After the socket is created, the handle value is 1. Is this normal? Before recv, select returns -1, but recv always returns -1. What is the reason? Thank you...
I participated in the group purchase with great expectations. I was so excited to get the 9B96 board, but the screen never lit up after powering on. I downloaded the new program many times and re-plug...
[b][color=#7a95d2]Agilent SAS (Solar Cell Simulator)[/color][/b] When you design new energy related products, you will need fast programmable voltage source/current source that can simulate the output...
When posting, when inviting others to participate, can I directly write the names of multiple people and submit them together? This can save time. For example, the enthusiastic heroes who often answer...
A brief discussion on how to learn linux 1. Why should you learn linux? Of course, the most important thing is hobbies and interests! If you have to learn it, or don't like it at all, please don't was...
Some time ago, I attended the 4th Energy Chemistry Forum of the Chinese Chemical Society and learned about high-energy-density and high-safety batteries. I would like to summarize and share this wi...[Details]
Based on a survey of more than ten intelligent robot companies, this article sorts out and analyzes the current development status of the intelligent industry and the challenges and differences it ...[Details]
In June 2014, the Ministry of Industry and Information Technology issued 4G FD-LTE licenses to China Unicom and China Telecom. Together with the 4G TD-LTE licenses issued to China Mobile, China Uni...[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]
The range of an electric vehicle is crucial to the driving experience, and range anxiety is a common headache when driving an electric vehicle. Although the latest electric vehicles can achieve a r...[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]
Summer is the peak season for buying and using air conditioners. Do you pay attention to the energy efficiency of your air conditioner? Did you buy a DC inverter air conditioner? Do you know the re...[Details]
Analog Devices held a third-quarter fiscal 2025 earnings conference call. Vincent T. Roche, CEO and Chairman of the Board, and Richard C. Puccio, Executive Vice President and Chief Financial Office...[Details]
1. Introduction
In 2015, Apple's new MacBook and Apple Watch both featured force-sensing technology, which Apple calls Force Touch. Each time a user presses the touchpad, the device not only p...[Details]
On August 20, Huawei Device announced that the all-new M7 is the first to feature an in-cabin laser vision solution. This solution offers enhanced active safety capabilities compared to primary vis...[Details]
I believe everyone has heard of memory. If your computer is slow, your experts may recommend upgrading it to a larger capacity. But what exactly is computer memory used for? Why does memory capacit...[Details]
As a core component of electric vehicles, power batteries, like batteries for other electronic products, inevitably experience degradation after a certain period of use due to their characteristics...[Details]
Keysight Technologies reported strong third-quarter results, with revenue and earnings per share exceeding expectations and steady order growth. The company, driven by strong growth across multiple...[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]
The consumer electronics, appliance, industrial, and automotive markets are experiencing increasing demand for sophisticated motor control solutions. Depending on the application, a variety of moto...[Details]