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Common cathode digital tube code table:
0x3f , 0x06 , 0x5b , 0x4f ,0x66 , 0x6d ,
0 1 2 3 4 5
0x7d , 0x07 , 0x7f , 0x6f , 0x77 , 0x7c ,
6 7 8 9 A B
0x39, 0x5e, 0x79, 0x71, 0x00
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The Challenge:
The operating modal analysis (OMA) of rotating machinery has always been a difficult problem due to the lack of white noise as excitation and the aliasing of multiple harmonics ...[Details]
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Rumors about an Xbox streaming "TV stick" have been circulating for years, but a new report from a Microsoft insider provides some fresh details. IT Home learned that Xbox Cloud Gaming alread...[Details]
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For more information about A/D conversion and XPT2046 chip, please refer to: https://blog.csdn.net/cax1165/article/details/87024388 #include reg52.h #include XPT2046.h sbit LSA=P2^2; sbit LSB=P...[Details]
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After more than a decade of rapid development, the photovoltaic industry has become an important part of my country's energy. Various innovative technologies are changing with each passing day, pushin...[Details]
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The National VI Automobile Emission Standard is well known to everyone. It is the sixth stage of the national motor vehicle pollutant emission standard. It aims to reduce the pollution of the envir...[Details]
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After studying microcontrollers for so long, I feel that if I want to go deeper, I have to learn assembly language, or at least understand the internal structure of the microcontroller. Below, I wi...[Details]
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According to news on November 9, four years after the launch of the Raspberry Pi 4 single-board computer, the Raspberry Pi 5 was officially released at the end of October. Compared with the previous...[Details]
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The Redmi Note 8 series will be released tomorrow. As the official has exposed the appearance pictures of the series, we have some understanding of their appearance and configuration: four rear camer...[Details]
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On June 15, when answering questions from investors, Saiwei Semiconductor stated that the company has been providing process development and wafer manufacturing services for MEMS components of lens ...[Details]
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Timer 1 is a 16-bit timer with timer/counter/pulse width modulation functions. It has 3 individually programmable input capture/output comparison channels, each of which can be used as a PWM output o...[Details]
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On November 7, Avita will release its second model, Avita 12, on November 10. The car is the first model equipped with Huawei Hongmeng Cockpit 4.0. Officials said that the Hongmeng Cockpit develope...[Details]
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In the technical fields of modern electronic measurement, radar, communication systems, electronic countermeasures, etc., signal sources with multiple modes with wide frequency range, high resoluti...[Details]
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1. Three elements of interference
In a single-chip microcomputer application system or other electronic equipment, the degree of interference a circuit is subject to is described by the following for...[Details]
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As the basis of power batteries, new energy vehicle cells determine the performance of the entire battery system, whether in terms of structural form such as cylindrical, square shell, soft pack, o...[Details]
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