I used to use STM32F103V8, but this time I changed to STM32F103VB, bought 30, but there was a problem. I soldered two boards, and the crystal oscillator of one board would only start to oscillate (11....
[CCIDnet News] June 10th news: National Semiconductor Corp., which produces both analog and digital chips, announced its fourth-quarter results on Thursday. The company's profit increased this quarter...
The variable gain amplifier AD603 is used as the gain control. AD603 is a low noise, precision controlled variable gain amplifier with high temperature stability. Its gain is linearly related to the c...
[size=5]During the stable operation of the lamp circuit, the voltage on the lamp tube is stable, so the lamp power mainly depends on the size of the lamp current, and the size of the lamp current is r...
I recently started learning ARM programming, and I think ARM's interface technology is very important. Things like interrupts, RTC, UART, SIO, IIC, etc. make me confused. I don't know where to start. ...
1. Project Overview
1.1 Introduction
Currently, most music files are saved in MP3 format, a lossy audio compression format that cannot perfectly reproduce the original music. With the exp...[Details]
To understand why car engines need gearboxes, we must first understand the characteristics of different types of engines. An engine refers to a machine that can convert a form of energy into kineti...[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]
New energy pure electric vehicles generally accelerate faster than comparable fuel-powered vehicles, both from a standing start and while accelerating. Many believe this is simply due to the motor'...[Details]
As time goes by, people are increasingly concerned about their own and their families' health. However, existing monitoring devices for individual vital signs have struggled to gain market share du...[Details]
On August 25th, SK Hynix announced that it has completed development and entered mass production of its 321-layer, 2Tb QLC NAND flash memory product. This achievement marks the world's first applic...[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]
A multilevel inverter converts a DC signal into a multilevel staircase waveform. Instead of a straight positive-negative output waveform, the output waveform of a multilevel inverter alternates in ...[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]
With the gradual popularization of new energy vehicles in recent years, more and more people have been able to access and purchase electric vehicles. The structure of electric vehicles is composed ...[Details]
Compiled from semiengineering
The industry is increasingly concerned about power consumption in AI, but there are no simple solutions. This requires a deep understanding of software and ...[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]
At present, the most troubling thing about pure electric vehicles as new energy sources is not only the range anxiety, but also the disadvantage of long charging time. At present, ternary lithium b...[Details]
Electronics engineers all know that transient voltage suppression (TVS) diodes are used to protect ports, preventing damage to downstream circuits caused by transient voltage surges. In short, TVS ...[Details]