5:27
How Do PCBs Work?
Recommended
technology
Recently, four departments including the Ministry of Industry and Information Technology jointly issued the "Notice on Carrying out 2022 New Energy Vehicles Going to the Rural Areas", kicking off a new round of new energy vehicles going to the countryside with new energy as the c
Discount of up to 5,000 yuan, scenery MINI candy model going to the countryside
technology
1. Design principles of lighting power supply and distribution system (1) Improve reliability, reduce power outages and mutual influence; (2) Ensure and improve voltage quality, reduce the impact of voltage deviation and voltage fluctuation (3) Convenient management, operation an
Lighting power load level and circuit settings
technology
Microsoft is gradually banning some artificial intelligence facial analysis tools from public use, including one that claims to be able to identify subjects' emotions from videos and pictures. This "emotion recognition" tool has been criticized by experts. They say it's widely be
Microsoft to drop some controversial facial recognition features
technology
Text and pictures/Lai Jiahua Wei Jianfeng "Fresh vegetables delivered to your home". On the morning of July 3, the launch ceremony of Meizhou’s local brand “Xu Ri You Xian” community fresh food e-commerce platform was held at Meizhou Haijixing Agricultural Products Trade and Logi
Meizhou’s local brand “Xu Ri Excellent Fresh” community fresh food e-commerce platform is launched today
technology
LTA crew maneuver Pathfinder 1 in a hangar at Moffett Airport (Image: LTA Research) Work is well underway to build the world's largest airship, which could make its first flight before the end of the year.
LTA Research airship company is building the world's largest airship and is expected to make its first flight by the end of the year
technology
Obviously, JD.com is not satisfied with being just an e-commerce company. JD.com still has many things to do. In May this year, JD.com’s fashion home business was fully upgraded to “JD New Department Store”, which is an in-depth integration of JD’s existing apparel, home, beauty,
JD.com’s first “new department store” store in the country has opened in Chengdu! Will the new department store be a bad move?
technology
There's a new phone here, and it's a new gaming-focused mid-range phone from iQOO. The iQOO Neo 6 comes with powerful specifications and is the company's new offering in the mid-range segment. The product is equipped with Qualcomm Snapdragon 8 Gen1 processor, supports 80W fast ch
iQOO Neo 6 review: Good for gaming, but there are two things I don’t like
technology
The author took a closer look and found out that the so-called rogue software was causing trouble. After uninstalling the software with great effort, the phone returned to normal. In response, netizens said: This matter can no longer be delayed, Huawei Hongmeng has done a great j
Huawei Hongmeng quietly did a big thing, netizens: It can’t be delayed any longer
technology
When it comes to Filecoin, I believe that many retail investors have a mixed love-hate relationship with it. At least in this bull market, this is the entry-level project for many people. Basically, there are not many people who do mining without this mining machine.
From the recent explosion of mining equipment manufacturers, they talk about Filecoin. The designed trap is not something you should play.
technology
Before programmers write a program, they usually consider the flow of the program before starting to write the program. Only those who have written programs can understand the concept of "programs are flowing". If a program written by a person does not run as expected, it is most
Three basic structures of structured programming
Relation Video
What is a PCB?...
6:08
technology Relation Video
Site video recommendation
technology Latest News
technology
On July 4th, that is, tomorrow, we will usher in a new generation of nova 10 series. I believe I don’t need to say more about its appearance and configuration. Fans who follow Huawei also know it, but this time the nova 10 The new product launch conference is not only about mobil
Comparing with Apple, Huawei’s new products will be launched this month, and the names are so familiar
technology
The world is so big and the universe is so vast. Why is the world developing so fast now but society is changing? What makes the efforts of individuals and institutions turn into competition within the same industry?
No two leaves are the same: how to unlock involution?
technology
Nowadays, e-commerce new retail is really popular. Even many friends around the editor say that they basically don’t go to offline stores anymore. They just buy and place orders on their mobile phones and pick up express delivery. And online The price is much cheaper and there ar
Andelihuijuyunjia: New retail is coming, have physical stores been affected?
technology
Why are e-commerce companies killing physical entities in China? Because the service is poor and prices are high. How to break the cold winter in the retail industry? Entrepreneurs who opened physical stores in China complained that when some consumers buy computers and cameras,
How to break the cold winter of physical retail industry? Why are entities killing e-commerce in Japan? China is the opposite
technology
The picture shows the domestic operating system with the release of China's first computer system developer platform called "Open Kirin". This domestic operating system that can replace the Microsoft Windows development system finally has its own software access and security chan
No more looking at faces, China’s first computer system developer platform is released, which can replace Microsoft
technology
Many people know that the iPhone created the smartphone category, but they don’t know how much impact the iPhone’s emergence has had on the world. It can be said that without iPhone, there would be no prosperity of mobile Internet. Before the birth of the original iPhone in 2007,
What would today's mobile phones be like without the advent of the iPhone?
Site Latest News
technology
Recently, Lenovo launched its new notebook ThinkPad T14, which brought back a lot of memories. I remember that in the 10 years from 2000 to 2010, ThinkPad T14 and X13 were still quite legendary models, and they were also the two favorite notebook products of many professionals. O
ThinkPad T14 new machine debuts, price reduced by 500 yuan, built-in SIM card, and comes with one year of free data
technology
Why is Windows always updated? When I saw the title, I planned to write a book as thick as "Postpartum Care of Sows", but because I have to take a 48-hour nucleic acid test today, I explained it clearly when I prepared to chew my teeth.
Why does windows always update? How to pause updates or close them? What's the point of updating?
technology
In the dog days of summer, "eat cold food instead of cold food". Eat 2 less melons and 4 more vegetables. It will be refreshing and relieve the heat. You can successfully pass the midsummer and enter July. The temperature is getting higher and higher. It rained for a week in the
In the dog days of summer, "eat cold food instead of cold food". Eat 2 less melons and 4 more vegetables. It will be refreshing to relieve the heat and pass the midsummer smoothly.
technology
It is well known that drinking alcohol damages the liver! 90% of the alcohol in the wine we drink is metabolized by the liver. Long-term drinking will overload the liver, and you are very likely to suffer from fatty liver and alcoholic liver disease. But in fact, some foods in li
No matter how greedy you are, you have to hold back. These four types of food are more harmful to the liver than alcohol.
technology
Li Moumou, female, 53 years old, on the twenty-sixth day of the twelfth lunar month in 2019, as the New Year is approaching, every household is busy preparing New Year's goods. Naturally, Li Moumou is not far behind. In addition to the normal beef and mutton, chicken, duck, fish,
It’s all the melon seeds that are to blame: the treatment costs thousands of yuan, and the pain is difficult and long-lasting.
technology
The rainy season of summer has arrived again, and this is the peak season for eczema. Therefore, Xiaoyu Pharmacist summarized 4 commonly used anti-allergic drugs purchased through national drug centralized procurement at reduced prices. They are: 0.12 yuan per piece, cetirizine.
National Price Reduction: 4 anti-allergic drugs costing a few cents each, used for: eczema, urticaria