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1. Standard requirements for transmission overvoltage measurement of power transformers GIS uses transformer to transmit overvoltage test circuit as shown in Figure 1. Figure 1 GIS uses transformer...[Details]
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I did a button experiment today. The pin definition of the button in Qingfeng's source code seems to be wrong, and it is inconsistent with the development board schematic. The correct pin definitio...[Details]
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“We developed a steering reaction force simulation system with complex algorithms using NI CompactRIO hardware and NI LabVIEW software in just two months.”
challenge:
Develop a steering rea...[Details]
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A battery-powered portable wireless device presents a number of key issues that system designers must overcome. One of the most important is how to get the heat out of the device, since such devic...[Details]
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Through fault analysis of damaged current probes, it was found that the easily damaged probe parts are roughly as follows: 1. The cable is broken; 2. The circuit board connected to the current ...[Details]
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US media said that China has set up a new national semiconductor fund worth 204.15 billion yuan (about 28.9 billion US dollars). China is seeking to cultivate its own chip industry and narrow the tec...[Details]
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MMU, full name Memory Manage Unit, Chinese name - memory management unit.
Many years ago, when people were still using DOS or older operating systems, computer memory was very small, generally calcul...[Details]
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An oscilloscope is an electronic measuring instrument with a wide range of uses. It can transform invisible electrical signals into visible images, making it easier for people to study the changing p...[Details]
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LED lamps
are expected to replace traditional lamps and become the mainstream of new-generation street lamps
due to their advantages of power saving, energy conservation and environmental pr...[Details]
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This Spring Festival Gala, which has the highest AI content in history, has ended perfectly for a week.
Perhaps the high-tech Spring Festival Gala caught people's attention, and the ratings of...[Details]
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According to reports on July 7, Wu Kai, chief scientist of CATL, revealed at the 2023 China Automobile Forum held in Jiading, Shanghai that the new product being developed by CATL can run 400 kilomet...[Details]
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1. Experimental tasks
When the switch SP1 is pressed, the AT89S51 microcontroller generates a "ding dong" sound which is output from the P1.0 port to the LM386 and then sent to the speaker after be...[Details]
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MAX-710B is the first OTDR that draws on the design of tablet computers. It is small, lightweight, easy to carry and durable, and is suitable for field environments. It features the industry's most e...[Details]
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As a summary of the instruction system, Table 3-2 lists all the AT89S51 instruction mnemonics and brief descriptions of the functions, as well as the instruction length, execution time, and instruc...[Details]
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Recently, the 2.1MW/4.2MWh energy storage power station built by Hitech Smart Energy in Guangzhou City, Guangdong Province was successfully connected to the grid and put into operation. This en...[Details]