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1. What is LED?
In the PN junction of some semiconductor materials, when the injected minority carriers recombine with the majority carriers, they release the excess energy in the form of ligh...[Details]
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Automobile surface coating scratch tester The scratch tester can test the scratch resistance of the surface coating of the product, such as coil coating, tin can ink, metal paint, automotive surface ...[Details]
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The differential pressure flowmeter is based on the throttling principle of fluid flow, and uses the pressure difference generated when the fluid flows through the throttling device to achieve flow m...[Details]
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Maxim's
MAX7219
chip is used for dynamic scanning display driver. The chip has 8x8 static RAM, dynamic scanning circuit, and segment and bit drivers that can store display information. It is co...[Details]
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Tesla's overall vehicle registrations in California nearly halved in the fourth quarter of 2019. It is reported that registrations in California plummeted 46.5% to 13,584 vehicles, compared with 25,4...[Details]
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Recently, AMD officially released the fourth-generation EPYC 9004 series processor code-named "Genoa", targeting servers, data centers, high-performance computing, artificial intelligence and other f...[Details]
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The power battery is the most important component in electric vehicles, and it is also the part that makes the biggest difference between electric vehicles and traditional fuel vehicles. According to...[Details]
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In order to achieve the accuracy of the measurement data, in addition to choosing the right instrument, the choice of test and measurement methods should not be underestimated. The power unit o...[Details]
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0 Preface
Capacitive sensor is a device that converts the change of the measured value into the change of capacitance. Capacitive sensor has the advantages of simple structure, high resolution, r...[Details]
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Today, @ROG Gaming Phone’s official Weibo account released a message, saying that ROG Gaming Phone and Tencent Games have reached a three-year brand strategic cooperation, and released a poste...[Details]
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0 Introduction
Looking at the development of 12V batteries for access networks in China, 2000 was a watershed year. Two things that happened in this year are worth reviewing again: First, ...[Details]
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The speed measuring device plays a very important role in the locomotive control system. The requirements for the speed measuring device are strong resolution, high precision and the shortest possibl...[Details]
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With the rapid growth of China's new energy vehicles in 2023, the global power battery market will also rise accordingly. Although the global installed capacity in December 2023 has not yet been re...[Details]
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EU regulators are drawing up a "hit list" of up to 20 large internet companies, which could include Silicon Valley giants such as Facebook and Apple, that will face stricter regulations than smaller ...[Details]
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The safety of charging lithium-ion batteries in mobile phones is increasingly being taken seriously by consumers. Therefore, when designing their products, charger manufacturers must understand the...[Details]