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The United States intends to win over Japan, Taiwan and Taiwan to form the so-called semiconductor "CHIP4 (Chip Quartet Alliance)" to suppress the development of semiconductors in mainland China. How...[Details]
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The intelligent monitoring system of fire indicator lights with two-level ring bus network topology and master-slave communication mode is proposed. The overall structure of the communication gatew...[Details]
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Each linear regulator has its own advantages and disadvantages, and it is ultimately up to the designer to determine whether a certain type of regulator is suitable for the device based on requirement...[Details]
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After four years, the Beijing Auto Show returns again. At this time, the importance of the Chinese market is no longer the same as it was four years ago.
The huge crowds of visitors from...[Details]
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I recently made a mistake testing the operation: Test scenario: Take power directly from the mains socket and connect it to the 3W non-isolated switching power supply circuit board. Use an oscillosco...[Details]
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"We are in an era of great change. Based on the full-scenario intelligence strategy, Huawei will open a new era of smart screens with innovative technology." Consumer Business CEO Richard Yu once men...[Details]
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I have been free from work recently, so I took the opportunity to study the STM8 chip. I looked at the pictures first, bought an STM8 core board online, and happened to have an St-Link emulator, so I...[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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Abstract: The working principle of the single-stage flyback high power factor light emitting diode (LED) lighting driver power control chip MP4021 is analyzed. By comparing it with the traditional ...[Details]
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Digital video camera is DV, which is the abbreviation of Digital Video, which means "digital video" in Chinese. It is a digital video format jointly developed by many well-known home appliance gia...[Details]
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Recently, a video of an iPhone 15 Pro model leaked on Douyin, showing off the rumored design of the device. It is reported that the main hardware features of iPhone 15 Pro include solid-state buttons...[Details]
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On July 29, Nanjing University of Science and Technology Optoelectronics released an announcement showing that the "Advanced Photoresist Product Development and Industrialization" project of the Nati...[Details]
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The timer of STM32 has a counting function, which can be used to count the input signals on the pins in practical applications. Its input signal is used as the counting clock, and the input pin is the...[Details]
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Introduction One approach to driving high-brightness LEDs is to modify the standard boost converter topology to drive a constant current through the load. However, this implementation presents a se...[Details]
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The five-way alarm circuit is shown in the figure, which is composed of the integrated circuit chip CA3083. Usually the circuit is in an open circuit state, the circuit does not consume power, the ...[Details]
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