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On the evening of April 21, CATL released its 2021 annual report. Data showed that CATL achieved operating income of 130.356 billion yuan in 2021, a year-on-year increase of 159.06%; and achieved net...[Details]
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"I swear that I volunteer to join the Party member commando. We will resolutely shoulder the most arduous burdens and go to the most dangerous places." On February 24, at the 4S094 tower assembly s...[Details]
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The P0 port of the 51 microcontroller works in the ordinary IO port mode and is a bidirectional IO port. When working in the second functional state, it is a standard bidirectional IO port. Since the...[Details]
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Using user space memory from the perspective of Linux users // In user space, it is managed in the form of segments In kernel space, these segments are managed by VMA // VMA in https://blog.csdn.ne...[Details]
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introduction
In situations where hardware is required to implement logarithmic operations , its accuracy and speed are issues that must be considered. Currently, the main methods for imple...[Details]
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Microprocessors and peripherals are increasingly demanding power, but obtaining power directly from an AC-DC converter is unlikely. At the same time, voltage requirements are becoming more and mo...[Details]
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0 Introduction
When conducting high-impact signal acquisition tests, although a hardware filtering unit is designed in the acquisition board, there is still a phenomenon of more burrs in th...[Details]
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Since the Biden administration came to power, it has engaged in head-on competition with China in all areas of advanced technology. Lithium batteries are no exception. On June 7, the U.S. Departmen...[Details]
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OPPO announced that the OPPO Reno5 series will be officially released on December 10, and will be endorsed by Zhou Dongyu. This time, the OPPO Reno5 series is positioned as a portrait video s...[Details]
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The first lidar sensor came from Velodyne. It first appeared on self-driving cars in the US DARPA challenge in the mid-2000s, leaving a deep impression because of its large and obtrusive size. For ...[Details]
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The row-column keyboard is also called the matrix keyboard. The I/O lines are used to form a row and column structure, and the keys are set at the intersection of the rows and columns. For example...[Details]
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Is it a bit presumptuous to design an autonomous driving chip to challenge Mobileye and Nvidia? Not necessarily. Currently, the design of autonomous driving system chips, or SoCs, is mostly done in...[Details]
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In the application of 65W~150W output power range, CrM PFC + QR Flyback topology is a very commonly selected architecture. With the trend of miniaturized integrated circuits, QR combo control chi...[Details]
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The semiconductor industry has entered a merger and acquisition-driven state, and its landscape is constantly being reshaped in the tide of integration. Since AMD announced its plan to acquire Xilinx...[Details]
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According to Phoenix Technology, multiple sources said that Apple has suggested that Luxshare Precision, the Chinese OEM of its AirPods wireless headphones, make a major investment in Catcher Technol...[Details]
PCB Design
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