There are many kinds of PCB design software. The main ones used in the market include: Cadence Allegro, Mentor EE, Mentor Pads, Altium Designer, Protel, etc. Among them, Cadence Allegro has the highes...
[size=4]This specification is mainly aimed at the single-chip microcomputer programming language and the 08 compiler, including typesetting, comments, naming, variable usage, code testability, program...
In the original uboot code, there is an initialization function for the system clock, the system_clock_init function in board/samsung/smdkv210/lowlevel_init.S. I took a rough look at it. The registers...
The I2C bus is a serial bus that we often use in our development process.
The main features of I2C include:
1. Only two buses are needed;
2. There is a simple master/slave relationship between all com...
Wireless PPI communication solution between configuration software and S7-200
1. Introduction of the plan
Users choose PPI because it does not require programming, and choose wireless PPI solutions be...
[align=left]Reprinted from [url]http://blog.csdn.net/happydeer/article/details/17023229[/url] [/align] [align=left]Recently, I have read a lot of articles by Steve Yegge. One of them is called "Practi...
introduction
my country has a vast territory and a large population. The scale of housing construction is huge, and the amount of residential construction is large and wide. It is still on t...[Details]
There are three types of mobile TV: one is based on analog TV broadcasting network, another is based on mobile communication network, and the other is based on digital broadcasting network. The f...[Details]
Toyohashi University of Technology demonstrated electric field coupled wireless power supply technology using life-size car tires and roads at the wireless technology exhibition "Wireless Technolog...[Details]
1. When the slip speed regulating motor is undergoing frequency conversion and energy saving transformation, the original excitation box (referred to as the speed regulating box) and the original s...[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]
Distributed Wireless Communication System (DWCS) uses distributed antennas, distributed processing control, joint signal processing and other technologies to improve the system's spectrum efficie...[Details]
For battery-powered portable devices, in addition to breaking through the limitations of processing power, the performance of portable system power supplies also needs to be continuously improved. ...[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]
summary
This article will briefly analyze the success and shortcomings of high-frequency DC-DC switching power supplies in the process of miniaturization (the second basic goal), and propose m...[Details]
The installation locations of DC-DC converters are relatively scattered. DC-DC converters can be found on the power board, main board, logic control board and other circuit boards of PDP color TVs....[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]
introduction
Temperature and humidity are the main environmental parameters of industrial and agricultural production. It is of great significance to measure them accurately and timely. Using a s...[Details]
0 Introduction
In the design and construction of communication systems,
communication power supply
is called the heart of the communication system. The power supply system will dire...[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]
1. Introduction
Stepper motor is a basic component that converts electrical energy into kinetic energy. It has been widely used in a variety of electromechanical equipment, such as various machine...[Details]
PCB Design
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