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The World Intelligence Conference just ended held an unmanned driving competition. In this "national" technical competition led by the National Development and Reform Commission, the Ministry of In...[Details]
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Among commonly used sensors, the analog-to-digital converter is a crucial link. The accuracy of the analog-to-digital converter and the cost of the system directly affect the practicality of the syst...[Details]
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The intelligent electromagnetic flowmeter is an all-round intelligent flowmeter developed and researched with advanced technology at home and abroad. It has the advantages of accurate measurement, hig...[Details]
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TCL Group released its 2019 semi-annual performance forecast, and it is expected that performance will increase in the same direction during the reporting period. The announcement disclosed tha...[Details]
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Design is the soul of engineering, and optimizing design is crucial to ensure good engineering. The design of intelligent weak current requires designers to have higher and higher technical conten...[Details]
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TV manufacturers have been releasing new products intensively, hoping to compete in the second half of this year. On August 10, Huawei released the Honor Smart Screen; on August 16, TCL released the ...[Details]
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移相控制的全桥PWM变换器是最常用的中大功率DC/DC变换电路拓扑形式之一。移相PWM控制方式利用开关管的结电容和高频变压器的漏电感或原边串联电感作为谐振元件,使开关管能进行零电压开通和关断,从而有效地降低了电路的开关损耗和开关噪声,减少了器件开关过程中产生的电磁干扰,为变换器提高开关频率、提高效率、减小尺寸及减轻质量提供了良好的条件。然而,传统的移相全桥变换器的输出整流二极管存在反向恢复过...[Details]
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Interrupt is a very important concept. We have discussed this concept in the computer organization principle. It is also a very important knowledge point for the embedded direction and often appears ...[Details]
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The process of using the serial port is nothing more than correctly configuring its IO port mode, and then using the function to send or receive data. So let's first talk about the process required f...[Details]
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1. Parts installation sequence table This weighing plate has no special requirements for the order of parts installation. You can follow the principle of small first and large later, welding small ...[Details]
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The driving circuit is a Buck-Boost-Buck circuit controlled by HV9931, which is directly powered by AC power to achieve constant current drive and has PFC function; the dimming method adopts PWM d...[Details]
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According to foreign media reports, Israeli nanotechnology startup Gauzy Ltd. has raised $10 million (about 70.813 million yuan) in its Series C financing, led by Hyundai, Israel's most popular car b...[Details]
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According to foreign media reports, Korean researchers have developed a high-capacity positive electrode material that can enable lithium-ion batteries to maintain hundreds of stable charge and disch...[Details]
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On October 14, State Grid Corporation of China released the first Ubiquitous Power Internet of Things Development Outline "Ubiquitous Power Internet of Things White Paper 2019" (hereinafter referre...[Details]
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Notable suppliers include Alps Alpine, Ambiq Micro, Amphenol LTW, HELUKABEL and Zettler Magnetics DigiKey, the world's leading commercial distributor of off-the-shelf technology components and a...[Details]