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Taiwan announced today that its manufacturing purchasing managers' index (PMI) for April was 51.7%, the first time it has been above the 50% boom-bust mark since November last year. Among the...[Details]
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I will paste the source code and test routines directly, and they are accompanied by Chinese comments without further explanation. Bottom-layer driver: #define key_state_0 0 #define key_state_1 1...[Details]
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The source program is compiled in C language and compiled with C51's keil-8.08 compiler. The file name is USBsvg.c. The program uses a large number of USB_api microcontroller function libraries. Ther...[Details]
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Technology experts often overuse words like "disruptive" and "revolutionary," but the recent evolution of automotive design and manufacturing is undoubtedly both disruptive and revolutionary. These c...[Details]
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0 Overview In the debugging test work of power system generator sets and other engineering practices, especially in the debugging work of rotating machinery, low-frequency signal generation source...[Details]
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LED is widely used in the industry because of its wide application and reasonable price. Whether it is holiday decorative lights or various lamps used in the home, LED drive circuits are used b...[Details]
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As a professional instrument manufacturer focusing on " power electronics " in the field of test and measurement , ITECH exhibited a variety of products including test systems, AC and DC power sup...[Details]
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Germany's Autoweek reported on December 20 that the auto industry produced 4.5 million fewer cars this year due to a shortage of chips. The latest research shows that the chip shortage problem will c...[Details]
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The controller is a main command device that changes the wiring of the main circuit or control circuit and the resistance value in the circuit in a predetermined order to control the starting, spee...[Details]
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Introduction: Scientists in the United States studied the use of different conductive filler materials in lithium-ion battery electrodes and found that adding single-walled carbon nanotubes to nickel...[Details]
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According to media reports, Huawei's new P50 series will be released on July 29, and may be equipped with Snapdragon 888 series 4G chips and Kirin 9000 5G chips. It is worth mentioning that the P50 s...[Details]
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Autopilot and smart driving. Since Tesla launched autopilot in 2012, domestic car companies have not stopped researching and talking about this aspect. Currently, the most "authoritative" autopil...[Details]
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With the acceleration of urbanization in my country, urban lighting construction has become increasingly important as a reflection of the city's image. In urban lighting systems, how to save energy...[Details]
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Abstract: This paper introduces the new SKHI21/SKHI22 hybrid dual-channel IGBT and MOSFET driver integrated circuit produced by German Siemens AG, and lists its main design features, main parameter...[Details]
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There are many subsystems in the hybrid power system. The vehicle controller, as a management system to achieve the driver's driving needs and energy safety, needs to coordinate the reasonable distrib...[Details]