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June 29 news Last year, Microsoft released two new Surface dual-screen folding products, Surface Neo and Surface Duo, one Windows 10X device and one Android device. Now a patent shows that Micr...[Details]
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At present, more and more LED lamps have replaced traditional lighting lamps and are used in lighting display, advertising lighting, underwater lighting, architectural lighting, street lights a...[Details]
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On June 26, Yiwei Lithium Energy released the "Reply Report of Rongcheng Accounting Firm (Special General Partnership) on the review and inquiry letter of Huizhou Yiwei Lithium Energy Co., Ltd.'s app...[Details]
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Shenzhen Yingruixin Electronic Technology Co., Ltd. (hereinafter referred to as Yingruixin) was established in 1999. It is a national high-tech enterprise focusing on integrated circuit design, devel...[Details]
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If you want to make a good LED lighting product, you must know the most critical parts, which are heat dissipation, driving power supply, and light source. At the same time, heat dissipation is par...[Details]
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【Abstract】The gas flow measurement method of thermal probe and the design method of thermal flow meter are discussed. Based on the principle of thermal probe measuring gas flow, the influencing facto...[Details]
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Common series three-terminal voltage regulator integrated circuits , such as LM7800, LM7900, and LM3xx series, have low efficiency. For example, when the input power supply voltage of LM7805 is 1...[Details]
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Since SMIC (00981) released its third quarter earnings report on November 14, 2017, the company's stock price has fallen sharply. As of the last trading day, the stock price has fallen 27% from its...[Details]
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With the development of the global economy and the improvement of people's living standards, cars are increasingly used in daily life, so the requirements for energy conservation, emission reduction ...[Details]
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1. Basics In order to fully understand the power of scatter-loading files, you need to have a detailed understanding of the contents of the compiled project. The contents compiled by Keil are as ...[Details]
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1. Terms of Use
The use conditions of the transformer in the power supply include: usability and electromagnetic compatibility. 1. Usability means that under specific conditions of use, the tr...[Details]
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With the advent of the era of intelligent automobiles, Chinese automobile companies have achieved rapid development thanks to their solid foundation in the Internet field.
In the current...[Details]
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1. Introduction
According to statistics, traffic accidents caused by blind spots behind vehicles account for about 30% in China and 20% in the United States. The first two generations of reversing...[Details]
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Overview
The voltage drop between the current monitor and the avalanche photodiode (APD) varies with temperature and the current flowing through the photodiode. Therefore, in fiber optic transmis...[Details]
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Synchronous generator is a common power generation equipment, widely used in power systems, industrial production and scientific research experiments. The excitation winding is an important part of...[Details]
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