Smart phone "system" can people

Smart phone "system" can people

In the era of intelligence, people are accidentally "made". Advise the kings that when it comes to human intelligence, don't be lazy and try to get rid of the "walking stick" of smart phones. After all, people should not become vassals of smart products.

IDC recently released data show that as the world's largest smart phone market, China's smart phone shipments this year will reach 360 million units, next year will be more than 450 million. The rapid popularity of smart phones in China is not surprising. First, today's smart phones have long been not exclusive to “local tyrants” and the price is close to the people. Second, a smart phone is in hand, and work, entertainment, and social networking are all “come together”. How can we not be sought after? However, some people have recently turned against the tide. However, it also caused controversy.

Parents of a student in Chongqing, who had been using my smartphone to cause myopia, decided to invest 400,000 yuan to donate non-smart phones to Chongqing Railway Middle School where his son is studying. He hoped that children could temporarily put down their smartphones. His move has instantly become a hot topic for Internet users. Some people say that this is a retrogression in history; others also say that there are 400,000 yuan worth of donations, and why do you want to donate an ordinary mobile phone?

For the time being, we will not judge the parent's behavior. First ask yourself, can you let yourself temporarily leave your smart phone? I think most people may not be able to. Don’t you see the rushing people everywhere on the street, holding smart phones, or listening to music, or making phone calls or playing games; meeting people who are dozing off, thank you very much for your smart phone. With it, you don’t have to be old. Thinking about “how will it not continue?” When friends gather together, it is difficult to reproduce the kind of lively exchanges that took place in the past. One person took a shot and everyone’s eyes hated the screen...

Believe that the above scenario is not strange to you, some people also because of this moment is also inseparable from this baby stuff is called "mobile phone control." Mobile phones are indeed smart, but people do not seem to keep up with the pace of intelligence, not only have become alienated from each other, but also by the smart phone left their lives. Actually, not only mobile phones are on the road to intelligence, and transportation, medical care and even cities are all taking the road of intelligence. In the information society, this has become an irreversible trend. However, in such an intelligent era, as the creator of intelligent products, people are left to themselves by the products they create. This is indeed a question worthy of pondering. Now people need to think about how to live in such an intelligent era?

From the author's point of view, the answer is that people cannot be controlled by electronic products such as smart phones, and they must be freed from their current subordinate status. In doing so, it is simple and simple. It is difficult and difficult to say. It's easy because we can choose not to use smart phones instead of letting smartphones choose us. Difficulties are due to the fact that people are currently being controlled by smart products. The author once chatted with a primary school teacher. He said that children in first grade now understand how to use computers and networks to solve problems. What happened is not to think first, but to "Baidu." This makes him very confused, the child did not learn to think since childhood, how to do when growing up?

In the era of intelligence, people are accidentally "made". Advise the kings that when it comes to human intelligence, don't be lazy and throw off the "walking stick" of smart phones. After all, people should not become vassals of smart products.

TO-220 package

TO-220 Transistor Outline Package is a type of in-line package often used in high-power transistors and small and medium-sized integrated circuits.

It not only plays the role of mounting, fixing, sealing, protecting the chip and enhancing the electrothermal performance, but also connects to the pins of the package shell with wires through the contacts on the chip, and these pins pass through the wires on the printed circuit board. Connect with other devices to realize the connection between the internal chip and the external circuit.Because the chip must be isolated from the outside world to prevent impurities in the air from corroding the chip circuit and causing electrical performance degradation. On the other hand, the packaged chip is also easier to install and transport.

TO-220 package is a kind of in-line package that is often used for fast recovery diodes. TO-220AC represents a single tube with only two pins and only one chip inside.

The diodes are packaged in TO-220AC and can be used in switch mode power supplies (SMPS), power factor correction (PFC), engine drives, photovoltaic inverters, uninterruptible power supplies, wind engines, train traction systems, electric vehicles and other fields.



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