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During the power-on or reset process, control the reset state of the CPU: keep the CPU in the reset state during this period, instead of working as soon as the power is turned on or the reset is...[Details]
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It’s almost a tradition for Microsoft to hold a Surface event in October, and even though everything has been postponed due to the pandemic, it won’t change this year. According to well-known leaker ...[Details]
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In the traditional power frequency parameter testing of transmission lines, three-phase autotransformers and large-capacity isolation transformers are used to provide test power, and CT and PT used ...[Details]
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There are many different types of electrical safety testers on the market today, covering a wide range of applications including checking electrical safety and reliability. As shown in Figure 1, thes...[Details]
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Warmly celebrate that the company was once again rated as the best supporting enterprise by the association. At the same time, the company's chairman Hou Jianxin was awarded the honorary title of "...[Details]
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June 30 news (Text/Digital Control), recently, the well-known mobile phone evaluation organization DXOMARK announced the scores of the iPhone SE (2020) camera, with a photo score of 103, a video reco...[Details]
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The Ministry of Industry and Information Technology announced the fourth batch of green manufacturing lists on its official website, including 602 green factories, 371 green design products, 39 green...[Details]
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Canalys recently released a TWS research report, showing that the market as a whole shipped only 58.3 million units in the second quarter of 2021, with the growth rate dropping to 6.4%, a new low in ...[Details]
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I have been studying arm assembly language syntax for more than a month. I finally got started. Of course, there are still many things worth continuing to work hard on. Recently I have some new ins...[Details]
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High-quality image effects and excellent performance in harsh environments are the lifeblood of video surveillance manufacturers. How to reduce the bit rate and bandwidth while maintaining high-q...[Details]
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I wanted to start my own program on the Linux system on the development board. I thought it was simple, but it took me a long time to figure it out. After going around in circles, it is indeed very...[Details]
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On the eve of the May Day holiday, a self-media article titled "Royole Technology - A Public Execution in Progress" fermented on the Internet, attracting a lot of attention. On May 6, Royole issued a...[Details]
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0 Introduction
Pedestrian detection is an important research topic in the field of target detection, and is widely used in intelligent driving systems, video surveillance, and crowd density mo...[Details]
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Because of my work, I have been exposed to many overseas electronic instruments and circuits. Recently, I found a DC regulated power supply in a test instrument. The output voltage range is large (...[Details]
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Current Feedback Circuit
Figure 2 Current feedback circuit
The current feedback circuit uses a current transformer to detect the current on the switch tube, and the principle is shown...[Details]
RF/Wirelessly
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