I have made a USB VIDEO device on wince some time ago (slave, not host), and now my boss needs to make a USB AUDIO DEVICE. The USB part can send data normally, and the recording device on the computer...
Most of the papers or journals I have seen talk about the conversion of AC power into 400V DC output through L6561 PFC, and then the quasi-resonant PWM control of the subsequent stage uses single-ende...
How do I get the dynamic major device number from /PROC/DEVICES? How do I write a script? In which file should I write it? How do I run this script when Linux starts? Thank you!...
When importing OrCAD schematics and PCB files into AD14.0, it prompts "[color=rgb(51, 51, 51)][backcolor=rgb(252, 252, 252)][font=微软雅黑, "][size=24px]F[/size][/font][/backcolor][/color][color=rgb(51, 5...
Now I retested it, with the same board and the same program.Everything was fine with 149,but when I changed it to 2418, the current was 1.3ma, and it would often restart automatically...It's so frustr...
Wave soldering is a crucial electronic component soldering technique used in the production of a wide range of electronic devices, from home appliances to computers to avionics. The process is wide...[Details]
Electric motors and internal combustion engines of the same power have similar torque levels. High power requires high torque, and torque determines a vehicle's acceleration speed, commonly known a...[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]
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]
introduction
According to the China Fire Statistics Yearbook, electrical fires accounted for more than 30% of fire accidents in the past decade, and the trend is increasing year by year. They ...[Details]
A patent disclosed by Ford proposes replacing traditional segmented side curtain airbags with integrated full-width side curtain airbags that span the side of the vehicle and can be deployed simult...[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]
With the advancement of science and technology and the promotion of green, energy-saving, and circular development, the demand for precise control and accurate measurement is increasing. In the pow...[Details]
Smartphones can be incredibly unintelligent. For example, consider an office full of people, each absorbed in their work. Suddenly, the silence is broken by a burst of loud pop music. A colleague's...[Details]
Today,
the Intel®
Universal
Quick Connector (UQD) Interchangeability Alliance was officially established
. At the inaugural ceremony, Intel and its first certified partners—Invicta...[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]
Blackfin® 16-/32-bit embedded processors offer high performance, low power consumption, flexible software features, and scalability, making them suitable for converged applications such as multi-fo...[Details]
The motor is a very important component for new energy vehicles. In terms of vehicle power, pure electric vehicles use electric motors instead of traditional diesel/gasoline engines. For electric v...[Details]
Amid the increasing complexity of electronic system power management,
power architecture design
is undergoing a paradigm shift from experience-driven to tool-enabled.
Analog
Devices...[Details]
At the 2025 KeyBanc Investor Conference,
ON
Semiconductor CEO Hassane S. El-Khoury, framing global industrial transformation as the basis for
his strategic layout in two high-growth sect...[Details]
Embedded System
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