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S 文章(这部分加style只是为了看效果,基本上表现都受编辑器设置控制)RC charging calculation method
Reprinted from: http://hi.baidu.com/cumtsun/blog/item/b8ee5f16561cae4e20a4e93c.htmlExample 1 : As shown in the figure, ...
Whether it is high or low, the relay will work. When it is high, the voltage difference between the 3rd and 4th pins of the optocoupler is 10V, and the relay is 24V. Shouldn't it be 0 when it is high?...
Hello everyone, I have a few questions to ask you. I am studying the Bluetooth device of embedded system recently. The CPU used is s3c2443, and the OS is WinCE Platform Builder 5.0. I want to build a ...
Now I have a large constant array const int testdata[1000]. In order to save memory, I want to put it in the code segment. How do I declare it? In the past, in the microcontroller, the bytes were simp...
The problem of HPS accessing the i/o port of FPGA through the HPS-to-FPGA bridge. It is not a lightweight bridge. Has anyone done it before? I have been working on it for two days, but it doesn't work...
Dear heroes, the clock of the crystal oscillator is main_clk. After dividing the clock, we get the AD clock AD_clk. However, in the actual circuit diagram, I connected AD_clk to the pin corresponding ...
This article discusses how to wake up a touch-sensitive device such as a tablet without touching the device, using basic gesture recognition and novel proximity sensors. The article discusses the p...[Details]
We know that microcontroller development tools generally include real-time online emulators and programmers. Among them, online emulators are very good tools, but they are also more expensive...[Details]
1 Introduction
Building Automation System (BAS) is a distributed monitoring system (DCS) designed according to distributed information and control theory. It is the result of the mutual de...[Details]
1 Introduction
With the development of control, computer, communication, network technology, etc., a new control technology, namely fieldbus, has emerged in the field of industrial control...[Details]
As a simple and practical input device, buttons have been used in various microcontroller application systems and are ubiquitous. However, the buttons used in different practical occasions are also...[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]
Only a small number of LED manufacturers can produce high-quality LEDs. For applications that are only used for simple indication, low-quality LEDs are sufficient. However, high-quality LEDs must...[Details]
1. Introduction
With the increasing popularity of fully automatic washing machines, consumers have higher and higher requirements for their environmenta...[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]
Analysis of the three core aspects of digital TV transmission standards
According to the differences in regionality, transmission method and modulation method, the transmission method needs to...[Details]
1 Development of LED Film and Television Lighting
1.1 The significance of developing film and television lighting
Lighting power consumption accounts for a large proportion of the total p...[Details]
Currently, the commonly used solar cell technologies include monocrystalline silicon solar cells and polycrystalline silicon thin-film solar cells. Production process: Monocrystalline silicon solar...[Details]
1 Load Regulation
Changes in power supply load will cause changes in power supply output. When the load increases, the output decreases, and vice versa, when the load decreases, the output inc...[Details]
Mobile phones, MP3s, tablet computers, laptops, digital cameras, handheld game consoles, navigation devices, etc., all these mobile devices are powered by mobile batteries, and the battery life is ...[Details]
introduction
The Steyr diesel engine produced by Weifang Diesel Engine Factory has huge power and is one of the main power models widely used in China's heavy machinery and large trucks. In ...[Details]