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In recent years, the measurement of body diagonal displacements as defined by ASME B5.54 or ISO 230-6 has provided a rapid method for verifying machine tool volumetric errors and has been well establ...[Details]
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The analysts conducted a comprehensive assessment of inverter suppliers and found that SMA, SolarEdge, Schneider Electric, Sungrow, Huawei and ABB each have certain strengths that enable them to se...[Details]
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1. Overview of Linux devices Linux devices can be divided into three categories: character devices, block devices, and network devices. In this article, we mainly talk about character devices. So wha...[Details]
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Introduction: This paper designs an offshore liquid level measurement system based on AT89S51 single-chip microcomputer. The system adopts the principle of segmented capacitance detection to realize ...[Details]
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Class A and B amplifier circuits are true analog amplifier circuits, but their efficiency is relatively low, 50% and 78.5% respectively. Especially when used as a power amplifier, the efficiency di...[Details]
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1. General requirements for LED drivers The arrangement of LEDs and the specifications of LED light sources determine the basic driver requirements. The main function of an LED driver is to...[Details]
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Wang Hong, deputy director of the Equipment Industry Department of the Ministry of Industry and Information Technology, said at a press conference of the 2023 World Robot Conference that in the fir...[Details]
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This intercom circuit provides 2-way communication in selected locations or rooms, upstairs to downstairs or within the home by simply pressing a button from either end. Also, it can be a fun phone...[Details]
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This is a simple infrared audio link that can be used to transmit audio signals up to 4 meters. The signal to be transmitted is applied to the base of Q1 through resistor R4. Transist...[Details]
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Since the iPhone appeared in 2007, the application scope of inductive capacitive touch screens has been expanding. However, there are still great challenges in truly integrating inductive capaciti...[Details]
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Compiled from IEEE. The Indian government has approved major investments in semiconductor and electronics production, including the country's first state-of-the-art semiconductor factory. The compa...[Details]
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Analog frequency sweepers are expensive, cannot directly obtain phase-frequency characteristics, and cannot print the frequency response curve of the network, which brings many inconveniences to use....[Details]
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For a while, people criticized Apple for its weak sense of innovation, declining product design capabilities, and lack of its iconic personality. Even in many innovative applications, Apple has not b...[Details]
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During the Huawei Connect Conference, Ma Haixu, President of Huawei's Intelligent Computing Business Unit, delivered a keynote speech entitled "Using Innovation to Provide the World with the Most Pow...[Details]
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0 Introduction
Serial port RS 232 is a commonly used communication protocol for industrial control, instrumentation, and computer peripherals. The baud rate of serial communication is generally...[Details]