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On the morning of February 23, a report from the Economic Daily stated that domestic display manufacturer BOE will become one of the screen suppliers for Apple's next-generation mobile phones....[Details]
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1 Introduction
With the rapid development of urbanization, the emergence of high-rise buildings and intelligent buildings has put forward many new requirements for elevator control. At the same...[Details]
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1. Use the following abbreviations and definitions LED display 1. LED: ligth emitting diode LED is the abbreviation of light emitting diode 2. LED display | display device | display device: LED panel...[Details]
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On September 13, the Tianjin Municipal Development and Reform Commission issued the "Implementation Plan for Further Building a High-quality Charging Infrastructure System in Tianjin", which clearl...[Details]
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The main problems in the current wired fire alarm system are that there are many connections and the installation and wiring are complicated;
Signal "collision" occurs, resulting in the ...[Details]
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1. Main technical indicators of pulse signal generator (1) Repetition frequency: 10 Hz to 1 MHz (i.e., repetition period is 100 ms to 1 μs). (2) Pulse width 0.1～1 000μs, divided into 4 levels. (3) Do...[Details]
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On April 2, China New Aerospace officially released the top-flow cylindrical battery. The top-flow cylindrical battery is another innovation based on the minimalist design of China New Aerospace One-S...[Details]
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As early as 2005, the state issued a document to promote the system of metering and charging for heating according to heat consumption. However, after more than ten years, due to the difficulty of im...[Details]
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Ordinary metal waveguides have the characteristics of low transmission loss, high power capacity, and high quality factor, but they are not convenient to integrate with other microwave millimeter wave...[Details]
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The block diagram is a graphical illustration of the kinetic energy and signal flow of each unit in the automatic regulation (control) system. It is also a mathematical model that represents the re...[Details]
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As a booster for stable growth, power grid construction has accelerated again.
The reporter learned yesterday that State Grid Corporation of China (hereinafter referred to as SGCC) has recentl...[Details]
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With the rapid development of the Internet and the mutual promotion of communications and computers, our requirements for the power supply quality of the sophisticated electronic equipment used ...[Details]
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AT89C2051 is a product of Atmel's AT89 series. Compared with AT89C51, it has good continuity, only reducing the storage capacity and I/O ports, and the other configurations and performance are not...[Details]
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Although Intel's first-quarter financial report did not disappoint, Intel was pessimistic about the outlook for the semiconductor market this year and lowered its financial forecasts. This move cause...[Details]
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When the input voltage is lower than the minimum voltage required for normal operation, a shutdown operation is required. Under this condition, the power supply will enter the "locked" mode, that is,...[Details]
Analog electronics
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