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Chopping is a current conversion technology in power electronic control. Its essence is pulse width modulation of DC control. It is named chopping because its waveform is neat and symmetrical lik...[Details]
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Speech recognition is a high-tech technology that converts speech signals into corresponding text files or commands through the process of recognition and understanding. As a specialized research f...[Details]
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On the afternoon of August 27, the final acceptance meeting of the scientific and technological project "Research on Integrated Energy and Energy Management System of Beike Industrial Park" organiz...[Details]
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An integrated small-scale multifunctional harmful gas rapid detector which can detect the concentration of 4 gases in the air was developed to be suitable for monitoring air hygiene in public places, ...[Details]
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The charging gun is the most important connection device in the charging facilities of new energy vehicles. It is responsible for charging the battery pack of the vehicle and providing the vehicle ...[Details]
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LED (Light Emitting Diode) is one of the fastest growing industries in the world today. The characteristics of LED high brightness, low energy consumption and long life make LED display screens hav...[Details]
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With the theme of "New Industry, New Smart Manufacturing", the 2019 Industrial Summit focuses on three major topics: motor control, power and energy, and automation ST and its partners will ...[Details]
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On April 1, the 2023 ITES Shenzhen Industrial Exhibition, one of China's largest industrial exhibitions, officially came to an end. Luoshi Robotics
made
a wonderful appearance with its ...[Details]
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/****************************************************** *Description: S3C2440 performs microsecond and millisecond delay functions **********************************************************/ ...[Details]
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Non-inductive square wave control Considering the details of technical implementation, general papers are of little direct help to engineering applications and are not as practical as application not...[Details]
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The typical circuit of the switching power supply made of
UC3842
is shown in Figure 1. Overload and short circuit protection is generally achieved by connecting a resistor (R4) in series ...[Details]
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On May 19, the 11th China Central Investment and Trade Expo Electronic Information Industry Development Forum was held in Nanchang, Jiangxi. Yang Wenbin, Deputy Mayor of Nanchang Municipal People'...[Details]
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With the development and popularization of new energy vehicles, the related vehicle thermal management issues have rapidly become the focus of industry attention. As we all know, the performance of t...[Details]
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So far, our development board can only process a small amount of data: read a few pin levels, output a few LEDs, and at most use a digital tube to display a two-digit number. As for inputting a comma...[Details]
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Constant voltage drive circuit
Constant voltage drive circuit
This is a constant voltage drive circuit, which uses a voltage stabilizing diode ZD1 (8.6V) to protect the constant drive sign...[Details]