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China Telecom announced its operating data for June 2020. In that month, China Telecom's mobile user base increased by 2.27 million, with a total of 343.47 million mobile users. In that month, the ne...[Details]
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Due to the advantages of touch screen input, such as convenience, thinness and portability, more and more electronic products now use touch screens as input devices for human-machine interfaces. In...[Details]
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Recently, the technical team of Shandong Liquid Meteor Energy Storage Technology Co., Ltd., a subsidiary of Yaxing Chemical, successfully completed a charge and discharge test of a 32KW liquid flow...[Details]
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introduction Stepper motors are very suitable for use in open-loop position control systems due to their low rotor inertia, high positioning accuracy, and no cumulative error. DC motors are commonly ...[Details]
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ARM (Advanced RISC Machine) is the name of the company that designed this processor core. The ARM core is not a chip. The ARM core is combined with other components, such as RAM, ROM, and on-chip p...[Details]
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The automobile chassis is brewing a new intelligent technology revolution and market change.
Following the comprehensive launch of new car chassis such as Huawei Tuling chassis, Geely ...[Details]
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The ZR-LZ series metal tube float flowmeter has local display type and intelligent remote transmission type, with pointer display, instantaneous flow, cumulative flow, LCD display, upper and lower lim...[Details]
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In recent years, with the continuous development of information technology and the popularization and application of security products and systems, data security issues in the security industry h...[Details]
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I finished decoding JPEG as early as August this year, but it has been very unstable. If the code is modified anywhere, the decoding may fail. At first, I thought it was a stack problem, or there was...[Details]
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When it comes to motors in cameras and lenses, I believe the first thing that comes to mind is the focus motor of the autofocus lens.
In the early days, some brands chose the body drive ...[Details]
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How many PWM waves can a timer capture at most at the same time?
I only need to get the high level width of PWM, and the frequency of PWM is 50HZ.
The STM32 timer has two capture modes:
PWM input...[Details]
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China Energy Storage Network News:
During the National Day holiday, the construction site of the Hongqiying 220 kV transmission and transformation project in Chongli District, Zhangjiakou Cit...[Details]
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What
is
a fuel cell?
All fuel cells work on the same basic principle: converting the chemical energy of hydrogen into electrical energy. Several different types of fuel ce...[Details]
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How many crossovers are needed for car speakers?
According to the general configuration, two two-way crossovers are needed. In some high-end models, because they are equipped with a 5.1 high-f...[Details]
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"Next year, Chery will have to be more aggressive in its intelligentization! It must be at the top of the industry!" On October 18, Yin Tongyue, Secretary of the Party Committee and Chairman of Che...[Details]
Analog electronics
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