Improvement of online detection method of battery remaining capacity under high noise conditions Abstract: Firstly, the shortcomings of several traditional methods for detecting the remaining capacity...
IC information: 8 pins, the logo on the IC surface is NC03. I need the pin diagram and technical parameters first. I hope someone can provide them. Thank you very much....
Using the serial port 1 of stm32, interrupt mode. Every time after burning the program, I can receive 00 characters through the serial port debugging assistant. What's going on? Thank you. . . ....
[size=4]The project needs to use an op amp powered by both positive and negative power supplies. The positive power supply is +5 volts from the USB input. The charge pump chip used before was TC7662A ...
Abstract: This paper introduces the implementation method of the current detection circuit, and discusses the problems of current transformer saturation and secondary current droop that are often enco...
1. Introduction
Electronic scales are gradually replacing traditional measuring tools like springs and balances in everyday life, such as electronic price computing scales and electronic weigh...[Details]
With the increasing number of new energy vehicles on the road, the deployment of supporting facilities for these vehicles has accelerated, and new energy vehicles have gradually entered the vision ...[Details]
According to Nikkei, Japan has performed poorly in responding to China's power semiconductor challenges.
There are five major companies in Japan's power chip market: Mitsubishi Electric,...[Details]
The difference between a series inverter and a parallel inverter is that they use different oscillation circuits. A series inverter connects L, R, and C in series, while a parallel inverter connect...[Details]
The drive shaft is the shaft in a universal joint that transmits power. As a high-speed, low-support rotating body, its dynamic balance is crucial. Generally, drive shafts undergo dynamic balancing...[Details]
As my country's industrialization continues to improve, environmental pollution is also facing tremendous pressure. In recent years, national environmental protection policies have become increasin...[Details]
While aberration theory is a vast subject, a basic understanding of some fundamental concepts can make it easier to understand: spherical aberration, astigmatism, field curvature, and chromatic abe...[Details]
In the first half of 2025, Chinese companies demonstrated overwhelming advantages in the world's four major material fields: in the global loading of positive electrode materials, Chinese companies...[Details]
According to foreign media reports, due to the massive expansion of Chinese companies in the global electric vehicle market, the capacity utilization rate of South Korea's three major battery manuf...[Details]
2025 World Expo
On August 10, 2025, Beijing—themed "Making Robots Smarter, Making Bodies More Human," the 2025 World Robot Expo opened grandly at the Beijing Beiren Yichuang International Exhi...[Details]
With the accelerated evolution of automotive intelligence and connectivity, the complexity of electronic control systems is growing exponentially, and development cycles and quality requirements ar...[Details]
Market research firm Counterpoint released a report today stating that the global passenger car audio system market is primarily dominated by two major manufacturers, Harman and Bose, who together ...[Details]
With the widespread adoption of the internet, various broadband services are increasingly demanding access bandwidth. Popular applications such as IPTV (including VOD, standard-definition, and ...[Details]
With the rise of Industry 4.0 and intelligent manufacturing, the real-time performance and accuracy of industrial robot vision systems have become key determinants of production efficiency and prod...[Details]
Last week, several foreign media reported that Apple announced that it would cooperate with Samsung Electronics' wafer factory in Austin, Texas to produce CMOS image sensors. Samsung Electronics' f...[Details]
Test/Measurement
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