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Abstract: This paper introduces a switching power supply using a half-bridge circuit, whose input voltage is AC 220V±20%, output voltage is DC 4~16V, maximum current is 40A, and operating frequency...[Details]
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Light-emitting diodes ( LEDs ) are fragile devices that are susceptible to heat, mechanical shock, electrostatic discharge, and lightning, especially in outdoor applications. The increased use of LED...[Details]
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In engineering practice, the most widely used regulator control law is proportional integral differential control, referred to as PID control, also known as PID regulation. It has been nearly 60 years...[Details]
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On the morning of June 22, a source said that there is no such thing as "Liu Zuohu returning to OPPO". Liu Zuohu will serve as the chief product experience officer of both OPPO and OnePlus, con...[Details]
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On October 12, Mr. Du Xiangwan, former vice president of the Chinese Academy of Engineering, academician of the Chinese Academy of Engineering, deputy director of the National Energy Advisory Exper...[Details]
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1 Introduction
Medical therapeutic devices
serve people, which determines the strict requirements for their transmission control systems. Especially for the treatment of cervical spondyl...[Details]
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On the afternoon of October 9, the 2019 Nobel Prize in Chemistry was awarded to John Goodenough, Stanley Whittingham and Akira Yoshino in recognition of their outstanding contributions to the field o...[Details]
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How to find the best test cable
among many choices
? Era Microwave Systems introduces you to an ideal choice designed for production testing and laboratory applications - SilverLine test cab...[Details]
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Guiding Opinions on Comprehensively Strengthening the Quality and Safety Management
of Power Equipment Products
National Market Supervision and Administration Bureau ...[Details]
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Since the beginning of this year, Goodix Technology has risen by more than 100%, significantly outperforming the market. As of the close of August 9, Goodix Technology's total market value was 71.8 b...[Details]
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Sitting in front of the reporter from China Business Network is a Japanese scientist named Yoshino Akira, who is thin and polite. He is wearing a light grey shirt, a dark striped tie, and a neatly ta...[Details]
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ARM is a more powerful single-chip microcomputer. In the process of learning bare metal programming, I found that ARM integrates more peripherals than general single-chip microcomputers, including ...[Details]
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When you use Keil or IAR to develop STM32 and other ARM chips, you may be familiar with using print to output some data through the serial port for debugging or other purposes. However, it should be ...[Details]
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CSA International Releases New Standard for Power Tools
CSA International recently released the power tool standard CAN/CSA-C22.2 No. 71.2-2008. The new standard will take effect on...[Details]
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On October 30, the "Unite and Work Together" meeting between the leaders of Beijing Puneng's shareholder units and all employees was successfully held in Beijing. Han Changan, Chairman of the Board of...[Details]
PCB Design
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