As a professor at the School of Economics and Management of Beijing University of Posts and Telecommunications and director of the Center for Competitiveness and IT Economics, Dr. Zeng Jianqiu believe...
Use 8155 to expand the I/O port of 89s51 microcontroller; connect the P0 port of the microcontroller to the AD line of 8155, P2.7 to CE, P2.6 to IO/M; connect WE, RD and ALE accordingly. My program is...
[b]In motor control, I want to send sampled data to a computer for viewing. The sampled data is a floating point number. But the SCI register is only 8 bits. I converted the floating point number into...
[i=s]This post was last edited by 574433742 on 2015-7-29 18:21[/i] I haven't learned C language for a long time, so today I am going to relive the past. As a newbie, I learn C language every week and ...
Maybe I thought things were too simple. I was tortured by the AT24C512 for almost two days. Without reading the data sheet carefully, I wrote the driver according to my (in)normal understanding. Singl...
I would like to ask, for example, if the system needs a +24V power supply, but it is not convenient to provide this voltage externally, then is it reasonable to use an amplifier circuit to amplify +12...
At present, the development of wireless power supply technology for electric vehicles (EVs) is becoming more and more active. In 2012, Volvo of Sweden established Volvo Technology Japan in Tokyo as...[Details]
Automotive applications are particularly sensitive to EMI events, which are unavoidable in a noisy electrical environment consisting of a central battery, bundled wiring harnesses, various inductiv...[Details]
In order to highlight the concept of "energy saving and environmental protection" of intelligent buildings, solar street lights are designed for intelligent communities. The inclination and capacit...[Details]
introduction
The emergence of high-performance, low-power embedded CPUs and high-reliability network operating systems has made it possible to implement applications with large amounts of comp...[Details]
Although it is relatively easy to check the stability of a simple amplifier at lower frequencies, it may be much more difficult to evaluate the stability of a more complex circuit. This artic...[Details]
1 Introduction
Water resources are the basic conditions for human survival and the lifeline of economic development. The reality shows that due to the global shortage of water resources and th...[Details]
With the advocacy and implementation of the government's Safe City Plan, the security market has increasingly higher requirements for the clarity of surveillance images. Imagine that after a case o...[Details]
Continuity test
A variety of devices need to be checked for continuity, including cable assemblies, printed circuit boards, and connectors to ensure that these components have the expected contin...[Details]
introduction
MEMS is a high-tech that has flourished on the basis of integrated circuit production technology and dedicated micro-electromechanical processing methods. Pressure sensors develop...[Details]
With concerns about the growing energy crisis, motor efficiency has become an important and timely topic. This is because motors use 63% to 70% of the electricity produced in the United States and ...[Details]
According to the Industrial Technology Research Institute of Taiwan, due to factors such as the oil crisis and global warming, the issues of energy conservation and environmental protection have at...[Details]
Currently, each country is developing its own USB interface
charging specifications
, which leads to a major problem that a USB interface
charging
device manufactured in one country...[Details]
Fruit planting is an important part of China's agricultural development, and fruit tree pest control operations are becoming more and more important. At present, the overall level of pesticide applica...[Details]
A few days ago, I bought an 8LED flashlight in the market (the flashlight uses No. 5 batteries). Because I had other things to do, I didn't pay attention when purchasing it. When I got home and use...[Details]
The most important components of new energy electric vehicles are power batteries, electric motors and energy conversion control systems. The power battery must achieve high performance such as fas...[Details]
RF/Wirelessly
京公网安备 11010802033920号
EEWORLD
