Today I overclocked the DM642 board I made. I used SDRAM (143M) with a -7 suffix and adjusted the frequency multiplier setting of the PLL chip. I adjusted the original 133M frequency to 150M, and remo...
According to its instructions, it also comes with an adapter cable. But I don’t know if it can be used. [url=http://item.taobao.com/item.htm?spm=a230r.1.14.1.gGoi41&id=27020124516&_u=r13n6hr00a8]http:...
As graduates step out of their ivory towers, whose advice should they listen to? What lessons should they learn on their great journey to independence and autonomy? It might be helpful to listen to th...
I would like to ask a question about career planning: "There is a sequence in learning, and there is a specialization in skills." I am also a bookworm who comes here because of my reputation. I have o...
1. What are the functions of the two MOS tubes M1 and M2 in the circuit diagram?2. What is the feedback loop in the circuit diagram? What function does it play?3. Can this switching power supply be us...
Use of shortcuts: If you want to display a program shortcut on the desktop of the CE platform, the implementation steps are as follows: 1. Create a shortcut. Use a text editing software such as Notepa...
1. Overview
Will passive devices
produce nonlinear intermodulation distortion? The answer is yes! Although there is no systematic theoretical analysis, it has been found in engineerin...[Details]
0 Introduction
With the development of my country's economy, the number of motor vehicles continues to increase. The growth of existing roads and other hardware facilities can no longer meet t...[Details]
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]
In recent years, with the rapid development of the information industry, dot matrix LED display screens have been widely used in various advertising and information display systems such as the fina...[Details]
The concept of state machine
State machine is an important concept in software programming. More important than this concept is its flexible application. In a clear and efficient program, ther...[Details]
Capacitance Measurement
Used to verify that capacitors meet the manufacturer's specifications. For quality control, a group of capacitors may be placed in an environmental chamber and the cap...[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]
Today, the value of electronic components in cars accounts for 15-20% of the total vehicle. In the future, this proportion may be as high as 30-40% as more safety electronics, fuel consumption and ...[Details]
Introduction
Automakers are working to reduce vehicle weight to reduce CO2 emissions and improve fuel efficiency. Designers are therefore seeking new technologies and design techniques that can...[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]
Key Points
1. Now, in addition to high-end smartphones and tablets, users also expect to use touch screens in other applications, and they are gradually appearing in cars and instruments.
...[Details]
With the continuous advancement of various technologies in the field of measurement and control, the baseband subsystem of general measurement and control equipment has entered the fourth generation o...[Details]
The invention of the steam engine ushered in the first conversion of internal energy and mechanical energy for mankind, and the birth of the internal combustion engine at the end of the 19th centur...[Details]
Abstract: Based on the ZigBee parking lot SMS car search system, the location of the vehicle in the parking lot is sent to the owner through SMS, which is convenient for the owner to quickly find ...[Details]
introduction
At present, the research on micron and nanotechnology is very active, which has led to the rapid development of microtechnology and micro-mechanical electronic system (MEMS) t...[Details]
DSP and ARM Processors
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