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A radioactivity detector is an instrument for detecting radioactive substances. It can be seen that radioactive substances are very harmful to people. So what is the role of a radioactivity detector? ...[Details]
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Definition of pointer: I conclude that a pointer is a variable used to store the address of a variable of a certain type. For example, unit8 * p = 0x5555 5555 Pointer p represents the ...[Details]
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In the previous section, S3C2440 transplanted uboot to support DM9000 and transplanted uboot to support the network card driver. This section cuts and modifies the uboot default parameters. Table o...[Details]
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While memory chips have recovered strongly, major chip companies in the automotive chip field have collectively encountered difficulties.
Recently, major automotive chip manufacturers su...[Details]
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In the 1980s, digital circuits developed rapidly, and their
test tools
, digital
oscilloscopes,
also sprang up like mushrooms after rain. Since digital oscilloscopes are much more e...[Details]
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After I started working, I switched from MCU to ARM. I used ADS1.2 compiler at first and used it for a while, because the old program of the project I took over was compiled with ADS, and most of the ...[Details]
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The figure shows the SC4910 controlling the secondary-side synchronous rectification circuit. This effect can be achieved by adjusting the delay time of the two synchronous drivers.
Figur...[Details]
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1 Introduction
In recent years, ARM has been used more and more widely in embedded devices. S3C44B0X is a microprocessor based on the ARM7 architecture produced by Samsung. uCLinux is an embed...[Details]
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The development of science and technology has enabled us to demonstrate unprecedented capabilities in the face of this epidemic. We have seen the construction of the Vulcan Mountain Hospital in 10 da...[Details]
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Lack of fusion (LOF) is a common defect in welds and is very harmful. It is usually not allowed in domestic and foreign steel structure standards. GB4730 is vague, and some foreign standards mention t...[Details]
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After using the STM32F103C8T6 pin assignment, I found that the PC13 14 15 pins were used. I searched online and found the following code. I found that PC13 can flash the LED, but PC14 PC15 can't. I r...[Details]
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Abstract: This paper proposes an implementation method of a DCS simulation system based on virtual machine technology, and describes the specific implementation method of the virtual controller and...[Details]
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What is IPC
Printed circuits began in the early 20th century. After World War II, the production of printed circuit boards in the United States developed further.
In September 1957, six p...[Details]
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Key points: • Snapdragon Spaces adds support for the innovative feature of Dual Render Fusion, allowing developers to seamlessly add head-mounted AR experiences to existing smartphone applications....[Details]
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The trade dispute between Japan and South Korea has been brewing recently. At about 9 o'clock last night, Samsung Electronics Vice Chairman Lee Jae-yong arrived in South Korea, ending his 6-day trip ...[Details]