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Almost any device that plays or records audio has audio metering capabilities, from cell phones that display a bar graph of audio output level to home stereos with flashing LEDs to live broadcasts....[Details]
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There have been a lot of news about GAC Group on the Internet recently. Many friends have learned that some time ago, GAC Group criticized the battery prices sold by automobile battery factories for ...[Details]
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Troubleshooting of regulated power supply during use: (1) Varistor burst occurs: ① The varistor is broken; ② The photoelectric coupler of the corresponding phase is damaged; ③ The thyristor modul...[Details]
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NTC thermistor is a thermal resistance element whose resistance drops sharply as the temperature increases. Taking advantage of this characteristic, in addition to being designed as a temperature sen...[Details]
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I have read a lot of analysis about uboot before, which mentioned that the stack should be prepared for the operation of C language.
In the start.S assembly code of Uboot, I also saw the...[Details]
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When a ground leakage fault occurs in a power distribution line or control equipment, it is difficult to find out the specific ground fault point. The method of using a clamp ammeter to determine the...[Details]
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1. What is embedded? 2. What knowledge is needed for embedded systems? Knowing these two points, it's easy! I started planning my study route. The basic theory of computers cannot be lost, so...[Details]
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1 Introduction
With the emergence of the Internet and the rapid development of Ethernet, more and more devices are controlled based on Ethernet. Currently, most Ethernet controllers on the mar...[Details]
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The UART can be configured to follow the single-wire half-duplex protocol. The single-wire half-duplex mode is achieved by setting the HDSEL bit in the UART_CR5 register. In this mode, the following ...[Details]
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China Energy Storage Network News:
In order to adapt to the new situation of power market reform, further standardize the information disclosure of the power market in Central China, streng...[Details]
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When the absolute value of a signal is needed, we often use high-precision rectifier circuits as part of signal size measurement circuits in metering applications. There are countless designs for t...[Details]
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With the development of science and technology, electronic products emerge in endlessly, driving the development of the electronics industry and capacitors, such as capacitor varistors. Varistors a...[Details]
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According to Juheng.com, SHIELD held an earnings conference today (19th). Chief Financial Officer Zhang Jiaqi said that since the tight 8-inch production capacity will become the norm, and preparatio...[Details]
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China Energy Storage Network News:
On the morning of April 27, the 2017 Energy Internet Summit Forum was grandly held at the Shanghai Dragon Dream Hotel, hosted by Shanghai Ai Yi Business ...[Details]
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Analysis of LCD working principle:
1. LCD hardware architecture:
LCD hardware system: You can see that the LCD controller is in the ARM processor, and the LCD screen and p...[Details]
Making friends through disassembly
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