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Today, the proportion of CCFL backlight in LCD TV has dropped to 15%, while the penetration of LED backlight in LCD TV has reached 50%, and as the cost of LED decreases, this proportion will certai...[Details]
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I just started learning about power supplies and made a boost constant current circuit. When testing, I found that the selection of different magnetic rings has a great impact on the efficiency of ...[Details]
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We are finally vindicating the Samsung Eynos 5 Octa mobile chip. Previously, we thought that this chip could not support eight cores working simultaneously, and therefore called it a "non-standard"...[Details]
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The signal detection circuit is used to detect the change of the amplitude and phase of the signal after it passes through the network under test. The amplitude of the network under test refers to ...[Details]
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Due to its unsatisfactory performance in the first three quarters of this year, Tongyu Communications has been questioned by some investors. Why has the company's performance decreased instead of inc...[Details]
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There are several main steps for STM32 to use USART interrupts: 1. Define the interrupt structure and serial port structure 2. Enable the clock 3. Write interrupt function 4. Enable interrupt...[Details]
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The functions of automotive oscilloscopes are divided into basic functions and additional functions. The basic function is to display the waveform of analog signals and digital signals in the automo...[Details]
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On November 3, Crystal Optech said on an interactive platform that the company has always been optimistic about the market prospects of the new display industry and has a very comprehensive layout in...[Details]
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When the iPhone X with a notch design was first released, many people ridiculed and complained about the design. Although many people thought the notch design was not good-looking at the time, and ex...[Details]
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Wireless charging is now a common technology, but most solutions require the phone to be in contact with the charging base for charging. The recently unveiled Cota is a completely wireless charging s...[Details]
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According to media reports, Apple recently announced the discontinuation of the first-generation smart speaker HomePod, and said that the company will continue to produce and focus on the HomeP...[Details]
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1 Introduction With the popularity of electronic and electrical products in social life, many domestic small and medium-sized enterprises have begun to develop and produce such products on their own ...[Details]
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I attended two lectures by Professor Lu Hongyi of the National University of Defense Technology (of course, I watched the video) about the hardware security of embedded systems. At the same tim...[Details]
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When a 5V is generated in the USB port, the circuit limits the peak inrush current (in the USB interface) at the moment of insertion and at the same time limits the operating current up to 500mA, a...[Details]
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Industrial controller is an electronic device used in the field of industrial automation. It realizes automatic control and management of industrial production processes by receiving sensor signals...[Details]
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