Functional Description This project includes two buttons and a 4-digit digital tube display, which together realize a 24-second countdown of , and have the functions of pausing and re-counting. The sp...
In the single-chip minimum system, to ensure that the program starts to execute from the internal program memory, EA/VPP must be connected to a high level. But when I look at some circuit diagrams, so...
[align=center][/align] I often see UP hosts recommending "White Snake" on Bilibili. I watched it today and thought it was really good. I rarely recommend movies to others, but today I recommend it. I ...
[If you don't understand, ask] I saw a three-phase inverter design document from TI. Regarding the design of active Miller clamp, this is the original words: "During the switching process of IGBT, dis...
As shown in the picture, written by Marcel PelgromPage 27 of the book, Van der Pauw structure used to measure sheet resistance, according to the physical meaning, formula 2.22 is correct, because the ...
How to use modern oscilloscopes to achieve accurate measurements (Part 3) : https://training.eeworld.com.cn/course/438How to use modern oscilloscopes to achieve accurate measurements Part 3...
In
circuit design,
current
measurement
is widely used, and the main fields are divided into three categories: in measurement,
the electric meter
is used to measure the curre...[Details]
1. What is temperature?
Heat is a type of molecular motion. The hotter an object is, the faster its molecules move. Absolute zero is defined as the temperature at which all molecular motion ...[Details]
Investment in
the
medical device
industry has been on the rise in recent years. In the past two years, venture capital for medical devices has almost doubled, reaching $4 billion in 2007. Fr...[Details]
With concerns about the growing energy crisis, motor efficiency has become an important and timely topic. This is because motors use 63% to 70% of the electricity produced in the United States and ...[Details]
Recently, news came from the certification department that the photovoltaic grid-connected inverter of Samil New Energy Co., Ltd. (hereinafter referred to as "Samil New Energy") has once again obta...[Details]
0 Introduction
High-precision current source can provide high-precision current supply for precision instruments, and is suitable for automatic measurement tasks of various resistors in semico...[Details]
This article will introduce a design method for a distributed control system used in a tracking car, which can perform distributed control of motor modules, sensor modules, and lighting control mod...[Details]
Introduction
Nowadays, people pay more and more attention to the security alarm system, and people have higher and higher requirements for the functions and performance of the alarm. This paper prop...[Details]
At present, a large number of cooling tower fans, speed fans and special fans are in use in petroleum, chemical, pharmaceutical, metallurgical and other enterprises. Some fans have no monitoring in...[Details]
1 Overview
In the field of traditional lighting, the concepts and definitions of lamps and lamps are clear. Lamps and lamps have their own applicable product standards, supporting technical st...[Details]
Direct digital frequency synthesis (DDS) has fast frequency switching and modulation capabilities and is widely used. However, when low power consumption and low cost are the main considerations, D...[Details]
Currently, high-frequency and high-efficiency DCDC converters are increasingly used in automotive electronic systems.
High switching frequency can use smaller power inductors and output filter...[Details]
Power supply is often the most easily overlooked link in the circuit design process. In fact, as an excellent design, power supply design should be very important, which greatly affects the perfor...[Details]
Energy conservation and environmental protection are the main directions of current automotive technology research, and power batteries are the key to electric vehicle technology. Research on powe...[Details]
1 Introduction
With the development of computer technology and information technology in the world, the global information age has arrived. All countries are formulating their own development p...[Details]
FPGA/CPLD
京公网安备 11010802033920号
EEWORLD
