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The light-emitting principle of LED is different from that of traditional lighting . It relies on PN junction to emit light. LED light sources with the same power have different current and vo...[Details]
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Beijing time, October 20th morning news, it was reported that Apple launched a series of new products on October 18, including new MacBook Pro laptops, third-generation AirPods headphones, and cheape...[Details]
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(Based on the stm32_v5 development board) 1. Create a project and write a C program #include"stm32f10x.h" #include"stdarg.h" void USART1_Config() { GPIO_InitTypeDef GPIO_InitStructure; USART_...[Details]
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With the booming development of China's smartphone industry, the personnel turnover between manufacturers is becoming more and more frequent. Those who used to be enemies can now work in the same com...[Details]
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Engineers at Stanford University and Georgia Institute of Technology have created a small, autonomous device with a stretchable, flexible sensor that attaches to the skin and measures changes in the ...[Details]
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Among the various components of electric vehicles, the power battery seems to be the most important part to consumers. Its performance and safety will have a direct impact on cruising range and user ...[Details]
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Virtual characters, virtual space... I didn't expect that factories could also be virtual! Did you know? In the West High-tech Zone of Chengdu, Sichuan, the first virtual power plant in western China ...[Details]
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A South Korean research team has developed an AI -based medical image interpretation system that can screen for lung diseases such as lung cancer through chest X-rays, with a diagnostic accuracy ra...[Details]
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Recently, the Mineral Resources Office and the New District Economic and Trade Bureau formed an investment promotion team to visit Dalian Rongke Energy Storage Technology Development Co., Ltd. to cond...[Details]
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International research and consulting firm Gartner recently released its top ten predictions for 2020 and the future at the Gartner IT Symposium/Xpo seminar. Empowerment, decision-making, emotions an...[Details]
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The H series is a classic product of the XGIMI projector family. From the award-winning XGIMI H1 to the XGIMI H2 launched last year, they have all achieved unprecedented success. After a year, the H ...[Details]
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On December 21, Reuters reported that Norway’s traffic safety regulator is investigating a suspension failure in Tesla electric vehicles that may lead to a vehicle recall. Tor-Ove Satren, a senior ...[Details]
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Shanghai – On September 28, China's annual chip technology innovation summit "2021 Synopsys Developer Conference" was successfully held at the Shanghai Tower. At a time when the digital economy has b...[Details]
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a. Keep the battery clean, wipe off the spilled electrolyte, contaminated dirt and dust in time; keep the poles and terminal clamps clean and in good contact, and apply vaseline or butter to preven...[Details]
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As for
the manufacturing of
electron tubes
, I am not a professional, so I only know a little bit. I will show my ugliness here, just for after-dinner conversation.
The manufacture of electro...[Details]
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