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Write uboot to emmc and drive it through EMMC instead of booting with SD card only Before burning uboot, use the following command to view the EMMC card information and partition information: mmcinfo...[Details]
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On November 8, Li Donglin, deputy to the National People's Congress, secretary of the Party Committee and chairman of the company, met with Zeng Yuqun, chairman of Contemporary Amperex Technology C...[Details]
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With the rapid development of digital technology, various digital display screens have emerged, including LED, LCD, DLP, etc. There are various control systems for various digital large screens, in...[Details]
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——Notes on the 2019 Mid-Year Work Conference of State Grid Corporation of China
Text/Reporter Chen Junya
On July 15, State Grid Corporation of China held its 2019 mid-year work conference...[Details]
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The electric vehicle industry is booming, and in just a few years, its development speed has been as fast as a wild horse. However, for many European countries, insufficient battery production has...[Details]
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South Korea on Monday again asked Japan to lift export restrictions on chip and smartphone display manufacturing materials introduced last week and promised to help affected local companies, Reuters ...[Details]
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The previous article briefly described the writing of character device drivers, and implemented key drivers using character device drivers. However, except for the applications we wrote ourselves for ...[Details]
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According to the division of software and hardware in the development cycle , this paper introduces the process of calculating, processing and displaying the data collected by the ADU3600 board bas...[Details]
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Digital line D0 is connected to the data input (D) of the flip-flop. D1 shows the clock and D2 shows the Q output. At the same time, analog channels C1, C3, and C4 are connected to the same points. T...[Details]
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The output ripple of the switching power supply mainly comes from five aspects: input low-frequency ripple, high-frequency ripple, common-mode ripple noise caused by parasitic parameters, ultra-hig...[Details]
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According to foreign media MacRumors, Apple's vice president of product marketing Stan Ng and vice president of industrial design Evans Hankey were interviewed by HYPEBEAST and talked about th...[Details]
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1
Working Principle
Figure 1 System structure diagram
The temperature controller designed in this paper consists of three parts: temperature mo...[Details]
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The figure below is a conventional 4×4 keyboard circuit diagram. This kind of conventional matrix keyboard circuit is believed to be commonplace to everyone, and many people can write its driver pr...[Details]
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The Darlington tube is two transistors connected together, and the polarity is only recognized by the front transistor. The specific connection method is as follows. Take two transistors of the sa...[Details]
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According to foreign media reports, automotive electronics supplier REDTIGER announced the launch of the F77 dash cam, redefining video clarity and safety standards for drivers. The F77 is equipped...[Details]
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