The parent process can be notified by a signal, but many parent processes want to know more information about the termination of the child process - such as the return value of the child process. If t...
Basic Concepts The specific matching relationship between the load impedance and the internal impedance of the signal source during signal transmission. A certain relationship should be satisfied betw...
I modified the AT89S51 microcontroller to control the GSM module (M22) to send SMS program. It has been compiled on Keil, but I haven't tried to burn it into the chip to run it. . Let's take a look. I...
First of all, I'm using M430F149. I followed the method at http://www.microcontrol.cn/bbs/a/a.asp?B=112&ID=9201&E=1&EID=69&RootID=16594&q=1&r=16594 and there was no problem when the space used was les...
This article describes some of the issues with well-known hardware-based security vulnerabilities and what can be done to mitigate them.
Electromagnetic side channel attacks
Researchers have known abo...
Abstract:
With the increasing complexity of smart vehicle electrical and electronic architectures, the full lifecycle management of vehicle electronic control components faces multiple challe...[Details]
Today's security industry has entered the era of massive networking. Many enterprises, especially financial institutions, have established multi-level video surveillance networking platforms. Lever...[Details]
White light LEDs are voltage-sensitive devices. In actual operation, their upper limit is 20mA. However, the current often increases due to various reasons during use. If no protective measures are...[Details]
On August 22nd, Lantu Motors unveiled a new technology called "Lanhai Intelligent Hybrid" during a live broadcast of CCTV News' "Top Laboratory." The name sounds like another new term, but a closer...[Details]
The Automotive Testing and Quality Assurance Expo (ATE 2025) will open on August 27th. At the expo, Rohde & Schwarz (R&S) will showcase six automotive testing solutions, themed "Intelligently Drivi...[Details]
The automotive industry in 2025 is undergoing a thorough intelligent reshuffle.
Geely wants to make changes in the field of AI cockpits: in the future, there will be no traditional smart...[Details]
SMT placement machines are important equipment in surface mount technology (Surface Mount Technology). Their performance has a decisive impact on the quality and efficiency of electronic manufactur...[Details]
Reflow soldering, as an electronics assembly process, has become a vital component of the electronics manufacturing industry. Choosing reflow soldering equipment is crucial for improving production...[Details]
Magna's integrated in-cabin perception system fuses vision and millimeter-wave radar data to detect the presence of passengers, identify stranded children, monitor driver fatigue and vital signs, a...[Details]
On August 20, Geely announced its focus on "One Cockpit". Through a unified AI OS architecture, a unified AI Agent, and a unified user ID, it will achieve an All-in-One AI cockpit, create the first...[Details]
The screen is the first thing you notice when evaluating a phone's quality. Its quality directly impacts both visual and operational performance. However, understanding mobile phone screens r...[Details]
Driven by business opportunities such as access to new markets and government initiatives like the Belt and Road Initiative, global expansion has become a significant trend for Chinese companies. C...[Details]
With the continuous development of ultrasonic technology, ultrasound has been widely used in fields such as inspection, cleaning, welding, and medical treatment, and has even found its way into tex...[Details]
As the electric vehicle industry continues to surge in today's society, while people are concerned about the appearance and interior of new energy vehicles, they are also concerned about the classi...[Details]
According to foreign media reports, German chipmaker Infineon has recently completed the acquisition of Marvell Technology's automotive Ethernet business for a total transaction amount of US$2.5 bi...[Details]