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The capacitance measurement circuit composed of LM741 is shown in the figure below. The measurement principle of this circuit is that the measured capacitor Cx is charged and discharged to form a t...[Details]
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With the large-scale construction of data centers in recent years, the reliability and maintainability issues exposed by traditional power supply systems in large-scale deployment and operation hav...[Details]
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Preface In an actual application system, there are always various interferences. When using DSP for digital signal processing, the signal can be extracted from the noise, that is, a mixed source of ...[Details]
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1. Production situation
From January to July 2020, among the main products of the national battery manufacturing industry, the output of lithium-ion batteries was 8.84 billion, a year-on-y...[Details]
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Micromachining is
a key technology for
MEMS
and micro-opto-electromechanical systems. Micromachining can be divided into two types: bulk micromachining and
surface micromachining
. Bulk micr...[Details]
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The power battery industry has experienced ups and downs over the past seven years, with more than 200 companies rising and falling in it. Since the new energy vehicle subsidy policy was officially...[Details]
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Digital Audio Interfaces (DAI), as the name implies, refers to the way of transmitting digital audio signals at the board level or between boards. Compared with analog interfaces, digital audio int...[Details]
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According to authoritative statistics, the power consumption of communication rooms is the main energy consumption of telecom operators, and air conditioning energy consumption generally accounts for ...[Details]
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There are two timer/counters T0 and T1 inside the 8051 microcontroller, which have both timing and counting functions. T0 and T1 do not require CPU participation during the counting process and do no...[Details]
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Apple released a series of system updates today, including the macOS Big Sur 11.0.1 candidate version pushed to developers. Last week, Apple just released the first test version of macOS Big Sur 11.0...[Details]
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At CES 2022, health tech company Movano announced the Movano Ring, a wearable device designed to help people monitor chronic conditions inexpensively and better understand their data. The M...[Details]
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1. Quantity: I2C1 and I2C2 2、时钟: RCC_APB1PeriphClockCmd(RCC_APB1Periph_I2C1 | RCC_APB1Periph_I2C2,ENABLE); 3. The IO is configured as open-drain output and can also be read during input. Function m...[Details]
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On October 31, Samsung's One UI 4.0 system is based on the latest Android 12, and the Galaxy S21 series of phones can now experience it. According to foreign media mspoweruser, Samsung has now opened...[Details]
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Accurate measurement requires the selection of the correct instrument. The quality of the instrument is the main thing, and the second is to consider the installation requirements. If the installatio...[Details]
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The vehicle control system and battery management system of a pure electric vehicle are two crucial systems in the vehicle, each of which has different functions.
1. Battery Management S...[Details]