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In December 2019, the novel coronavirus (2019-nCoV) pneumonia first broke out in Wuhan, Hubei, and then spread to other regions. A large amount of manpower and material resources have been invested i...[Details]
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IT Home reported on December 28 that Nintendo President Shuntaro Furukawa announced on the 27th that the supply of Nintendo Switch may stagnate around the beginning of 2022. The main reasons ar...[Details]
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In the absence of special instruments, the quality of the device can be detected and judged by the resistance range. For large capacity (above 1μf), the resistance range (r×1000) of the multimeter ca...[Details]
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What is the structure of a servo? The simplest servo control unit is a servo motor plus a servo controller. Today we will analyze the servo motor and servo controller.
How the motor work...[Details]
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China Energy Storage Network News:
Recently, China Southern Power Grid Co., Ltd. signed an agreement with the National Natural Science Foundation of China to join the National Natural Scien...[Details]
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LED display unit board, also known as LED display module or simply unit board, is the main component unit of the display screen, consisting of LED light-emitting diodes and drive circuits. LED d...[Details]
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SAIC Motor announced on the evening of August 30 that it plans to jointly establish SAIC Qingtao New Energy Technology Co., Ltd. (subject to the name approved by the Market Supervision Administration...[Details]
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1. Design Purpose and Requirements Design purpose: Through design, cultivate the ability to use the knowledge learned to solve practical problems, the ability to consult information, the ability to s...[Details]
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System performance is not equivalent to computing power. Low power consumption, rich on-chip peripherals, and real-time signal processing capabilities are the most important for most embedded applicat...[Details]
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1. Summary of STM32 library function programming ideas 1. Development process based on STM32 library function Before carrying out specific project development, do a good job of project creation, ...[Details]
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Wireless charging, also known as inductive charging, uses electromagnetic fields to transfer energy between two objects. This charging method usually involves a wireless charging base station transfer...[Details]
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SVPWM: Space Vector Pulse Width Modulation
Why use SVPWM to control the motor? The traditional six-step commutation control method makes the inverter output change in a square wave. The rotati...[Details]
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Mask pellicle/film is a key component in the extreme ultraviolet (EUV) lithography process. It refers to a layer of film that is unfolded on the mask, and then a machine is used to draw the circuit t...[Details]
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The three major A-share indices closed higher today, with the Shanghai Composite Index up 0.42% to 3457.07 points; the Shenzhen Component Index up 0.94% to 14398.38 points; and the ChiNext Index was ...[Details]
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01
Information security requirements
This chapter mainly introduces the information security requirements from four aspects: hardware security, system security, communication security, an...[Details]