I used Altium Designer 9 to draw a PCB, but some problems occurred during layout. For example, the CR-2032 battery holder and the capacitor numbered C6 shown in the figure below are usable in practice...
Common fiber optic connectors in the security industry include ST/PC, SC/PC, and FC/PC (no price difference). ST/PC is a bayonet type, mainly used on multimode optical fibers, and is relatively conven...
The small board on the 5749 has only 64 pins, while the large board has 100 pins. What's going on? Also, can the small board be used alone? Its power supply should be 3V3. Can I borrow an LM1117??...
[i=s]This post was last edited by Jacktang on 2018-4-20 08:57[/i] [color=#111111][backcolor=rgb(251, 251, 251)][font="][size=3][b]Reflector Antenna Design and Calculation Example[/b][/size][/font][/ba...
Hello everyone: I downloaded the ADI SPICE Model Library (zip) compressed file from the following ADI official website. After decompressing it, I got an ADI_All_Spice_Models folder. But I don’t know h...
Questions about the design of a 150HZ low-pass filter circuit? According to the diagram on the Internet, a 150HZ low-pass filter circuit was built. LM358 was selected, and the resistors were R1=R2=10K...
Project Overview
The micro urine analyzer we designed can detect ten parameters of urine, including white blood cells, nitrite, urobilinogen, protein, pH value, occult blood, specific g...[Details]
With the continuous improvement of living standards and the increase in the proportion of urban aging, the household use of medical electronic equipment has gradually become a trend. Among them, the...[Details]
At present, a hot spot for the research and development of hearing aids abroad is concentrated in China. To be more precise, it is based on the research of Chinese language and speech, and the deve...[Details]
Preface
Sleep apnea is a very common sleep breathing disease. According to research, about 24% of adult men and 9% of adult women, or more than 2 million people, suffer from this disease ...[Details]
With the rapid development of digital technology, various digital display screens have emerged, including LED, LCD, DLP, etc. There are various control systems for various digital large screens, in...[Details]
In the field of software development, the most critical but also the most unpredictable phase is the debugging phase. There are many factors that play a role in the process of software debugging, a...[Details]
0 Introduction
SAA7111 is a programmable video processor produced by Philips. The chip integrates A/D and decoding functions. It has phase lock, automatic clamp, automatic gain control, cl...[Details]
introduction
The fall detector is suitable for elderly people and children with poor self-care and self-protection abilities. It senses changes in the body posture of the individual wearing th...[Details]
Among the many candidate standards for China's mobile TV, the CMMB standard proposed by the Broadcasting Science Research Institute of the State Administration of Radio, Film and Television is aime...[Details]
In order to ensure the reliability of the driving assistance system and the basic functions of the car, and also to leave suitable connection interfaces for the car's future new entertainment and ...[Details]
Introduction
The home ECG and blood pressure monitoring system consists of a data acquisition and recording device and a host computer electronic medical record management system. Therefor...[Details]
Abstract
: This paper introduces the general structure of the driver under the currently popular open source embedded operating system μClinux, as well as the connection between the touch scr...[Details]
1. Intrusion Detection System (IDS)
IDS is the abbreviation of "Intrusion Detection Systems" in English, which means "Intrusion Detection System" in Chinese. Professionally speaking, it monito...[Details]
Focus shift problem
Visible light and infrared light have different wavelengths, so the imaging focus is not on the same plane, which results in a clear image under visible light condition...[Details]
China National Stadium Project Introduction
The National Stadium (Bird's Nest), the main venue for the opening and closing ceremonies of the 2008 Beijing Olympic Games, is located on the g...[Details]
PCB Design
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