Whether it's hot in the summer or cold in the winter, passengers can always enjoy a comfortable interior environment through the car's heating and cooling systems. The complexity and degree of automat...
[align=left][b][font=宋体][size=13.5pt]I. Working Principle of Integrated Analog Multiplier [/size][/font][/b][/align] [align=left][font=宋体][size=3](I) Basic Characteristics of Analog Multiplier [/size]...
I have been working on 12864 recently, but because the MCU I use has limited IO, I use the serial method. But when I run the data readback program I wrote, I find that the microcontroller does not rea...
First of all, thank you for your support. Our project has been approved. Here are some pictures of my board: [img=110,0]https://bbs.eeworld.com.cn/forum.php?mod=image&aid=216419&size=300x300&key=6c186...
Common terms for uninterruptible power supply Note: If the fuse used is not the same specification as specified by the original manufacturer, it may cause machine failure or cause a fire in the line, ...
The following code works on some computers but not on others: IBaseFilter* CreateDVBSNetworkProvider(void) { IDVBTuningSpace2 *tuningspace; BSTR name; CLSID clsid; IBaseFilter *provider; int test; tun...
With the rapid development of intelligent control technology, computers and information technology, the trend of information appliances IA (Information Application), computers and communications integ...[Details]
Printed circuit boards ( PCBs
)
are used in most electrical products
. If a PCB has low
insulation resistance
(IR), the performance of the circuits on the PCB will be greatly reduced...[Details]
The rectified DC voltage is then converted back to AC using power electronics such as insulated gate bipolar transistors.
The output voltage is switched on and off at a high frequency, control...[Details]
With the rapid development of cities and the improvement of citizens' living standards, the number of various vehicles in cities is growing, and the demand for parking spaces in major commercial an...[Details]
Electric bicycles have long been a means of transportation for lower-income groups due to their affordability. The largest concentrated expense in the use of electric vehicles is the cost of replac...[Details]
1. Introduction
With the rapid development of computer technology, communication technology, and integrated circuit technology, the large-scale application of field control instruments and equ...[Details]
Some people think: as long as the program runs well, it doesn't matter how the original program is written. But this is absolutely not the case. Software is not completed in one go, and it is neces...[Details]
The battery and its management system are one of the key technologies of electric vehicles. In the past few years, most companies have encountered embarrassment in the development of electric vehic...[Details]
The cruise control system (CCS) of a vehicle is also called a constant speed driving system. It is an electronic control device that uses advanced electronic technology to automatically adjust the ...[Details]
introduction
In the late 1990s, due to the great safety issues of liquid cobalt lithium-ion batteries, people studied and developed polymer lithium-ion batteries. In addition to the performanc...[Details]
0 Introduction
This paper designs a dot matrix LED text display screen that is easy to update, expandable, and low-cost. The ways to reduce costs are: ① Use the Bluetooth data transmission...[Details]
1. Electromagnetic compatibility design
Electromagnetic compatibility refers to the ability of electronic equipment to work in a coordinated and effective manner in various electromagnetic env...[Details]
Modern communication equipment, portable electronic products, laptops, electric vehicles, small satellites, etc. generally use batteries as power sources and are widely used. However, the batteries...[Details]
1 Introduction
The early stage control system used relay control. Due to the large number of stage equipment, the number of control elements is huge and the wiring is complicated. Therefore, th...[Details]
0 Introduction
In the fields of petroleum, chemical industry, metallurgy, electricity, textile, light industry, water conservancy and other industries and scientific research, relevant pressur...[Details]