[Front] USB is one of the promotional highlights of AT32F425 in the development board. This time the main purpose is to run the official demo to take the first step into the door, just like hellowrd.
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It worked fine before, but now it works fine when I plug in a mouse, but it doesn't work when I plug in a keyboard, and there's a clicking sound. I wonder if you guys have encountered this before?...
I have never developed a switch chip, only an Ethernet control chip. Now I have a situation: a small box similar to a router, with two chips on it, RTL 8366SR and Marvell 88E6060, both of which seem t...
Sadly, after typing for quite a while, before clicking [New Topic], my hand touched the touchpad and closed the webpage.
:Cry: The characters I originally typed are gone too. The key is that I can nev...
I used S3C2440 to make a wifi transmitter server before. Now I want to reduce power consumption and miniaturize it. I checked the LPC1768 data and found that this ARM has very low power consumption, b...
[i=s]This post was last edited by yuanlai2010 on 2014-8-28 21:49[/i] [align=center][font=楷体, 楷体_GB2312][size=5][b]The first practical small application under Linux[/b][b]-Counting the number of people...
PV DC fuses are safety devices used to protect PV panels, inverters, and DC loads. To ensure their safety and reliability, they must be UL248 certified.
Before applying for UL248 certifi...[Details]
Flip-chip and ball grid array (BGA) are two widely used packaging technologies in the electronics industry. Each has its own advantages and limitations, and in some cases, they can complement each ...[Details]
As more and more consumers purchase new energy vehicles, the safety of electric vehicles has become a major concern. This has been particularly prominent following a series of electric vehicle fire...[Details]
Electric vehicles are currently gaining momentum, but this is just a facade. Fuel-powered vehicles remain unchallenged. While electric vehicles boast unique advantages in environmental emissions an...[Details]
As the number of cars increases, environmental pressures are also increasing. At this time, some people are saying that new energy vehicles are energy-efficient and environmentally friendly, and ar...[Details]
1 Introduction
In the mid-1960s, American scientist Maas conducted extensive experimental research on the charging process of open-cell batteries and proposed an acceptable charging curve for ...[Details]
According to foreign media reports, BMW has just been granted a patent for a screen that could cover the entire roof. BMW hopes to transform at least a portion of the vehicle's headliner into a dis...[Details]
With the rapid advancement of automation technology, collaboration between robots is no longer just science fiction. Imagine dozens of machines moving goods in a warehouse without interfering with ...[Details]
introduction
The concept of the smart home is gradually developing and gaining market acceptance. We believe its ultimate form lies in the interconnection of all home appliances through open i...[Details]
With the continuous development of the industrial automation industry, we are seeing an increasing number of intelligent devices using flexible, efficient, and precise robotic arms to p...[Details]
In daily life, power transformers have different functions and uses due to different usage scenarios. The most common ones can be divided into: control transformers, isolation transformers, rectifi...[Details]
Inverter power supplies on the market can generally be divided into two categories: sine wave inverters and square wave inverters. Some engineers also like to categorize pure sine wave inverters as...[Details]
Methods of DC motor speed regulation:
1. The voltage regulator can be used to change the input voltage and speed directly, which is often used for large kilowatt-level motors.
2. Thyristo...[Details]
Civilian internal combustion engines operate in the range of approximately 1000-4000 rpm. This results in the engine's kinetic energy being ineffective at low or high rpm, making starting difficult...[Details]
Hair dryer structure and working principle: It is mainly used for drying and shaping hair, but it can also be used for local drying, heating and treatment in laboratories, physiotherapy rooms, ind...[Details]
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