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We have analyzed the BOM of the OPPO Enco W51 noise cancelling headphones, and this time we will analyze the number of components and their cost. Device analysis description: Before we start the an...[Details]
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In the era of full-screen phones, the screen-to-body ratio is getting higher and higher, and white front panels are becoming less and less common. Taking this year's flagship models as an example, ...[Details]
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1. Interrupt Concept When the CPU is processing an event A, another event B occurs, requiring the CPU to process it quickly (an interrupt occurs); The CPU temporarily interrupts the current work an...[Details]
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The outflow coefficient of the V-cone flowmeter is related to parameters such as the diameter ratio β and the Reynolds number Red. Sometimes it is difficult to ensure that the parameters are always w...[Details]
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When it comes to new energy vehicle models, the first thing that comes to mind is definitely pure electric models, which are also the focus models with the most calls and corresponding manufacturer...[Details]
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As we all know, the laser particle size analyzer is an optical measuring instrument , in which the laser and the detector are important components and important optical elements. Currently, there ar...[Details]
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In electric vehicles, 40% of the cost comes from batteries, which are like the heart that provides "blood pumping function" for electric vehicles. The performance and life of batteries are importan...[Details]
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On the evening of March 28, BYD disclosed its 2022 annual report. The announcement showed that in 2022, BYD achieved operating income of 424.061 billion yuan, a year-on-year increase of 96.2%;...[Details]
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In the electrical system of weapons and equipment, 400Hz medium frequency inverter is one of the widely used power sources . When performing performance testing and fault diagnosis on various ele...[Details]
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Over the past decade, ride-hailing has been the fastest growing mobility service in the world, disrupting the taxi and car rental industries and creating a new way to travel. Although regulatory bans...[Details]
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Amazon's Alexa smart speaker, Ant Financial's Sesame Credit score, Foxconn's "lights-out factory", Zume Pizza's pizza-making robots, and the self-driving cars that global automakers and technology gi...[Details]
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Image from "Specific Authorization" After concluding its first exhibition at the World Artificial Intelligence Conference in Shanghai, China’s first automotive-grade artificial intelligence chi...[Details]
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Abstract: In order to realize the interface function detection of a special interface device, this paper introduces in detail a 34-bit serial code encoding method, and designs the receiving and sen...[Details]
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Xiaomi has made new progress in car manufacturing. Recently, the Internet exposed the picture of Xiaomi's self-driving test vehicle. It can be seen that the test vehicle is equipped with a laser rada...[Details]
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If you are an auto technician, vehicle technician or auto mechanic, you may find this cheap yet powerful car battery charger circuit very handy as it can be used to charge all types of car and moto...[Details]
PCB Design
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