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Whether the key is closed or not is reflected in the level of the port line, that is, whether the level of the port line is high or low. Therefore, it is possible to confirm whether the key is pressed...[Details]
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1. How to detect the quality of AC three-phase motor? 1. Use a megohmmeter (a 500V megohmmeter will do). If the insulation resistance of the wires on the three terminals to the motor housing is above...[Details]
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OFweek Cup · OFweek 2023 China
Robot
Industry Annual Selection (abbreviated as OFweek Robot Awards 2023) is jointly organized by OFweek, China's high-tech industry portal, and its authorita...[Details]
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This article is a follow-up article of "Proteus simulation of 51 water lights and dot matrix (heart shape)", the link above is: https://www.cnblogs.com/xing-2/p/11147890.html
The schemat...[Details]
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Establish a human communication channel model to understand frequency response and signal-to-noise ratio
In the human body communication system, data is transmitted through electrodes in the form...[Details]
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Given Apple's size, it applies for a large number of technical patents every year, most of which are for future development. It may take many years before they are applied to actual products, and many...[Details]
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PART1: Failure of peripheral circuit components
This type of failure often occurs after the PLC has been working for a certain period of time. If a component failure occurs in the PLC control ...[Details]
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September 25 news: Thanks to IT Home netizen @小洋帅三代 for the clue, the official version of WeChat 8.0.14 for Android has been released. According to the update log on WeChat's official website...[Details]
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There are many series in the STM32 family that support network communication, such as STM32F107. STM32 has a MAC inside, and only needs external PHY and network interface to complete network communica...[Details]
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NASA is studying the factors behind driver fatigue and how new automated technologies can both help and exacerbate the problem. According to the National Highway Traffic Safety Administration (NHTSA)...[Details]
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Three-in-one surface mount: refers to the synthesis of three light-emitting points encapsulated in the same point.
Three-in-one sub-surface mount: refers to three square lights arranged in a strai...[Details]
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Electric car owners in Sichuan, especially Chengdu, must have been having a hard time recently. The local power cuts in Sichuan have dealt a heavy blow to the confidence of electric car owners. Durin...[Details]
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S3C2410 is a cost-effective microprocessor launched by Samsung for embedded systems. It is a 16/32-bit RISC processor based on the ARM9TDMI core and operates at a main frequency of 200MHz. Since the ...[Details]
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When Google first launched smart glasses, they failed to become a mainstream product because many technical conditions were not yet mature. However, smart glasses did not disappear, but found a stage...[Details]
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This year's Zhuhai Air Show is very popular. As an excellent stage for my country's military industry to "show off its muscles", we will also have the opportunity to "take a glimpse" of some thin...[Details]
DSP and ARM Processors
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