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Using the 555 integrated timer and adding a small amount of peripheral components, a simple and practical coil turn short circuit tester can be made. It can be used to simply and accurately determine ...[Details]
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Japanese media reported on September 16 that Japanese companies are being hit increasingly hard by the trade war, but few Japanese companies plan to withdraw from China. According to a report on the ...[Details]
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High efficiency and energy saving are the primary issues in home appliance applications. Three-phase brushless DC motors are widely used in home appliances and many other applications due to thei...[Details]
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At the beginning of 2021, after eight years of deep cultivation in the field of smart cars, Baidu officially entered the field of car manufacturing; almost at the same time, Intel's autonomous drivin...[Details]
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Welding is one of the important processes in the automobile manufacturing process, which has very high technical index requirements, so the welding quality must be well tested. The traditional dete...[Details]
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In the first quarter of this year, electric passenger cars, lithium batteries and solar cells, known as the three new foreign trade items, continued to perform well, with a total export of 264.69 bill...[Details]
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Working principle: 220V AC voltage is stepped down by transformer T, bridge rectified by diodes VD1~VD4, filtered by C1 to obtain a DC voltage of about 3.6V. One path passes through the voltage stabi...[Details]
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On November 22, the signing ceremony of the cooperation agreement between Xichuan Beijing Jinyang Vanadium Co., Ltd. and Dalian Rongke Energy Storage Group Co., Ltd. was held in Xichuan County. Liu Ya...[Details]
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India's antitrust regulator has ordered an investigation into whether Google is using its Android mobile operating system to crush rivals, two people familiar with the matter said. In February,...[Details]
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1. The interrupt vector cannot be found without adding the stm32f10x_it.c initialization file.
2. Without adding the header file to the CM3 folder, the compiler automatically links the type definitio...[Details]
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The assets of Shenzhen Gionee Communication Equipment Co., Ltd. were auctioned on Alibaba Auction. According to media reports, the main reason for the auction was that Shenzhen Gionee Communication E...[Details]
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The characteristic of using the fsmc bus to drive the color screen is fast speed. Compared with the timing method of using IO port simulation, FSMC has good stability. The disadvantage is that the co...[Details]
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With the launch of 3G network construction, the monitoring of 3G repeater equipment has also been put on the agenda. At present, the 3G mobile communication industry is gradually moving towards the...[Details]
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The various data registers and control registers inside a 32-bit microcontroller are all 32 bits. Similarly, the data and control registers inside an 8-bit microcontroller are all 8 bits. For examp...[Details]
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NIST researchers built a single-photon camera using 400,000 superconducting nanowires, the highest-resolution camera of its kind. With further improvements, the camera will be ideal for low...[Details]
PCB Design
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