0809 has 8 inputs. I have now connected two of them (the B and C bits of the routing address are grounded. Therefore, 0 and 1 of the A bit can directly select in0 and in1, and C, B, and A are equivale...
USB HID communication requires analog plugging and unplugging. How many MS are required to set the D+ signal line to 0 level? Is there any specific time requirement?...
Looking to buy second-hand development boards for USB2.0 chips such as ISP1581/ISP1583. Just a circuit board with the pins of the chip connected will do. If anyone has one, please add QQ: 332820439....
[align=left]Reposted from: deyisupport[/align] [align=left]Author: George10687[/align][align=left]I still remember the first time I saw a PMBus demonstration. About 8 years ago, I was on a business tr...
What will happen if I call up(&sem) twice on the same semaphore? As the title says, I started with a down(&sem); and due to an error during the release, I called up(&sem); twice. What will happen?...
What is "Car Electronic Fence"
Fleet managers can define a graphical area (regular or irregular) or divide it into administrative zones in Yamei Technology's vehicle backend management system ...[Details]
Recently, Tesla released the "Tesla Car Voice Assistant Terms of Use", announcing that the car voice assistant will be connected to the Doubao large model (Skylark large model) and DeepSeek Chat pr...[Details]
introduction
Sonar imaging is of great significance in marine resource development and defense. Its long range, intuitive display of the observed area, and target identification make it widely...[Details]
Spark plugs are an indispensable device for engines. As the saying goes, without spark plugs, the engine cannot work properly. The serious consequence is that when driving at high speeds, the engin...[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 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]
Before understanding single-phase control transformers, let's briefly understand what a single-phase transformer is. A single-phase transformer uses a single-phase input. Compared to a three-phase ...[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]
The second-generation Snapdragon W5+ and second-generation Snapdragon W5 platforms support users sending and receiving messages via satellite when there is no cellular and Wi-Fi coverage.
...[Details]
In camera and display systems, the demand for high-performance and low-power data interfaces is driving continuous technological evolution. The evolution of MIPI D-PHY and MIPI C-PHY clearly ...[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]
According to reports from Xinhua News Agency, Tianjin University official website and other media, Chinese researchers have recently broken through the bottleneck of energy density and application ...[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]