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Siemens S7-200 supports multiple communication modes, such as point-to-point interface (PPI), multi-point interface (MPI), Rrofibus DP, etc. PPI and other communication protocols are mainly used fo...[Details]
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Three-phase asynchronous faults generally include the following types, inter-turn short circuit, winding short circuit to ground, winding shell collision, inter-turn open circuit, winding burnt, etc....[Details]
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According to reports on the morning of October 26, Beijing time, sources revealed that Intel’s self-driving technology company “Mobileye Global” has raised a total of US$861 million in its initial pu...[Details]
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Recently, when studying the serial communication of STM32F4, I found some interesting phenomena, and I will record them here. I will not explain the specific steps of serial port configuration here...[Details]
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1 System solution analysis
According to the current domestic and international technical level, the queue management system can be divided into wired system and
wireless system
, an...[Details]
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To correctly calculate the serial port baud rate, we must first understand the working principle of the chip clock. This part is written in detail in the s3c2410/s3c2440datasheet, but for novices, it...[Details]
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The University of California, Irvine (UCI) and four national laboratories have devised a way to make lithium-ion battery cathodes without using cobalt, a mineral that is subject to price fluctuations...[Details]
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1. Adoption of standards The design of this multifunctional partial discharge tester (HDJF) adopts the following standards: GB/T 7354-2003 Partial discharge measurement; GB 4793.1-2007 Safety require...[Details]
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1. Introduction In recent years, with the gradual establishment of UHV power grid in China, Gas Insulated Switchgear (GIS) with SF6 gas as insulation medium has been widely used due to its compact s...[Details]
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The function of PORTB is basically ordinary IO, but it has other features that other pins do not have. When each pin of PORTB is used as an input, there is a weak pull-up available inside.
RB0 of ...[Details]
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On June 26, IT Home quoted Science and Technology Daily as saying that the Haihe Laboratory team of Tianjin University's Brain-Computer Interaction and Human-Computer Integration and teams from the...[Details]
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DC current probes are essential for oscilloscope measurements. First, the probe must have minimal impact on the probed circuit and maintain sufficient signal fidelity for the measured value. If the p...[Details]
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Although the micro linear guide has become smaller and more mini, its accuracy is not compromised at all! It still has the characteristics of strong rigidity and high precision! It has become an in...[Details]
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Causes of fire in generator slip ring
(1) During the operation of the unit, although the same type of carbon brushes are used, the contact resistance between the carbon brush and the slip ring...[Details]
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0 Preface
During the mining process of coal mines, a large amount of toxic and harmful gases and flammable gases, such as CH4, CO, and H2S, will be released. When these gases accumulate to a certai...[Details]
ST - Low Power RF
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