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Can you use a paragraph to explain the current situation of domestic power battery industry's external dependence? "The four main materials of positive electrode, negative electrode, electrolyte an...[Details]
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Power supply circuit used to drive the sensor bridge
Function of the circuit
The load sensor of the strain gauge must use a differential amplifier of about 1000 times because of its very low o...[Details]
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In September 2009, the U.S. National Institute of Standards and Technology (NIST) proposed a framework and roadmap for smart grid interoperability standards, identifying eight priority development ...[Details]
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7. Selection of output capacitor The output capacitor ripple mainly consists of two parts, one is the ripple caused by the capacitor ESR, and the other is the ripple generated by the capacitor. I...[Details]
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After studying for a while and having some experience, you will definitely feel unsatisfied. What's the point of lighting an LED? Can we do something more practical? Okay, let's do something more prac...[Details]
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017C (YB4242) dual-trace oscilloscope use
1. Experimental Purpose
Learn how to correctly use the YB4242 dual-trace oscilloscope, EM1635 function generator, and tube millivoltmeter.
2. Test Princip...[Details]
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Data Storage FormatsData storage formats This section describes the storage formats of the available data types. Cx51 provides several data storage formats as follows: Data Type Bits Bytes Value Ra...[Details]
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On April 2, Goodix Technology announced that its in-ear detection and touch 2-in-1 solution won the 2020 Edison Award. Goodix's GH61x series of in-ea...[Details]
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The supramarginal gyrus (orange) is an area of the brain associated with speech. Image source: Nature website
The brain science research team at the California Institute of Technolog...[Details]
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(1) Interruption process
Interrupt processing is used to achieve a quick response to special internal or external events. When the CPU detects an interrupt request, it immediately responds to ...[Details]
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The single-chip microcomputer P IC l6F72 is the mainstream control chip of the current battery vehicle controller. It is combined with two 74HC27 (3-input NOR gate circuit ); one 74HC04D ( i...[Details]
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Fault phenomenon Output level out of tolerance Testing process After testing, it was found that the output level of the instrument was below 3G, around 20G, the tolerance was large, and the amplifi...[Details]
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The fork function is used to create a child process. It is a typical function that is called once and returns twice. It returns the PID and 0 of the child process. The calling process returns the PID ...[Details]
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On May 11, the drone laser point cloud data collection project for 500 kV and above overhead transmission lines in the province, organized by the State Grid Jiangsu Electric Power UAV Inspection Op...[Details]
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High voltage solid state soft start cabinet is an electrical equipment widely used in the industrial field, mainly used for starting high voltage motors. It uses advanced power electronics technolo...[Details]
Automotive Electronics
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