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C114 News Beijing time, June 14th afternoon news (Jiang Junmu) Members of the US Federal Communications Commission (FCC) slammed the Department of Commerce (DoC) for hindering efforts to free up new ...[Details]
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What is IEC 62443?
IEC62443 is a set of standards for protecting industrial automation and control systems (IAC) from cybersecurity threats. It includes a comprehensive series of documents tha...[Details]
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Jiwei.com reported on December 9 that the well-known mobile phone evaluation organization DXOMARK recently announced the front camera scores of Xiaomi 10 Ultra Commemorative Edition, with a photo sco...[Details]
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Electricity is a national basic industry, which is related to the national economy, people's livelihood and economic development. Sudden large-scale power outages will have a catastrophic impact on...[Details]
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According to foreign media reports, in a recent project, researchers at the University of Sussex used a quantum-based sensor to measure battery behavior, and hoped that the data generated could be us...[Details]
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By porting your own drivers, you can learn driver porting in kernel porting, as well as dynamic and static compilation of driver programs. Hardware environment: Linux kernel version: Linux 3.14 ...[Details]
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In view of the complexity of current applications, SOC chips can better meet the needs of applications and media, integrate many interfaces, use ARM as an application processor for diversified applica...[Details]
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This morning I read the "stm32 Authoritative Guide" and didn't understand some of the content about the R15 register. I checked the information and found out that this is the case.
Here is som...[Details]
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Recently, Weibo user @有富人说出, which is preparing to celebrate its 90th anniversary, said that alumnus Ren Zhengfei donated a batch of 100 "Pearl River Pianos" to Chongqing University, his alma mater, ...[Details]
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Qualcomm Incorporated (NASDAQ: QCOM) and Saudi Arabian company Dallah Trans Arabia Limited Liability Company (hereinafter referred to as "Dallah") announced today that the two parties have signed a p...[Details]
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introduction
LED display screen has the advantages of low cost, long life, low power consumption, wide operating temperature range, etc., and is widely used in the display of text and image in...[Details]
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Table of contents
1. Background
2. DC LED chips
(I) DC LED chips with high current density
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I won't go into detail about what NFS is, but the definition is as follows: Network File System (NFS ) is a mechanism for mounting partitions (directories) on a remote host to a local system via a ...[Details]
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The touch-type anti-theft alarm circuit is composed of a rectifier filter circuit, a touch metal sheet M, a monostable trigger, a sound simulation circuit, an audio power amplifier circuit, etc. ...[Details]
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The operation of live sound explained here is very different from recording technology. Many people think that the highest level of sound is recording technology, which is not comprehensive. In re...[Details]
Power technology
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