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Market research firm TrendForce pointed out in its latest report that Samsung is currently affected by the lockdown in Xi'an mainly due to the difficulty in arranging manpower shifts. If the epidemic...[Details]
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What does lbs mean? Location Based Service (LBS) is a location-based service that obtains the location information (geographic coordinates, or geodetic coordinates) of mobile terminal users through t...[Details]
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Heap space and stack space configuration Stack Size, generally 0X400 is enough for small projects, and we set 0X1000 for comprehensive experiments, so there is no need to set it too large by defaul...[Details]
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Introduction
In data acquisition systems, the zero drift of the preamplifier is the main source of detection errors, especially under harsh environmental conditions. For example, the infrared...[Details]
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Line pre-drive circuit
The row drive tube generally works in a switch mode. There are two ways to drive the row output tube: one is to make the row output tube conduct, and the row dr...[Details]
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1. Application scope of steam flow meter CTLUGB series steam flowmeter uses steam flowmeter for measurement. It not only has the characteristics of traditional orifice plate, target type, vortex stre...[Details]
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2020 is coming to an end. Today, Yao Liang, general manager of Xiaomi China’s marketing department, reviewed Xiaomi’s 2020 flagship, the Xiaomi 10 series. Yao Liang said that on this day las...[Details]
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LED display screens
are divided into graphic
display screens
and video display screens, both of which
are composed of
LED
matrix blocks. Graphic display screens can
display
Chinese ...[Details]
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Introduction Nowadays, people pay more and more attention to the security alarm system, and people have higher and higher requirements for the functions and performance of the alarm. This paper pr...[Details]
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A tour of stepper motor operation
Zhishi Classroom has introduced the application, characteristics and working principle of stepper motors. Now you should be eager to try to make your stepper ...[Details]
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#include reg52.h #include "./delay/delay.h" #define SEGPORT P0 sbit start = P1^0; sbit end = P1^1; sbit seg_select = P2^1; sbit bit_select = P2^0; unsigned char flag = 1; un...[Details]
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The ADP1853 of ADI is a wide range input voltage DC/DC synchronous buck controller capable of running from commonly used 3.3 V to 12 V (up to 20 V), voltage tracking input, output voltage 0.6 V to 90%...[Details]
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Voice communication is indispensable in daily communication and in high-tech fields such as aviation and aerospace. According to the Nyquist theory, in order to reconstruct the voice signal without di...[Details]
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The basic principle of DDS is to use the sampling theorem to generate waveforms through table lookup. There are many types of DDS structures, and its basic circuit principle can be represented by F...[Details]
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1
Introduction
Since frequency signals have the advantages of strong anti-interference, easy transmission, and high measurement accuracy, many non-frequency sensor signals are co...[Details]
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