1. Selection of board materials The substrates of printed circuit boards include organic and inorganic types. The most important properties of the substrate are the dielectric constant εr, dissipation...
In response to the call for disassembly on the forum, I disassembled the CCB U-Shield. Some readers may ask, "Don't you want money? Why disassemble the U-Shield?" Don't worry, I'm not that stupid. Thi...
I have been learning CE for more than half a month, but I have not made much progress. I am very distressed. I have also read some basic books by Mr. He, but I still feel that they are very vague. Mor...
After booting up, click anywhere on the boot screen to jump to the specified screen.First, in the system parameters of the project configuration, there is an "Enable system control area" under the gen...
Yesterday I used a CF card to start vxworks, and it worked! But there was one thing I didn't change, so I thought it wouldn't work, but it worked! The problem is: in sysLib.c, I changed the original a...
Is electromagnetic radiation from electric vehicles harmful to the human body? Recently, the issue of electromagnetic radiation from electric vehicles has garnered widespread attention. However, pu...[Details]
With the rapid adoption of smart electric vehicles, automotive chips are evolving from auxiliary control units to the foundation of the entire vehicle's intelligence. Their applications extend from...[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]
Tools/Materials
Yitong Chuanglian MODBUS to PROFIBUS Gateway YT-PB-03
Siemens s7-300
This article describes how to configure the YT-PB-03 MODBUS to PROFIBUS gat...[Details]
Bearing wear is a common equipment problem in the manufacturing industry. In today's world where controlling production costs is advocated, using repair technology to reduce the scrapping and repla...[Details]
Charge your electric car for just six minutes and you'll get 1,000 kilometers! This isn't just a scene from a science fiction film, but a reality made possible by Guoxuan High-Tech's Jinshi solid-s...[Details]
The transition to SDVs (software-defined vehicles) involves more than just replacing parts; rather, it involves the organic connection of various elements, from internal vehicle systems to ext...[Details]
No one expected that after about a day of downtime, four or five thermostats on the control panel would display four 0000s and flash. We knew it was caused by poor contact of the temperature sensin...[Details]
Fast charging is a method and means of quickly replenishing a vehicle's power. It is the core and most important part of electric vehicles. Speaking of fast charging, everyone is familiar with it. ...[Details]
System Principle
According to the average imbalance rate of the branch three-phase phase line load and the average value of the branch phase line current, the adjustment of the phase line load...[Details]
1. Basic structure and working principle of centrifugal pump
1. Centrifugal pump water pump relies on the high-speed rotation of the impeller to make the fluid obtain greater kinetic energy, a...[Details]
In recent years, portable electronic devices such as mobile phones, digital cameras, music players, tablets, ultrabooks, and laptops have become almost a necessity, raising safety concerns. Besides...[Details]
2. LED display structure and classification
By properly connecting LED chips (including series and parallel connections) and employing appropriate optical structures, light-emitting segments o...[Details]
It's well known that any type of battery will experience a decrease in capacity in low-temperature environments. For example, electric vehicles and battery-powered vehicles experience a reduction i...[Details]
A certain building, a business hotel, was designed with a background music system and emergency broadcast system in mind, taking into account the building's specific conditions and surrounding envi...[Details]
PCB Design
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