It has been one and a half years since I graduated from college. I would like to know the registration requirements, registration website, registration process, etc. for the electronic engineer certif...
Like helper2416, I once again feel that it is really not easy to make a platform-level core board. Here is a photo first, it is not the final version. The system is already very stable, but the line s...
Some people say that high definition is one of the development trends of the security industry in 2010. Looking at major manufacturers, including Hikvision, Sony, Lerong, and Langchi, many security ma...
Under 2440 wince5.0, I am making a 2X4 numeric keyboard driver, using the interrupt mode EINT0 EINT2 EINT11 EINT19. When a key interrupt occurs in the program, it scans which key is pressed, and then ...
1. Xifanma [url] http://www.xifanma.com/ [/url] Selected celebrity photos, displayed in a wall-mounted style, the visual effect is very good. 2. Psychology Network - Change Starts Here [url] http://ww...
This book is an authoritative work in the field of microwave filter design. The first two chapters introduce the basic concepts and theories of communication systems; Chapters 3 to 7 describe the tran...
introduction
For the voltage regulator modules (VRMs) that power the latest computer central processing units (CPUs), power supply designers have historically used multiphase interleaved b...[Details]
1 Introduction
As an emerging microfabrication technology, micro-electromechanical system (MEMS) technology has begun to be applied in various fields. It can integrate functions such as inform...[Details]
1 Introduction
PROFIBUS is an international, open, and manufacturer-independent fieldbus standard. It is widely used in manufacturing automation, process industry automation, and automatio...[Details]
Flooded Batteries
This battery developed in Germany can be used to power flashlights, strobe lights and toys as long as it is filled with water. This battery can be stored for 50 years and can...[Details]
Introduction
Liquid crystal, as a display device, is widely used in low-power products such as instruments, meters, and electronic equipment with its unique advantages. In the past, the displ...[Details]
Problems such as the depletion of natural resources, air pollution, traffic congestion, and rising fossil fuel prices have forced societies and individuals to seek alternative means of transportati...[Details]
Motors, especially those with brushes, generate a lot of noise. This noise must be dealt with if the appliance is to meet the requirements of EMC standards. The means to solve EMC are nothing more ...[Details]
Introduction
In industrial control, speed measurement is often required. Generally, a contact tachometer is used. This tachometer must be placed against the center of the shaft to measure. It...[Details]
0 Introduction
Under normal circumstances, the three-phase power in the power system is symmetrical, and they meet certain amplitude and phase conditions; but when the load changes, the syst...[Details]
Currently, each country is developing its own USB interface
charging specifications
, which leads to a major problem that a USB interface
charging
device manufactured in one country...[Details]
1 Embedded Systems
Embedded System refers to a collection of computer hardware and software with specific functions or purposes, which is divided into embedded software system and embe...[Details]
1 What is an LED floodlight?
LED downlights are also called spotlights, projection lamps, and spotlights. They are mainly used for architectural decorative lighting and commercial space lighti...[Details]
LED is the abbreviation of the English word. Its main meanings are: LED = Light Emitting Diode, a solid-state semiconductor device that can convert electrical energy into visible light. It can dire...[Details]
1 Introduction
With the rapid economic development, my country's electricity demand has been growing at a rate of more than 20% per year. According to the current economic development trend an...[Details]
The most important components of new energy electric vehicles are power batteries, electric motors and energy conversion control systems. The power battery must achieve high performance such as fas...[Details]
Talking
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