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1. Introduction to DS18B20 The DS18B20 digital temperature sensor is easy to wire and can be used in a variety of occasions after packaging, such as pipeline type, threaded type, magnet adsorption ty...[Details]
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From February 26 to March 1, the 2018 Mobile World Congress (MWC) was held in Barcelona. Today is the second day of the exhibition. Almost all the manufacturers who want to "show off their skills" ...[Details]
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1. Main technical difficulties
① There are tens of thousands of pixels on a large LED display. As the display area increases, the circuit structure becomes more complex.
② In order to ens...[Details]
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According to foreign media reports, researchers at the Technical University of Lübeck (TH) have developed a fast charging technology for electric vehicles that may provide a charging power of 1,000 k...[Details]
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Recently, according to domestic media reports, the global power battery leader CATL is actively promoting a lithium mine rebate plan to automakers to achieve battery price reduction. The report pointe...[Details]
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1 Introduction Compared with other motors, the AC servo system composed of PMSM has obvious advantages, such as high efficiency, good low-speed performance, small rotor inertia, etc. Therefore, t...[Details]
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0 Introduction
With the popularization of microcomputer applications, microcomputer measurement and control systems with MCS-51 single-chip microcomputer as the core can be seen everywhere....[Details]
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1. Experimental tasks As shown in Figure 4.14.2, use the parallel port P1 of AT89S51 to connect to a 4×4 matrix keyboard, use P1.0-P1.3 as the input line, and use P1.4-P1.7 as the output line; it ...[Details]
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Have you ever seen financial workers using laptops to work? Very few, not because they don't want to, but because there are too few suitable laptops. Professional workers or positions represented b...[Details]
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AnTuTu today released the domestic Android phone performance rankings for April 2019. The top two this month are still Xiaomi Mi 9 Premium Edition and Xiaomi Mi 9, with average scores of 373715 and 3...[Details]
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OFweek Cup · OFweek 2023 China
Robot
Industry Annual Selection (abbreviated as OFweek Robot Awards 2023) is jointly organized by OFweek, China's high-tech industry portal, and its authorita...[Details]
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Guangxi Development and Reform Commission Letter No. 2818
To the People's Governments of all cities, counties (cities, districts), and all member units of the Guangxi Inter-departmental Joint...[Details]
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Traditional car navigation systems are now facing the need to redefine themselves. This is due to the rise of smartphones. Faced with smartphones that are always online and can continuously increas...[Details]
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Recently, we obtained a set of sketches of future car interiors designed by General Motors designer Darby Jean Barber through foreign media channels. From the sketches, we can see that the future car...[Details]
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Clock cycle:
The clock cycle is also called the oscillation period, which is defined as the reciprocal of the clock pulse (it can be understood that the clock cycle is the reciprocal of the externa...[Details]