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From June 9 to 11, 2021, VARTA, a global battery technology expert, was invited to attend the first Consumer Technology and Innovation Show (CTIS) held in Shanghai with its new CoinPower A4 series ...[Details]
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This morning, blogger @数码闲聊站 broke the news that Huawei Mate X3 is on the way. The parameters of the engineering machine include Kirin 9000 4G chip, full-height refresh large screen, 4500mAh ba...[Details]
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The program status word PSW is an 8-bit register used to store the status information of the program running. The status of each bit in PSW is usually automatically formed during the execution of ins...[Details]
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China Energy Storage Network:
It took the lead in completing the pilot construction of 27 digital power supply stations in Lintong, Xi'an and Yaozhou, Tongchuan, achieving "one team on site...[Details]
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introduction
In 1946, the birth of the first electronic computer ushered in a new era of computer development. With the rapid development of computer science and technology, the application of...[Details]
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In view of the inconvenience of electricity consumption and fee management in various places, this paper studies the remote electrical parameter measurement technology based on ARM and Ethernet. This ...[Details]
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Jiwei.com reported on November 18 that today, vivo held a special event for OriginOS in Shenzhen and officially released a new mobile phone operating system - OriginOS. The new system is based on use...[Details]
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In recent years, with the continuous improvement of LED in almost all aspects such as light efficiency and cost, its application areas have been continuously broadened, from traditional portable de...[Details]
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With the popularity of home theater AV systems, subwoofers are becoming more and more popular and widely used. In fact, subwoofers are not only used in AV systems, but also in the popularization of hi...[Details]
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1 Introduction
At present, bus-type electrical fire alarm devices are being developed in my country. Traditional bus-type electrical fire alarm devices (such as two-bus, RS-485, etc.) have cert...[Details]
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1. Let's talk about the buzzer first. The buzzer is a silver metal, as shown in the figure below. Some of them do not have welding cables. It mainly relies on two vibration plates to convert electr...[Details]
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/script script src="http://pagead2.googlesyndication .com/pagead/show_ads.js" type=text/javascript /...[Details]
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Scientists from the University of Notre Dame in the United States have invented a new 3D printing method - high-throughput combined printing, which can control the 3D structure and local composition ...[Details]
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Definition of bootloader:
It is equivalent to the BIOS of a PC. It is a small program that runs before the operating system starts the kernel. Through this small program, we can initialize the hardwa...[Details]
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【First, let's distinguish two concepts: interrupt and exception. Interrupt is a type of exception. Take the 2440 development board as an example. It has more than 60 interrupt sources, such as from...[Details]