下载 119 查看 1,189
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mp270app.dsp This file (the project file) contains information at the project level and is used

mp270app.dsp This file (the project file) contains information at the project level and is used to
2016-07-05 00:25:01 下载 98 查看 1,080
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通訊保密編碼library project code.完整library project code!

通訊保密編碼library project code.完整library project code!
2014-01-04 03:59:10 下载 117 查看 1,052
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the project is about medical diagnostic for heart related problems. the project have simple AI and i

the project is about medical diagnostic for heart related problems. the project have simple AI and interface
2017-09-01 20:13:01 下载 66 查看 1,094
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allegro 需要导出哪些文件嘉立创才能自动识别

allegro 需要导出哪些文件嘉立创才能自动识别
2020-10-12 16:13:29 下载 6 查看 147
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高速PCB设计中的阻抗匹配 你都知道哪些

阻抗匹配是指在能量传输时,要求负载阻抗要和传输线的特征阻抗相等,此时的传输不会产生反射,这表明所有能量都被负载吸收了。反之则在传输中有能量损失。在高速线路板打样设计中,阻抗的匹配与否关系到信号的质量优劣。

1、PCB走线什么时候需要做阻抗匹配?

不主要看频率,而关键是看信号的边沿陡峭程度,即信号的上升/下降时间,一般认为如果信号的上升/下降时间(按10%~90%计)小

2022-09-09 08:00:02 下载 2 查看 5,228
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