I installed keil6.5 today, but got 7.5, so I uninstalled 6.5. After installing 7.5, I uninstalled it again, and installed it again, and found that I couldn't install it anymore. It also prompted: Ther...
I want to choose an arm chip recently. It requires an MMU and I want to run Linux. In addition, I don't want to add RAM and ROM. Please recommend an arm chip that can meet the above requirements. Than...
No op amp circuit is used. Just a pure amplifier circuit. Common emitter collector or other types are fine. What kind of transistor should be used? Please help....
When debugging the process communication on DSP, a rather bizarre phenomenon occurred. After I changed the original DWORD, that is, unsigned int type variable into unsigned long, the program went wron...
[i=s] This post was last edited by 90houyidai on 2014-10-19 21:30 [/i]This warning function, I traced other interrupt functions and found that they were all declared in mxchipWNET.h, only this one is ...
With the promotion of the construction of intelligent communities in the country, anti-theft systems have become essential equipment for intelligent communities. Especially in recent years, the urg...[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]
We know that the inverter consists of two parts: the main circuit and the control circuit. Due to the nonlinearity of the main circuit (switching action), the inverter itself is a source of harmoni...[Details]
Since AC mains power may experience power outages, voltage sags and surges, continuous undervoltage and overvoltage, and frequency fluctuations during supply, these factors will affect the continuous ...[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]
Nowadays, more and more people have digital cameras. The convenience and speed of digital cameras have gradually replaced film cameras and become the main tool for people's daily photography. The n...[Details]
The power supply is the core component of a computer. Although it is not of high value, all computer components rely on the switching power adapter to provide energy, so the stability of a power su...[Details]
Introduction
my country's rapid economic growth is mainly due to the development of manufacturing and the acceleration of urbanization. However, urbanization cannot be achieved at the expense ...[Details]
There are many types and styles of digital voltmeters in design and development. Traditional digital voltmeters have their own characteristics. They are suitable for manual measurement on site. Tra...[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]
1. Basic principles of organic/polymer solar cells
The basic principle of organic/polymer solar cells is to use the photovoltaic effect generated by light incident on the heterojunction of sem...[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]
With the development and application of liquid crystal display technology, more and more developers want to use liquid crystal screens to display Chinese characters in the instruments and equipment th...[Details]
1. Overview
With the development of science and technology, PLC is increasingly used in industrial control. The reliability of PLC control systems directly affects the safe production and economic o...[Details]
Embedded System
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