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This article introduces a music doorbell that does not require buttons. As long as the visitor stands in front of the doorbell, the doorbell will automatically sound. The circuit principle of the mus...[Details]
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In daily life, interior designers and architects often face a problem, that is, in the design and decoration process, they have a headache because of various measurement difficulties or safety hazar...[Details]
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The essay "Cultural Journey" by Ye Liu
While sharing my thoughts on vanadium batteries in Xiamen, I did not forget to have a chat with Mr. Li, who is a wind power researcher. The conversat...[Details]
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UMC was sued by the U.S. Department of Justice and today (29th) reached a settlement of US$60 million. Legal persons admitted that the difference between the amount of UMC's fine and the amount it mi...[Details]
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Electromagnetic flowmeters have maintained a high market share due to their incomparable advantages. They have a simple structure, and the fluid flowing through the flowmeter will not cause pressure ...[Details]
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Introduction
Wireless applications represented by sensors and self-organizing networks do not require high transmission bandwidth, but require low transmission delay and extremely low power consum...[Details]
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Supermicro Launches New Servers and GPU Acceleration Systems for AI-Ready Data Centers, Powered by AMD EPYC™ 9005 Series CPUs and AMD Instinct™ MI325X GPUs
New Supermicro systems hel...[Details]
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"After more than 1,000 days of suffering, I finally returned to the embrace of my motherland. The long wait in a foreign country was full of struggle and suffering, but when I walked down the gangway...[Details]
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The information is instantly transmitted to receivers distributed in various counties, districts and major universities throughout the city through wireless networks. After being processed by t...[Details]
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China Energy Storage Network News:
From May 28th to 29th, Hunan welcomed strong winds. Due to the combined influence of multiple factors such as the large-scale development of new energy an...[Details]
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According to Reuters, two people familiar with the matter said that Italy is ready to contribute up to 40% of Intel's total investment to build a chip packaging and assembly plant in the country. ...[Details]
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The CAN controller determines the bus level based on the potential difference between the two lines. The bus level is divided into dominant level and recessive level, and one of the two must be pre...[Details]
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Digital power system management is eliminating this "blind spot" by enabling the setting and monitoring of a variety of power supply parameters through a computer interface. Programmable parameters in...[Details]
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USB (Universal Serial Bus) is now recognized as the preferred connectivity solution for many common off-the-shelf peripherals such as keyboards, mice, printers and storage devices. For equipme...[Details]
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1. Let’s first understand the flyback converter 1. Basic flyback circuit: 2. Working principle: The polarity of the primary and secondary windings of the transformer are opposite, which is proba...[Details]
DIY/Open Source Hardware
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