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Images in science fiction movies often break through the limits of reality, such as in the movie "Minority Report." Tom Cruise uses a multi-touch screen to browse information. Capacitive sensing te...[Details]
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Xiaomi, a well-known Internet phone in mainland China, won a million-unit order contract from China Unicom on November 20 last year, which made Xiaomi famous in mainland China. In April this year...[Details]
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Fast charging of batteries for electric vehicles is an important topic in the research and development of electric vehicles. Although many practical charging devices or commercial chargers have the...[Details]
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Introduction
Since the advent of the single-chip microcomputer in the 1970s, it has attracted people's attention and concern for its extremely high cost performance, so it is widely used and de...[Details]
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1 Introduction
In recent years, PFC technology has been a hot topic in the field of power electronics, and many PFC circuits have been proposed. At present, switching converters with power f...[Details]
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In recent years, domestic vacuum
switches
have developed towards high voltage, large capacity and high reliability, and the AC and DC ultra-
high voltage and
UHV
technology upgrade a...[Details]
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This machine has a 12V BT and can also be 24V. My goal is 800W at 12V, and I strive for 1000W. The overall structure is based on the 3000W machine of Zhong Gong. There is also a large heat sink at ...[Details]
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With the increasing intelligence of automobiles and the need for rapid upgrades, automotive electronic networks are developing from centralized control to distributed control. As an effective suppleme...[Details]
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Bluecore from CSR, the leading chip manufacturer of Bluetooth single chip, is the most commonly used Bluetooth single chip series, which is widely used in Bluetooth headsets, Bluetooth mobile phone...[Details]
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The author designed a voice temperature measurement system based on the single-chip microcomputer STC89C52RC, DS18B20 temperature sensor and voice chip ISD1730, and gave the detailed design process...[Details]
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The attached figure is a DC series voltage regulator circuit with an output voltage of +40V to +80V. Since the output voltage can be adjusted to +80V at most, and the power supply voltage of the in...[Details]
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As we all know, the development of modern switching power supply technology is transforming traditional old electrical equipment on an unprecedented scale and has widely entered various fields of n...[Details]
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Recently, good news came from the School of Information of our university. Based on many years of research, the photovoltaic grid-connected inverter device developed by Fudan University has achieve...[Details]
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1. LED brightness
The brightness of a light-emitting diode is generally expressed in luminous intensity (Luminous Intensity), and the unit is candela cd; 1000ucd (microcandela) = 1mcd (milli...[Details]
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1
Introduction
Data acquisition technology is a very important branch of information science. It studies the conversion, acquisition, storage, processing and display of information d...[Details]