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In the Linux driver, various devices that cannot be classified are defined as miscellaneous devices (expressed by the miscdevice structure). The miscdevices share a major device number MISC_MAJOR (...[Details]
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From January 15 to January 17, 2021, the "China Electric Vehicle Hundred People Forum (2021)" was held at the Diaoyutai State Guesthouse in Beijing. With the theme of "New Development Pattern and Aut...[Details]
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3 rounds of financing in 3 years, another potential stock in the sub-segment
Recently, Beijing Zhiyu
Medical Technology
Co., Ltd. (hereinafter referred to as "Zhiyu Medical") offic...[Details]
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Tianyancha data shows that on April 10, Shanghai Huawei Technologies Co., Ltd. underwent industrial and commercial changes. Huawei CEO Ren Zhengfei withdrew from the company's board of directors, and...[Details]
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According to the AVR usage example - timer application example http://www.avrvi.com/avr_examples/timer.html. Use ICC application builder to quickly configure the timer and generate the following code...[Details]
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When designing a program, a section of program code that completes a specific function is usually written as a subroutine and called where needed. The subroutine call of the ARM processor is implement...[Details]
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As a security worker, in addition to various security-related skills, there is also a lot of seemingly irrelevant knowledge that needs to be understood to a certain extent, such as some common prob...[Details]
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introduction Lithium batteries are widely used in various mobile electronic devices, such as portable digital products, lamps, toys, small household appliances and power tools. The shipment volume ...[Details]
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The true RMS converter uses the high-precision AD637 chip (Figure 16), which has few peripheral components, wide frequency band, and accuracy higher than 0.5%.
Figure 16 True RMS conversion ci...[Details]
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With the development of the LED lighting industry, LED panel lights, which are derived from LED backlights, have uniform light, no glare, and exquisite structure. They are loved by many people and...[Details]
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Speaking of monitor speakers, many people may have heard of them in the field of professional audio, but they are still unfamiliar with them. This should be discussed from the classification of speake...[Details]
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introduction
Aviation
power supplies
generally invert DC or AC (380V/50Hz) electricity into AC 115V/400Hz power for use in radar, aircraft and other equipment. There are man...[Details]
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Introduction
Negative voltage buck converters are increasingly used to step down negative voltages (in absolute value). The main reason behind the growing demand is the standardizatio...[Details]
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1 Generation and transmission of interference
1.1 Interference Generation
In the process of working, electrical equipment is subject to various interferences from the ins...[Details]
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CNC (Computer Numerical Control) system is a kind of automation equipment controlled by computer, which is widely used in mechanical processing, mold manufacturing, aerospace and other fields. CNC ...[Details]
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