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According to data from the China Association of Automobile Manufacturers, in the first quarter of 2020, the production and sales of new energy vehicles reached 105,000 and 114,000 respectively, down ...[Details]
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prologue What is electronic and electrical architecture? The electronic and electrical architecture includes all hardware, software, sensors, actuators, and electronic and electrical distribution s...[Details]
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On the afternoon of December 2, Microsoft held a special event in Beijing to celebrate the 2020 International Day of Persons with Disabilities, showcasing the latest progress in Microsoft's AI ...[Details]
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In-circuit testing can be divided into testing in the power-on state or testing in the power-off state. In the power-on state, the base voltage can be measured. Generally, the silicon tube is 0.7V. T...[Details]
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Apple has reduced operations at all of its stores in New York City and limited service to customers because of a surge in COVID-19 cases. The closures have occurred in New York City since the week ...[Details]
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Q1: What is a touch screen?
A: A touch screen is a device that uses a computer to identify the position of a display screen by contact with the surface (such as with a finger, pen, or other obj...[Details]
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The Sino-US trade war has officially begun. The Bureau of Industry and Security of the U.S. Department of Commerce has included Huawei in the Entity List, which means that American companies need to ...[Details]
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Application of flaw detector in automobile maintenance
The parts to be inspected in automobile maintenance are mainly made of steel materials, and the purpose of flaw detection is mainly to ...[Details]
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As usual, Redmi started warming up its new Note series products on social networks early on, so before today's press conference, we actually already knew most of the parameter information. ...[Details]
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Lighting design is divided into quantitative design and qualitative design. Quantitative design is the basis, which is to determine the lighting level and lighting standards (illuminance, glare li...[Details]
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As a window to a city, the modern and efficient operation of an airport is often regarded as a microcosm of the region's vibrant economic development. Among them, the application of advanced communica...[Details]
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Light of 2023: 4th and 5th Generation Xeon 338 days after the release of the fourth-generation Xeon processor at the beginning of this year, Intel once again made a big move - the fifth-generation ...[Details]
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In the general impression, smartphones are often rectangular, and if they are a little more unique, they are foldable. However, at the CES 2020 exhibition, a round-looking Cyrcle concept phone ...[Details]
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As global energy becomes increasingly scarce, energy conservation and power saving are imminent. Power conversion is an important part of energy conservation and power saving. In the process of pow...[Details]
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1. Selection of Optocoupler
For optocouplers using a phototransistor, the CTR range is mostly 20% to 300% (such as 4N35), while PC817 (not recommended) is 80% to 160%, and Darlington optocouplers...[Details]