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I am using Linux. 1) Can I tell if the sector where a specific file is located is damaged? Can the error returned by the io system call be identified? 2) Can the program scan the disk?...
[size=3][color=#000000][font=微软雅黑]I read some interesting stories about products: [/font][font=微软雅黑]Since the release of Android system, Google’s naming has been closely related to food. Every version...
Structure: The LMS8962 board is connected to the PC, TCP protocol, no operating system. The PC program is written in VC, and all tests are normal. Function: The board sends 3 unsigned ints to the PC, ...
int user_start()
{int nBytes=0;int num=0;char buffer[20];int nByte=0;int fd=0;char buf[200];time_t seconds=0;time_t tim;if((fd=open("/tyCo/2",O_RDWR,0))==ERROR){printf("Error to OPEN the serial!");exi...
introduction
Bluetooth technology is a short-range wireless communication technology designed to replace wired cables. It is a wireless communication technology standard developed by the SIG, ...[Details]
As the number of cars increases, environmental pressures are also increasing. At this time, some people are saying that new energy vehicles are energy-efficient and environmentally friendly, and ar...[Details]
Is pure electric vehicles a false proposition for long-distance driving? At least from my personal perspective, based on current technological and infrastructure standards, I believe so. Below, I'l...[Details]
Topics: Bring Your Own Device (BYOD) trends; the impact of using employees' own mobile devices to control access to work facilities and equipment on information security; and ways to securely imple...[Details]
Have you ever heard stories about "crazy appliances"? Think of microwaves that turn on automatically or ovens that preheat without any human input? With radios and electromagnetic interfaces ubiqui...[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]
Over the past decade, the narrative surrounding fuel vehicles has been one of decline and replacement. Under the onslaught of new energy vehicles, traditional automakers have been forced to acceler...[Details]
Preface
Low-voltage motors are widely used in nonferrous metallurgical plants. Their abnormal operation not only impacts normal production but can also threaten human life. Therefore, providin...[Details]
Tools/Materials
Yitong Chuanglian MODBUS to PROFIBUS Gateway YT-PB-03
Siemens s7-300
This article describes how to configure the YT-PB-03 MODBUS to PROFIBUS gat...[Details]
New version helps developers build secure and trustworthy embedded systems
Shanghai, China—August 21, 2025—
QNX, a division of BlackBerry Ltd., today announced the release of QNX...[Details]
For self-driving cars, LiDAR is the sensory organ that allows them to "see the road." Simply put, its operating principle involves sending out a laser beam, receiving the echo, and ultimately gener...[Details]
0 Introduction
DVI (Digital Visual Interface) is a hot topic in current digital display research and application. Video processing technologies for DVI output not only address issues such as h...[Details]
Which is better, copper braided wire flexible connector or copper stranded wire flexible connector? When choosing copper wire flexible connector, people always struggle with whether to use copper b...[Details]
The assisted driving industry in 2025 stands at the dual crossroads of "large-scale implementation" and "safety upgrades." Cities like Beijing and Wuhan have already issued regulations de...[Details]
The electric motor is one of the most widely used power equipment and plays a vital role in the national economy. However, its high failure rate causes huge economic losses to industrial and agricu...[Details]
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