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In the past, it was cold in winter and it was inconvenient to take a bath because it was a hassle to boil water. In the past, if you wanted to use hot water in winter, you had to use firewood to bo...[Details]
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I was porting 2440 and happened to look at the 2.6.32 code. I found the following structure definition in mach-smdk2440.c of smdk2440:
static struct map_desc smdk2440_iodesc __initdata =...[Details]
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In the early days of the founding of New China, Tongliao City's industry was almost blank. Under the leadership of the Party, people of all ethnic groups in Tongliao City began a difficult entrepreneu...[Details]
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1. Analysis of the main chip of mobile power supply 1. Lithium battery management IC: At present, the domestic charging management system is relatively mature. The intelligent IC monitors the e...[Details]
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"Some time ago, the investment director and I visited more than 200 companies in the past six months. After the communication, I felt that something was not right. There was some false enthusiasm. Th...[Details]
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On April 16, State Grid Zhejiang Electric Power Co., Ltd. released a new plan for the construction of charging piles in 2020, focusing on new infrastructure. It plans to invest more than 250 millio...[Details]
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(Photo source: greencarcongress) According to foreign media reports, researchers from Zhengzhou University, Tsinghua University and Stanford University have jointly developed liquid lithium-sulfur...[Details]
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The iPhone's display screen is the most expensive component, and when it comes to purchasing displays, Apple has to face the dilemma of being restricted by Samsung Display, the only supplier of high-...[Details]
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Shenzhen, the 7th China Information Technology Expo (CITE2019), hosted by the Ministry of Industry and Information Technology and the Shenzhen Municipal People's Government, opened grandly this morni...[Details]
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#include regx51.h unsigned char code led ={0xc0,0xf9,0xa4,0xb0,0x99,0x92,0x82,0xf8,0x80,0x90}; void delay_50ms(unsigned int i){ while(i--); } void main(void){ char i=0; while(1){ for(i=0...[Details]
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IEEE and the IEEE Future Networks Initiative released the first version of the IEEE International Network Development Roadmap (INGR). The group believes that INGR is a reference tool that can help id...[Details]
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Hyundai Motor Group recently said it plans to invest 41 trillion won (about 35 billion U.S. dollars) in mobile travel technology and strategic investments by 2025, indicating that South Korea's large...[Details]
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In general, the R-type step-up transformer is mainly used to convert a low-value alternating voltage into another high-value alternating voltage. At present, there are relatively few transformer ma...[Details]
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According to news on November 9, SMIC announced its unaudited performance report for the third quarter ending September 30, 2023. In the third quarter of 2023, SMIC's revenue was US$1.6206 billion (a...[Details]
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Basic knowledge of impedance that you need to understand first There are several different techniques and methods for measuring impedance, and you should choose a specific test technique based on the...[Details]
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