At the end of June this year, I successfully graduated with a master's degree. After three years of hard work, I was finally freed from my mentor's hands. Hard work pays off. Due to my rich engineerin...
My Linux is Ubuntu, and I can't get into root. I looked at /etc/shadow and found the following:Can any experts please tell me how to solve this? Thank you!...
[table] [tr][td][size=3][color=#000][font=宋体]Ultraviolet LED lamp beads, 1W high power and low power SMD LED lamp beads, please recommend manufacturers with good price and quality, as well as driver p...
I am a novice, just contacted with STM, recently there is a project to use STM8 to directly drive the stepper motor (without subdivision driver) for two weeks. Although the motor can run and accelerat...
As more and more consumers purchase new energy vehicles, the safety of electric vehicles has become a major concern. This has been particularly prominent following a series of electric vehicle fire...[Details]
Electric vehicles are now widespread, but they've brought with them a host of problems, the most prominent of which is charging. Small electric vehicles (EVs) are a new form of transportation in a ...[Details]
In the field of intelligent driving, regulations are becoming increasingly stringent, and the technical threshold continues to rise. Especially after the traffic accident in March 2025, the Ministr...[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]
In daily life, when we purchase a transformer, we are faced with the installation and wiring procedures. Generally speaking, large transformers such as power transformers are equipped with speciali...[Details]
With the gradual popularization of new energy vehicles in recent years, more and more people have been able to access and purchase electric vehicles. The structure of electric vehicles is composed ...[Details]
The Waveshare ESP32-P4-ETH is a compact ESP32-P4 development board with Ethernet and PoE support. It looks very similar to the Olimex ESP32-P4-DevKit, minus the pUEXT connector. However, we've also...[Details]
As in-vehicle audio and video entertainment features become increasingly diverse, the demand for digital transmission of audio and video information is urgent. Traditional protocols such as IEEE 13...[Details]
With the improvement of China's supporting infrastructure and the accumulation of technology and capital, demand for industrial automation and intelligent applications of machine vision technology ...[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]
Since the beginning of summer, high temperatures have continued to intensify, and the national electricity load has frequently broken records. The latest data from the National Energy Administratio...[Details]
Momenta's self-developed assisted driving chip has been successfully launched and entered the actual vehicle testing phase. This is the first time that Momenta has "settled" its own algorithm on an...[Details]
This article uses a heavy-duty off-road vehicle as an example to design a gateway and body control software based on a domain controller (DC). The article also examines the feasibility of u...[Details]
Simply put, CTP for power batteries means the cells inside the battery are directly integrated into the battery pack. This is like having different contents on both sides of an A4 paper, but integr...[Details]
A research team from Pennsylvania State University and the University of Munich has demonstrated the first-ever use of sound waves to control microrobots. These robots, coordinated through sound wa...[Details]
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