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技术资料 基于单片机的酒精浓度测试仪设计

按照测试仪实现的要求功能,使用单片机搭以其它硬件对各个模块进行设计,通过对电路的设计分析,实现酒精测试仪的各个模块的指标要求。并通过对软件进行设计,并进行调试、测试,结果表明,测试准确,结构简单,稳定性强。According to the required functions realized by the tester, the single-chip microcomputer is used to d ...
https://www.eeworm.com/dl/897636.html
下载: 6
查看: 2991

技术资料 B型剩余电流保护器设计

随着光伏发电系统快速发展,以及电动汽车充电桩的普及,传统的剩余电流保护器无法满足实际需求。介绍了一款B型剩余电流保护器,采用磁调制剩余电流互感器和零序电流互感器采集剩余电流。根据GB/T 22794—2017标准要求,可识别1 kHz及以下的正弦交流、带和不带直流分量的脉动直流、平滑直流等剩余电流信号。经信号调理电路将电压 ...
https://www.eeworm.com/dl/831618.html
下载: 5
查看: 8065

技术资料 基于STM32单片机控制的电动微耕机研制

以大棚内工作环境和作业要求为依据设计了一种纯电动微耕机,以STM32F4芯片作为微耕机主控芯片,附加惯性导航传感器、无线遥控等设备,实现微耕机的远程遥控作业,以此达到节能环保、减轻劳动强度、提高作业效率的目的。试验结果表明:该微耕机作业效率为3.3h/hm^2,耗电量为18kW·h/hm^2,经济性和工作效率远高于市面上同规格其它 ...
https://www.eeworm.com/dl/897612.html
下载: 8
查看: 529

技术资料 基于单片机的鳗鱼养殖水质参数监测系统

采用STC89C52单片机作为设计的核心,通过传感器检测水中的pH值、溶解氧、温度以及浑浊度.系统通过对应的传感器探头检测到数据后再经过ADC0832传送给单片机,并实时显示在LCD12864液晶显示屏上.单片机根据养殖环境判断水质是否达到水产养殖的水质要求,并在水质不符合养殖要求时,通过GSM短信模块发送短信,通知养殖人员及时采取 ...
https://www.eeworm.com/dl/898901.html
下载: 7
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教程资料 《器件封装用户向导》赛灵思产品封装资料

Introduction to Xilinx Packaging Electronic packages are interconnectable housings for semiconductor devices. The major functions of the electronic packages are to provide electrical interconnections between the IC and the board and to efficiently remove heat generated by the device. Feature sizes a ...
https://www.eeworm.com/dl/fpga/doc/32374.html
下载: 179
查看: 1072

可编程逻辑 《器件封装用户向导》赛灵思产品封装资料

Introduction to Xilinx Packaging Electronic packages are interconnectable housings for semiconductor devices. The major functions of the electronic packages are to provide electrical interconnections between the IC and the board and to efficiently remove heat generated by the device. Feature sizes a ...
https://www.eeworm.com/dl/kbcluoji/39540.html
下载: 33
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数据结构 The government of a small but important country has decided that the alphabet needs to be streamline

The government of a small but important country has decided that the alphabet needs to be streamlined and reordered. Uppercase letters will be eliminated. They will issue a royal decree in the form of a String of B and A characters. The first character in the decree specifies whether a must come ( B ...
https://www.eeworm.com/dl/654/161975.html
下载: 197
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通讯/手机编程 一款用JAVA制作开发的小型聊天软件

一款用JAVA制作开发的小型聊天软件，里面附有安装程序和JAVA源代码。 Visual Chat 1.91 Developer Edition - Customize the Visual Chat code regarding your own requirements - Use customchatdev.html for developing / testing - Create .jar and .cab-files containing client-specific .class-files and the images- ...
https://www.eeworm.com/dl/527/311077.html
下载: 157
查看: 1133

加密解密 RSA ( Rivest Shamir Adleman )is crypthograph system that used to give a secret information and digit

RSA ( Rivest Shamir Adleman )is crypthograph system that used to give a secret information and digital signature . Its security based on Integer Factorization Problem (IFP). RSA uses an asymetric key. RSA was created by Rivest, Shamir, and Adleman in 1977. Every user have a pair of key, public key a ...
https://www.eeworm.com/dl/519/484599.html
下载: 181
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技术资料 基于TPS54340的汽车类5V/2.1A USB充电器设计包括BOM及原理图

描述   This USB 3.0 charger provides 5V @ 2.1A over an automotive input range of 8V - 40V. It uses the integrated FET TPS54340 PWM Buck controller and implements cable voltage droop compensation. A TPS2546 charging port controller provides data line switching plus an integrated FET with du ...
https://www.eeworm.com/dl/845368.html
下载: 10
查看: 1215