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A logic analyzer is an instrument that uses a clock to collect and display digital signals from a test device. Its main function is to determine the timing. Unlike an oscilloscope, a logic analy...[Details]
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introduction
Solar photovoltaic power generation systems have been around for many years, but due to their high initial investment, they have not been widely used in building lighting syst...[Details]
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1. Introduction At present, most of the operating power supply systems of power plants and substations use DC power supply. The DC power supply system is a very important secondary equipment in powe...[Details]
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0 Introduction
With the continuous development of multimedia and network technology, how to effectively use channel bandwidth when transmitting image or video information has become one of...[Details]
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Abstract: AD7740 is a CMOS low-power single-channel single-terminal synchronous voltage-frequency conversion chip. It has two modes: buffered and non-buffered. The operating range is wide, the r...[Details]
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According to Jiwei.com on November 30, Xiaomi sounded the rallying call to impact the high-end market this year. As the Xiaomi 10 series and Xiaomi 10 Ultra Commemorative Edition achieved good result...[Details]
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The mains power supply monitoring circuit is shown in Figure 1.
In the figure, the different lighting conditions of the neon tube can be used to alert people to three situations: normal ...[Details]
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There are 14 laws in audio technology. Do you know what they are?
1. Subjective feeling in frequency domain
The most important subjective feeling in the frequency domain is pitch. Like loudne...[Details]
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Apple just said at a press conference when introducing its new AirTag product that iOS 14.5 and iPadOS 14.5 will be released "next week." According to Apple, iOS 14.5 and iPadOS 14.5 will be the mi...[Details]
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Everybody wants it, but not everybody can afford it. A netizen who graduated from National Taiwan University shared his interview experience in both the north and south. He used to be too ambitious a...[Details]
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According to incomplete statistics from the International Energy Network/PV Headlines (PV-2005) based on public information, from November 20 to December 31, about 68 inverter bidding projects were...[Details]
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1. Change the sampling ratio to adjust the output voltage range
In the sampling circuit, connect the potentiometer RW, as shown in Figure Z0722.
When
R
W is adjusted, the output voltage ...[Details]
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1. System architecture: 2. Clock Tree: STM32 has 5 clock sources: HSI, HSE, LSI, LSE, and PLL. ①. HSI is a high-speed internal clock, RC oscillator, with a frequency of 8MHz and low accu...[Details]
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1. Selection of pointer meter and digital meter: 1. The reading accuracy of the pointer meter is poor, but the process of the pointer swinging is more intuitive, and the swing speed and amplitude can...[Details]
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Hardware Connection: Code: #include reg52.h #include intrins.h #define uchar unsigned char #define uint unsigned int uchar Count; sbit Dot = P0^7; uchar code DSY_CODE = { 0x3f,0x06,0x5b,0x4f...[Details]