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In the design of the driver, we may use flush_cache_all to flush the contents of the ARM cache to the RAM, because the cache in ARM Linux is generally set to write back. Usually, DMA cannot access ...[Details]
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On August 21, Quartz Holdings released its semi-annual performance report, achieving operating income of 441 million yuan in the first half of 2021, a year-on-year increase of 42.63%; net profit attr...[Details]
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#include reg51.h
#define uchar unsigned char
#define uint unsigned int
#define LCDPORT P0
uchar code tab ="I LIKE MCU!";
uchar code tab1 ="HELLO!";
sbit LCDE=P3^5;
sbit LCDRW=P3^6;
sbit...[Details]
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The bottom layer of PLC is single chip microcomputer, which generally uses RAM and ROM to save data. RAM will disappear when power is off, while ROM can still be kept when power is off, unless it i...[Details]
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The volt-ampere method (also known as the voltmeter or ammeter method) is a relatively common method for measuring resistance. Although the accuracy is not very high, the measuring instrument used is ...[Details]
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A new report from Navigant Research, which provides market forecasts for power capacity, energy capacity and revenues from newly installed distributed energy storage systems (DESSs) in ...[Details]
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Cangzhou Mingzhu Plastic Co., Ltd. (hereinafter referred to as the "Company"), a subsidiary of Cangzhou Mingzhu Lithium Battery Membrane Co., Ltd., invested in the construction of the "Annual Produ...[Details]
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How does a laser rangefinder work? Laser rangefinders generally use two methods to measure distance: pulse method and phase method. The process of pulse method distance measurement is as follows: the...[Details]
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1. Modify the color of the tab control
In LabVIEW, we often encounter the problem of modifying a certain tab. To achieve this effect, we need to call the property node page of the tab, and then...[Details]
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CMMB is my country's independently developed mobile multimedia broadcasting industry standard. It uses high-power S-band satellites to cover 100% of the country's land, uses ground coverage networks t...[Details]
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According to the Wall Street Journal report on November 8, Intel will become the biggest winner under the subsidies of the US Chip Act. Reports indicate that Intel will receive subsidies of US$3-4 bi...[Details]
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Abstract: Based on the introduction of the traditional position sensorless back EMF detection method, a new detection method is proposed by adopting the constant zero phase shift filtering technolo...[Details]
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SMART Modular, one of the global leaders in memory solutions, solid-state drives and hybrid storage, has just released its first DDR5 XMM CXL memory module. By adding cache-coherent memory behind the...[Details]
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Based on the fact that the overall reliability of Shanghai's power grid exceeded 99.99% this year, the Xihongqiao area where the CIIE is located has now further achieved an ultra-high power supply ...[Details]
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Recently, Shiqiang signed an agency agreement with Spain's PREMO Group. Founded in 1962 and headquartered in Barcelona, the Premo Group is not only one of the largest R&D and manufacturing com...[Details]
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