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On April 24, Desay Battery released its first quarter performance report for 2024. During the reporting period, the company achieved total operating revenue of 4.095 billion yuan and net profit attrib...[Details]
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The microcontroller driving LED digital tube (or n LEDs) should be regarded as one of the classic experiments of microcontrollers.
Digital tube type:
A small number of digital tubes can actually ...[Details]
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Not long ago, the well-known actor Wang Zijian purchased the Meizu 18 and Meizu 18 Pro mobile phones using the M code, and posted the order placed on the Meizu official website. Yesterday eve...[Details]
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In the process of using the uninterruptible power supply system, people often unilaterally believe that batteries are maintenance-free and do not pay much attention to them. However, data show that...[Details]
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Many users are looking forward to Apple's moves in the upcoming March. After all, the long-rumored iPhone SE3 is about to be released. According to the latest report from the US media, vetera...[Details]
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According to foreign media reports, after Microsoft began accepting pre-orders for the Surface Duo, which will be shipped on September 10, the device has officially become a reality. The Surfac...[Details]
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On the evening of December 16, Hengmingda disclosed an investor relations activity record sheet, which pointed out that the company's customers have deployed in the metaverse field. The company's con...[Details]
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#include reg51.h
#include stdio.h
#define uchar unsigned char //macro definition of unsigned character type
#define uint unsigned int //macro definition of unsigned...[Details]
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PingWest reported on June 19 that the world's top academic conference in computer vision and pattern recognition, CVPR 2019 (Conference on Computer Vision and Pattern Recognition), was held in Long B...[Details]
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On Friday (12th), Brazilian media quoted US Ambassador to Brazil Todd Chapman as saying that the United States intends to subsidize Brazil and local telecommunications companies to purchase 5G equipm...[Details]
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The nominal -48V rail is widely used in telecommunications equipment in wireless base stations and network central offices, and its voltage can vary from -48 to -60V.
Measuring
its power co...[Details]
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According to foreign media reports, French research institute CEA-Leti has developed a genetic algorithm to calibrate high-channel-count optical phased arrays (OPA) to reduce the cost and size of lid...[Details]
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(Image source: University of Utah) According to foreign media reports, it is estimated that up to two-thirds of heat energy is wasted in the United States each year, for example, car engines, la...[Details]
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This design aims to produce a powerful alarm system that can notify the parties in time when an emergency occurs, even if they are not near the scene, and automatically call the alarm. Compared with o...[Details]
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Last time, I finished reading the boot assembly and prepared the C operating environment. Now I will start to learn the C source code and jump from the start.S file to the file
lib_arm/board.c ...[Details]
Analog electronics
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