Whether you are a fan or not,
Recently, you must have been actively or passively involved
In the hot topic of world football competition...
In fact, we don’t haveWhat about the various world-class “cu...
My girlfriend is from Nantong, Jiangsu, and I am from Wenzhou, Zhejiang.
I don't drink alcohol, smoke, or play cards.
My girlfriend's parents used to drink, but now they don't drink much. What should ...
The ideal waveform should not have this middle section...
The first picture takes too long to use 6.2usThe second picture has a shorter time and can be 2.4us...
Preface
By default, the chip runs at 4MHz internal clock after reset. In order to run at high performance, we need to configure the system clock to run at the maximum clock frequency. This article tes...
U8g2 is a monochrome graphics library for embedded devices. It is simple and clear. It is mainly used in embedded devices. Of course, our powerful NUCLEO-U575ZI-Q is definitely supported. Today, we wi...
[i=s]This post was last edited by qinyunti on 2022-12-15 14:21[/i]background:
Sometimes when the STM32 program is abnormal, for example, the clock frequency of the configured RCC exceeds the operable ...
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]
When choosing a laptop battery, you should consider several factors, such as power, appearance, and quality.
Regarding power, we often see that a manufacturer uses values such as the number ...[Details]
0 Introduction
With the development of society, people pay more and more attention to security work. Monitoring products have been used in various fields instead of being used only in importan...[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 Introduction
There have been many studies on the detection and protection of power grid short circuit and line fault. The short circuit, overload and overvoltage protectors on the market have ...[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]
Single-chip microcomputers are widely used because of their small size, powerful functions and low price. This article introduces the method of designing a micro electronic piano using the AT89C51 sin...[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]
The rectified DC voltage is then converted back to AC using power electronics such as insulated gate bipolar transistors.
The output voltage is switched on and off at a high frequency, control...[Details]
0 Introduction
In order to improve the automation control of shortwave transmitters, so that they can automatically process from far to near, the technicians here use the ICS system to complete the ...[Details]
With the rapid development of the national economy, lifting and hoisting operations are used more and more frequently and widely in various fields of economic construction. China has continuously expl...[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]
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]
1. Tips for charging UPS for the first time
After purchasing a new UPS, plug the UPS into the 220V mains power grid and charge it for at least 12 hours to ensure that the battery is fully char...[Details]
Talking
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