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On the evening of January 12, Yinbang Co., Ltd. released its 2021 annual performance forecast, predicting that the annual net profit attributable to shareholders of the listed company will be 35 mill...[Details]
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1. Design requirements
This power supply is used in the front end of an AC voltage conversion. The input control signal is 4VAC (50HZ AC effective value range 2VAC-8VAC), and the input power i...[Details]
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On October 15, the Sichuan Provincial Department of Economy and Information Technology issued an announcement, publicizing the list of 25 new industrial tracks to be recognized in Sichuan Province ...[Details]
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OFweek Cup · OFweek 2023 China
Robot
Industry Annual Selection (abbreviated as OFweek Robot Awards 2023) is jointly organized by OFweek, China's high-tech industry portal, and its authorita...[Details]
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The mysterious guest at Baidu’s AI Developer Conference turned out to be Li Shufu, chairman of Geely Holding Group. At the 2019 Baidu AI Developer Conference, Li Shufu came to support. What will th...[Details]
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During the production process of LED light strips, there will be a phenomenon of LED false death (i.e. LED does not light up), which is most likely to occur in 5050 LED light strips. The reasons fo...[Details]
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High-power AC/DC high-frequency switching power supplies are widely used in the fields of communications, power, industry, military, aerospace, etc. The power of a single machine ranges from hundred...[Details]
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In college, many electronics enthusiasts like to make some small electronic products. As for the power supply method on the circuit board, 7805 and 7812 are the well-deserved kings of cost performanc...[Details]
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Humans survive because their hearts keep beating; the same is true for vacuum cleaners. Only when the "heart" is in good condition can they vacuum better. In order to ensure the continuous and normal ...[Details]
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This paper introduces the principle and performance of a contactless smart card module and gives a detailed program for interfacing with the MCS51 microcontroller.
1 Overview
The main ones ...[Details]
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Graphene is known as the "most useful material in the world" for its wide range of applications, but according to foreign media reports, a new material, "Multi-use Titanium Dioxide", may replace it. ...[Details]
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Security issues are becoming increasingly important for smart grids, as the probability of attacks on grid infrastructure is increasing and the stable power supply of various countries is at risk of ...[Details]
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On August 11, Dofluoro recently disclosed its 2022 semi-annual performance report. In the first half of the year, Dofluoro achieved operating income of 6.027 billion yuan, a year-on-year increase of ...[Details]
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Variable frequency motor is a widely used motor, which can be seen in our daily life. In the construction site, whether it is a low mixer or a tall crane, they all use variable frequency motor as a...[Details]
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LED digital tube is a semiconductor light-emitting device that displays numbers and symbols. It has been widely used in digital instruments and electrical equipment. LED is composed of segments of lig...[Details]