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Dalianda Holdings, a leading semiconductor component distributor dedicated to the Asia-Pacific market, announced that its subsidiary Shiping has launched an automotive intelligent gateway solution b...[Details]
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At present, fingerprint recognition is mainly used in attendance, access control, safes and other fields. I believe that with the improvement of fingerprint recognition technology, it will be widely ...[Details]
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1. Virtual Instrument Technology
1. Introduction to Virtual Instrument Technology
Virtual Instrument was first proposed by National Instrument in the 1980s. It is a computer-based hardware an...[Details]
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1. Differentiate whether a circuit or device is charged or not. The AC voltage block of the digital multimeter is very sensitive, and it can show even a small induced voltage nearby. Based on this f...[Details]
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Introduction With the rapid development of electronic information technology, current semiconductor devices are becoming increasingly miniaturized, high-density and multi-functional. Especially appl...[Details]
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0 Introduction
During the normal operation of the high-voltage inverter, if a power unit fails, the general implementation method is to bypass the failed power unit and bypass the corr...[Details]
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The author has previously reported that with the upgrading and technological innovation of the mobile phone camera industry, more and more companies in the camera industry are being capitalized. Prev...[Details]
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The half-bridge LLC resonant converter has been widely studied due to its simple topology and high working efficiency. Here, pulse frequency modulation (PFM) is used for the working condition of wide ...[Details]
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Wireless charging technology actually existed in the 19th century, but it has not been widely used in daily life in the 21st century. This is because at the current stage of technological developme...[Details]
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The previous issue of this magazine introduced the circuit and program design method of the single-chip microcomputer to capture the infrared remote control decoding method, and gave an example. Thi...[Details]
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When measuring high-value resistance in the megohm range, the impedance value displayed by the E4980A Precision LCR Meter is much lower than the DC impedance of the device under test. How can I measu...[Details]
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The frequency source is the core of modern shortwave radio frequency communication system and plays a decisive role in the normal operation of the entire system. As the core equipment of radio freq...[Details]
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Many netizens have asked me why the P0 port of AT89S51 needs a pull-up resistor. I will use this article to explain that the internal circuits of the P0 port and the other three ports are different,...[Details]
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IoT (Internet of Things) devices used in homes, cars, mobile communication devices, and payment systems are beginning to become popular in the healthcare and industrial fields. These billions of conn...[Details]
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Inverter constant pressure water supply is a water supply method widely used in industrial and civil fields. It achieves constant water supply pressure by adjusting the speed of the motor. This wat...[Details]
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