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Ultrasonic waves are mechanical waves with a frequency of more than 20KHz, and their propagation speed in the air is about 340 m/s (at 20°C). Ultrasonic waves can be generated by ultrasonic sensors....[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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Abstract: This paper designs a traffic intelligent control system with AT89C52 as the core. When the system works normally, the countdown for straight driving is set to 45s, the countdown for left ...[Details]
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4. Sewage treatment network control system
4.1 Hardware System Architecture
For sewage treatment plants, there are a large number of field devices such as sensors and controllers. They are us...[Details]
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Photovoltaic power generation systems use electronic components to convert solar energy into electrical energy. The inverter, as the core of the entire system, is usually divided into two categories:...[Details]
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1 Introduction Factory metrology departments, scientific research institutes, and university physics laboratories use function signal generators and counters for measurement, maintenance, experiments...[Details]
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On October 22, the 2021 Beijing International Microelectronics Symposium and IC WORLD Conference was officially held. The conference will last for three days from the 22nd to the 24th. The conference...[Details]
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In recent years, with the rapid development of control technology, computer technology and broadband network technology, the combined application of measurement and control technology and communica...[Details]
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MCS-51 uses Harvard structure, its program space and data space are separately addressed, that is, each has its own address space, and they do not overlap. So even if the address is the same, because...[Details]
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The TrendForce report pointed out that electric vehicles have become the main growth driver of the automotive industry in the future, and it is estimated that the number of electric vehicles will exc...[Details]
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Plug-in hybrid/electric vehicles (xEV) contain a high-voltage battery subsystem that can be charged using a built-in onboard charger (OBC) or an external charging station . Charging (application) r...[Details]
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Samsung has been sued in Europe for infringing patents for HEVC, a technology used to compress video in smartphones and 4K TVs, marking an escalation in a dispute over patent pools. According to eeNe...[Details]
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SDRAM Analysis 1. Clock enable signal CKE CKE is the master control switch of SDRAM. When it is low, all input signals including clock signals are blocked, and SDRAM enters a low power consum...[Details]
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The Japanese government announced on March 23 that it would lift export control measures for three types of semiconductor-related raw materials to South Korea. South Korea said it had withdrawn its p...[Details]
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The so-called applicability refers to the degree to which the UV-visible spectrophotometer can meet the requirements of use. The main content of the applicability of the UV-visible spectrophotometer...[Details]
Power technology
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