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The rapid development of the automobile industry has promoted the progress of global machinery, energy and other industries, as well as the development of economy, transportation and other aspect...[Details]
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The circuit composed of MAX9812+MAX4411 to amplify the microphone input signal
Figure 1. This headphone attenuator/amplifier features microphone monitoring to facilitate conversati...[Details]
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When working in wireless and communications, you will often encounter dBm, dBi, dBd, dB, and dBc. The following are explanations and experiences:
(Basic formulas: lg2=0.3010, lg3=0.4771, lg10=1, lg(a...[Details]
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As LEDs continue to improve in almost every aspect of performance and cost, LED lighting is being used in an increasingly wide range of applications, among which LED street lights are a focus of in...[Details]
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According to Jiwei.com, last month, the market reported that UMC will start a new round of price increases, ranging from 8% to 12%, effective from January 2022. According to the latest report from Ta...[Details]
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Looking at the materials in the drawer, I wanted to make something for fun. I originally wanted to make a 99-meter meter, but there were not enough key switches, so I changed it to a clock. Without f...[Details]
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With the continuous development of the power industry, there are many types of relay protection testers currently used in China. However, since the performance of the relay protection tester itself...[Details]
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According to foreign media reports, with the support of the German Microelectronics Research Factory (FMD), Fraunhofer scientists and their partners have developed a high-resolution wide-angle lidar ...[Details]
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1 Introduction With the rapid development of computer application technology, mobile storage devices have been widely used. CF (Com PAC t Flash) card was born in 1994 with its design concept ...[Details]
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Focusing on the three-part pure electric vehicle drive technology, the author is sorting out the key technologies in the development process of new energy powertrains to provide a theoretical basis...[Details]
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The so-called green LED lighting refers to lighting that saves energy, protects the environment, is beneficial to improving people's production, work, learning efficiency and quality of life, and p...[Details]
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Leeb hardness tester has been widely used in the detection of metal hardness due to its convenient portability, simple operation, rapid detection and accurate measurement. The relevant national depart...[Details]
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In many applications today, the required input voltage rating exceeds the VIN maximum rating of many existing DC/DC controllers. Traditional solutions include using expensive front-end protection or ...[Details]
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#include REG52.H
#define uint unsigned int
#define uchar unsigned char
uchar code DIS_SEG7 ={0xc0,0xf9,0xa4,0xb0,0x99,0x92,0x82,0xf8,0x80,0x90,0x88,0x83,0x...[Details]
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Abstract: Using Delphi to develop industrial control system software has become the choice of more and more developers, and serial communication is one of the problems that must be solved in this p...[Details]