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Recently, the automotive electromagnetic compatibility (EMC) laboratories of TUV Rheinland Greater China (hereinafter referred to as "TUV Rheinland") in Shanghai and Guangzhou have been authorized b...[Details]
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LM339 application
Circuit
Figure: The LM339 integrated circuit has four independent voltage comparators installed inside. The characteristics of this voltage comparator are:
small offset volta...[Details]
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The SD card was jointly developed by Japan's Panasonic , Toshiba and the United States ' SanDisk in August 1999.
The structure of SD card can ensure the security of digital file transmission and it i...[Details]
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1. Background and measurement methods The DC-DC converter can be viewed as a simple feedback control system, as shown in Figure 1. Figure 1 A DC-DC converter can be abstracted as a feedback s...[Details]
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Light is an electromagnetic wave, and wave theory is generally used to analyze the basic principles of light guidance. However, according to optical theory, in a space where the size is much larger th...[Details]
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1 Introduction
Noise has serious harm to human health, so how to reduce the harm of noise has become an urgent task. Accurate measurement and analysis of noise will provide an important bas...[Details]
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Regarding this issue, some people say that the 51 address line multiplexing is the von Neumann structure. Many introductory books basically say that a system consisting of an arithmetic unit, ...[Details]
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The reporter learned from Huazhong University of Science and Technology that the team of the Gravitation Center of the university has made a breakthrough in the research and development of quantum gr...[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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“AutoDevKit is a unique automotive and transportation-specific development environment on the market. It is a flexible new application development approach that enables customers to customize applica...[Details]
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The fixed DC regulated power supply circuit introduced in this example can generate three sets of output voltages, +5V, -5V and +12V, which can be used for digital circuits or microprocessor integrat...[Details]
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1. What is Keil software Keil software is an integrated development environment (IDE) specially designed for embedded system development. It is commonly used as programming software for 51 and STM32 ...[Details]
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Q: When the board is debugged with ads, a prompt box such as "can not stop the CPU" appears, and the program cannot be debugged.
A: The nWAIT signal must be connected to a pull-up resistor to work. B...[Details]
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introduction With the increasingly serious air pollution and energy crisis, the development of traditional means of transportation - automobiles faces a series of challenges. Traditional internal co...[Details]
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Capacitive sensors have been widely used in industry, medicine, military and other fields. However, most of the current capacitance measurement methods have low integration level and low precision,...[Details]