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This application note provides a new perspective on physical access control from the perspective of information technology (IT). This article compares different types of lock technologies...[Details]
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1. Experimental task:
Use the T0 and T1 timing counter functions of the AT89S51 microcontroller to count the frequency of the input signal. The frequency result of the count is displayed thr...[Details]
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Introduction: American solid-state battery startup Sparks will build a pilot factory for its patented lithium battery technology based on cobalt-free cathodes. The race for new battery storage solu...[Details]
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Recently, Zhang Jun, general manager of Core Vision, attended ICCAD 2019 and introduced the current situation of Core Vision to the media. Zhang Jun introduced that Xinyuan Vision Company currently...[Details]
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With the development of electronic technology, daily lighting keeps up with the times and incorporates electronic technology. In order to save energy, lamps also use LEDs (light-emitting diodes), whi...[Details]
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Have you ever built a super cool Hi-Fi audio amplifier at home using simple components? If not here is the guide for you and I am pretty sure you will enjoy this one. This article tells about how t...[Details]
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TDR, or time domain reflectometer, is a common instrument used to measure the characteristic impedance of transmission lines. Typical applications of TDR are the measurement of characteristic impedan...[Details]
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1. Introduction to MCU
Single chip microcomputer: A microprocessor (CPU), memory (ROM and RAM), and I/O interface circuits are integrated on an integrated circuit chip, thus forming a single-c...[Details]
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Recently, Toyota Motor Corporation announced that Toyota and Panasonic Corporation signed a business merger contract and a joint venture contract on January 22, 2019 to establish a new company for t...[Details]
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After so many years of development, a range of 1,000 km is still a long way off? The development of pure electric vehicles has been driving the development of several areas, including software and ...[Details]
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There is a high-gain inverting amplifier inside the 8051 chip, which is used to form an oscillator. The input end of the inverting amplifier is XTAL1, and the output end is XTAL2. A quartz crys...[Details]
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China Energy Storage Network reported: "
The original fried chicken was heated by gas boilers, which consumed a lot of energy. After switching to electric heating, energy saving was about 25%...[Details]
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Industry sources revealed that Taiwan-based packaging and testing manufacturers such as ASE and Powertech Technology are stepping up efforts to expand high-end back-end services for the new iPhone an...[Details]
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1. Problem Statement
UPS has been developing towards high frequency, because high frequency structure UPS has many advantages, such as high efficiency, small size, high input power factor,...[Details]
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The automotive world is about to embark on a revolution so profound that not only will electric propulsion be used to replace different power units, but the production of cars and other vehicles wi...[Details]