How to reasonably use the smart contract of blockchain technology?

In 2020 and 2021, a series of blockchain applications and use cases such as decentralized Finance (defi), decentralized exchange (DEX) and non replaceable token (NFT) broke out in the market, attracting market attention and investment funds. However, under radar, a different blockchain application continues to receive relatively little attention, but it is playing a crucial […]

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Application advantages and scheme design of Dahua smart security inspection system

1、 Programme background In recent years, terrorist attacks and extreme violence have occurred frequently, resulting in huge loss of personal and property safety and significant social and economic impact. With the continuous expansion of the city scale and the increasingly complex social situation, the contradiction between the limited security resources and the growing demand of […]

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Where has the blockchain gone

Someone asked: brother tree, blockchain can protect the data from tampering, but how can we protect the data on the chain? This is a good problem. If the data on the blockchain itself is false, then the blockchain data can not be tampered with, which is meaningless. However, one solution can only solve one problem. […]

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Inventory of technical specifications urgently needed by service robots

Compared with industrial robots, service robots pay more attention to human-computer interaction experience, and the interaction between users and robots is frequent, which requires robots to have efficient feedback speed, and also puts forward higher requirements for artificial intelligence technology, including deep learning, natural language processing, visual perception, cloud computing and so on. On December […]

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Huawei’s 5g patent has reached the first place in the world

In the past two years, with the rapid progress of science and technology, the development of network speed has become a necessary trend, and the traditional 4G and 3G will eventually end in the dust of history. Now, the most talked about is 5g, because 5g is not only related to the strength of a […]

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How will VR dining experience affect traditional catering industry

The James Beard foundation held an unusual banquet, VR (virtual reality) dinner party. JBF named the event “virtual reality art and dining experience”, which lasted for seven hours and sold for $125. The gorgeous and colorful background environment delivers huge food. Pink pineapples and blue cherries fall from the sky. The meat dances in the […]

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How to apply smart home products in apartments

How to apply smart home in apartment? In today’s era, youth apartment is probably the most suitable application scenario of smart home products in the commercial field. So, how can smart home be used in apartments? How to apply smart home in apartment The smart home scheme of the apartment mainly includes the following modules: […]

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How to distinguish between brushless motor and brushless motor?

You will find that when you buy power tools, some products will send two small accessories in the packaging box. Some people know that it is a carbon brush, while others don’t know what it is called or how to use it. Now, whether it’s poster promotion or sales introduction, the electric tool is brushless […]

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