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About Qicheng
Qicheng Automation Training was founded in 2012 by Gongkong Laogui. The training projects focus on Mitsubishi, Siemens PLC programming system integration, industrial robot progra...[Details]
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(1) The library functions defined in C51 are different from those defined in the standard C language. The library functions defined in the standard C language are defined according to general microco...[Details]
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As power modules are used in more and more occasions and the application occasions are complicated, the input end of the power module is often accompanied by surge impact. If the surge voltage exceed...[Details]
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The AC adapter circuit of a commercially available portable CD/VCD player is shown in the attached figure. The nominal output of the adapter is 5V, 500mA, the volume is 7×4×1.8cm, and the weig...[Details]
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After years of experience with lighting manufacturers, I often feel that lighting manufacturers do not want to buy good LED power supplies, but they do not know how to distinguish whether the purchas...[Details]
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Introduction At present, there are various styles of music players on the market, which can realize rich functions, and the appearance design is more beautiful, which can better meet the needs of us...[Details]
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The latest sales data show that in 2019, Daimler's Mercedes-Benz and Smart brands exceeded the 700,000 vehicle mark in China for the first time. Even though the Chinese market is in a downward phase,...[Details]
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According to foreign media reports, people familiar with the matter revealed that Samsung SDI has decided to build a new electric vehicle lithium-ion battery factory in the United States, which is ex...[Details]
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Although the development of electric vehicles is now the mainstream topic, Honda, which has always been a bit rebellious, is still quietly doing safety research and development with the aim of red...[Details]
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On October 21, Jidu and CATL signed a strategic cooperation agreement to jointly promote the research and development and mass production of new energy technology products for automotive robots...[Details]
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Smartphone companies such as Samsung and Huawei are beginning to enter the era of second-generation foldable phones, while Apple is still developing its first foldable iPhone. There have been a num...[Details]
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On April 28, 2022, Huawei officially released its foldable flagship mobile phone Huawei Mate Xs 2. Continuing the classic outward folding design, Huawei Mate Xs 2 is ultra-light, ultra-flat, ultra-re...[Details]
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eSATA is an external SATA interface that can achieve the same transfer speed as SATA, such as eSATA 1500Mbps or eSATA 3000Mbps. eSATA 3000Mbps is also backward compatible with 1500Mbps, which is the s...[Details]
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1 Introduction Temperature is a common and important physical parameter in production processes and scientific experiments. In industrial production, in order to produce efficiently, the main paramet...[Details]
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In recent years, with the accelerated development of intelligence, electrification and networking, cars are transforming from a single means of transportation to a third space that integrates leisu...[Details]
Analogue and Mixed Signal
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