：Introduces the principle and circuit of a PWM switching power supply with an operating frequency of 120kHz and an output power of 150W. This power supply adopts a half-bridge power converter with MOS...
I set up the boa server today. When I run it, it always prompts "unable to dup2 the error log: Bad file descriptor". I tried to change the file permissions and the html file name. The file under /etc ...
The TIA Portal software's shift instructions shift the contents of an accumulator bit by bit to the left or right. The number of bits shifted is determined by N. A left shift of N bits multiplies t...[Details]
From being a global leader to losing the market, Korean battery manufacturers have always wanted to regain the lost market and dignity, but facing Chinese battery manufacturers represented by CAT...[Details]
PV DC fuses are safety devices used to protect PV panels, inverters, and DC loads. To ensure their safety and reliability, they must be UL248 certified.
Before applying for UL248 certifi...[Details]
While
the solid-state battery
industry is still engaged in a long technological marathon for
the "ultimate solution" for
electric vehicles
, some companies have begun looking for mor...[Details]
1. Equipment Overview
Shell-and-tube heat exchangers are a common heat exchange device used in chemical evaporation and heating equipment. Currently, the tubesheets of shell-and-tube heat exch...[Details]
Electric vehicles are currently gaining momentum, but this is just a facade. Fuel-powered vehicles remain unchallenged. While electric vehicles boast unique advantages in environmental emissions an...[Details]
Multi-touch mobile phone
Multi-touch is a system that can respond to multiple touches on the screen at the same time. Multi-touch phones are divided into capacitive and resistive types. Capaci...[Details]
On August 25th, Apple's expansion in India encountered new troubles. According to Bloomberg, Foxconn Technology Group has recalled approximately 300 Chinese engineers from India, further hindering ...[Details]
With the rapid advancement of automation technology, collaboration between robots is no longer just science fiction. Imagine dozens of machines moving goods in a warehouse without interfering with ...[Details]
On August 22, the National Energy Administration released the latest data, showing that by the end of July 2025, China's total number of electric vehicle charging infrastructure will reach 16.696 m...[Details]
Since its invention in the mid-1940s, the microwave oven has evolved from a humble beginning to commercial use, entering homes in the 1960s and rapidly gaining popularity. Its basic functionality a...[Details]
In daily life, power transformers have different functions and uses due to different usage scenarios. The most common ones can be divided into: control transformers, isolation transformers, rectifi...[Details]
Compared to cloud databases, minicomputers are purpose-built for decentralized, rugged computing at the edge of the network. By moving applications, analytics, and processing services closer to the...[Details]
Chinese characters are extensive and profound, and there are many different names for ESD tubes. How many of them do you know?
As far as I know, ESD diodes are currently known as ESD p...[Details]
Teletrac Navman has launched the Multi IQ dashcam, a cloud-based solution designed for large commercial vehicle operators. It connects up to five cameras to cover the vehicle's interior, sides, and...[Details]
Automotive Electronics
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