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Before the advent of projectors, we mainly used slide projectors. In fact, today's projectors are also special forms of slide projectors. Some scholars have shown that the development of projectors...[Details]
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Theis a low voltage, single N-MOSFET high-side power switch, optimized for self-powered and bus- powered Universal Serial Bus (USB) applications. The RT9711 equipped with a charge pump circuitry ...[Details]
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0Introduction
In modern industrial measurement systems, the measurement of displacement and rotation speed is a key link. Although the early measurement systems were relatively matu...[Details]
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#include reg52.h
#define uint unsigned int
#define uchar unsigned char
sbit lw=P3^1;
sbit ld=P3^0;
fly duan ={0xc0,0xf9,0xa4,0xb0,0x99,0x92,0x82,0xf8,0x80,0x90};
ucha...[Details]
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Since 1978, Hill et al. in Canada first discovered the photosensitive phenomenon in germanium-doped quartz fiber and used the standing wave method to manufacture the world's first fiber Bragg gratin...[Details]
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According to foreign media reports, a film that emits light in interesting ways may be used to make road signs that glow and change color at night. Researchers said the technology could help people f...[Details]
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According to foreign media reports, u-blox recently announced a partnership with Cohda Wireless to provide advanced V2X solutions for the collaborative intelligent transportation market. Cohda's worl...[Details]
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XI’AN, China, May 13, 2021 — Micron Technology Inc., a leading provider of memory and storage solutions, today announced that it has become the chip sponsor of the 14th National Games of the People’s...[Details]
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Embattled Chinese electronics maker Huawei said it will invest 3 billion yen ($436 million) in the development of Arm-based server chips over the next five years. ...[Details]
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Because of the high speed, high synchronization and pure hardware characteristics of FPGA, it can well realize the synchronization of multiple axes and the generation of single axis arbitrary frequenc...[Details]
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In the past two hundred years, human beings have used coal, oil and natural gas as energy, which has increased productivity by nearly 200 times. However, fossil energy is gradually depleting, and pol...[Details]
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1. Table header The head of the multimeter is a sensitive ammeter. The dial on the head is printed with a variety of symbols, scales and values. The symbol A-V-Ω indicates that this meter is a multim...[Details]
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People want to live longer, but they don’t like getting older in the process. This is one of the great paradoxes of the aging process, but life expectancy is rising, and so are the health challenges ...[Details]
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In the ARM processor, the execution of the program is mainly controlled by 3 situations:
1. The program is executed in a pipeline manner. The value of PC is the address of the next instruction, tha...[Details]
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Portable gas detectors are the new favorite of gas detectors. With the continuous improvement of gas detection technology, portable gas detectors can be equipped with multiple gas (inorganic/organic...[Details]
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