EMI/EMC is a difficult problem for most PCB designs. I hope you can post relevant EMI/EMC information and discussion in one post to help everyone search and discuss! ~...
1. Active safety system Active safety system refers to a safety system that prevents accidents by taking precautions in advance. It is expected to reduce casualties in traffic accidents in the most th...
Can DSPF2812 control two modules that need serial port control with one serial port? A voice module and an LCD module. Both of them need serial port to send commands and receive the same content!...
How should I analyze this circuit diagram, [img=110,0]https://bbs.eeworld.com.cn/ajaximage.php?aid=93546&size=300x300&key=82d8e62ef9272a74cd176c3374945057&nocache=yes&type=fixnone[/img]? How did I bui...
Hello friends: I have a Bosch infrared passive detector. When the alarm is triggered, it outputs a disconnected switch signal. I want to use this signal to control the speaker to send out an alarm sig...
The square wave signal has a low voltage of 0V, an amplitude of 3.3V, and a frequency of 1Hz to 2MHz. How to use analog circuits plus FPGA to measure the rise time of the square wave's rising edge?...
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]
When we travel in cities, we all find that electric vehicles have many advantages. As a means of transportation, they can also fulfill their mission well. Now, more and more residential communities...[Details]
Introduction to the principles of speech recognition technology
Automatic speech recognition (ASR) technology aims to enable computers to understand human speech and extract the textual inform...[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]
Electric vehicles are now widespread, but they've brought with them a host of problems, the most prominent of which is charging. Small electric vehicles (EVs) are a new form of transportation in a ...[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]
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]
In the field of intelligent driving, regulations are becoming increasingly stringent, and the technical threshold continues to rise. Especially after the traffic accident in March 2025, the Ministr...[Details]
In daily life, when we purchase a transformer, we are faced with the installation and wiring procedures. Generally speaking, large transformers such as power transformers are equipped with speciali...[Details]
Common methods for troubleshooting roller press bearing wear include repair welding, thermal spraying, brush plating, and scrapping and replacement. However, these methods are often subject to asse...[Details]
Batteries, at the core of new energy vehicles, are crucial to vehicle performance and range. Existing automotive batteries are categorized into lead-acid and lithium batteries. Currently, new energ...[Details]
We often hear about the precautions for using pure electric vehicles in winter, and many owners even develop relevant strategies, such as adopting a "charge as you go" principle for their vehicles,...[Details]
Electric vehicles are composed of three main components: electric motors, electric motors, and electric vehicles. Maintenance is much simpler than for gasoline-powered vehicles. Maintenance for ele...[Details]
Common Mode Semiconductor has officially launched the GM6503 series—a 5 V, 3 A synchronous step-down DC/DC power module designed for optical communications, servers, industrial applications, and FP...[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]