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This is a simple, low-cost and easy to build electronic speaker circuit which is designed close to the quad operational amplifier IC LM3900 (IC1). IC LM3900 has four independent operational amplifi...[Details]
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Today, a netizen said that Lenovo recently launched a digital community called "Duosun" (www.duosuna.com), which provides various digital product information and related discussion areas, and ...[Details]
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On October 20, the concentrated start-up activities of key projects in October in the Yantai section of the China (Shandong) Pilot Free Trade Zone and the groundbreaking ceremony of the Bajiaowan Edu...[Details]
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In July 2019, Japan imposed export controls on three semiconductor materials to South Korea, including photoresists used in extreme ultraviolet (EUV) lithography. Samsung SDI is reportedly developing...[Details]
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OPPO suddenly announced last week that it would terminate the operations of its IC design company Zheku, which also means that the self-developed mobile phone SoC plan that has been advanced to the l...[Details]
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0 Introduction In recent years, intelligent vehicles and intelligent transportation have become one of the research hotspots in the field of automobiles and intelligent control. Intelligent vehi...[Details]
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On June 1, Hyundai Motor Group's first overseas hydrogen fuel cell system R&D, production and sales base "HTWO Guangzhou" was officially completed in Huangpu District, Guangzhou City, Guangdong Provi...[Details]
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According to foreign media reports, researchers from KU Leuven and imec have successfully developed a chip insulation technology. The technology uses a metal organic framework, a new type of material...[Details]
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After achieving large-scale commercial operation in Shandong, Sichuan and other places, Huanyu Power Battery successfully entered the pure electric bus market in Shanghai and Haikou in 2012. Accord...[Details]
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Using a single-chip microcomputer (or single-board computer) to play music is probably one of the issues that radio enthusiasts are interested in. This article starts with the basic experiment of sin...[Details]
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On June 2, Huawei officially released the Harmony OS 2.0 system. It has been almost two months since the system was launched. Have you upgraded your phone? Recently, Harmony OS officially ann...[Details]
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TI drives innovation in driver assistance technologies, enabling more accurate blind spot monitoring and more efficient turn and corner navigation
New high-resolution 77 GHz automoti...[Details]
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1 Review of learning, in the last class we learned about static display We display the first digital tube and let it display 8 Now let's try some more tricks 1 Light up all digital tubes to d...[Details]
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Recently, at the Henan Provincial Independent Innovation System Construction Work Conference held at the Yellow River Guest House in Zhengzhou, the Henan Provincial Major Science and Technology Projec...[Details]
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