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GB/T6451-1999 stipulates: "For transformers of 1600 kVA and below , the DC resistance unbalance rate is 4% for phase and 2% for line; for transformers of 2000 kVA and above , the DC resistance unba...[Details]
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The phase sequence of a stepper motor is usually distinguished by the color and length of its lead wires. If you cannot find the manual or the markings are unclear, you can use the following method t...[Details]
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In 2010, global mobile data consumption increased by 2.6 times. This is the third consecutive year that mobile data usage has increased by nearly 3 times. By 2015, global mobile data traffic is expect...[Details]
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What is FFT on an oscilloscope? With a digital oscilloscope, our processing of waveforms is no longer simple. We no longer just look at the waveforms and are no longer satisfied with just measuring ...[Details]
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Recently, the International
Federation
of Robotics
(IFR) released its latest report, saying that as American manufacturers invest heavily in automation,
the total installation of
industri...[Details]
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introduction Laser display is a display technology that uses red, green, and blue (RGB) three-primary color lasers as light sources. It can reproduce the rich and gorgeous colors of the objective...[Details]
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After the U.S. stock market closed on March 1, 2021, NIO released its fourth quarter and full year 2020 financial report. Revenue in the fourth quarter of 2020 was RMB 6.64 billion, a month-on-mont...[Details]
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I saw a good post, and I would like to add some more ideas based on it!
There is a good post. Considering the accuracy, the research result is:
void delay2(unsigned char i)
{
while(-i);
}
is the...[Details]
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Soitec, a global leader in the design and production of innovative semiconductor materials, announced a strategic collaboration with Mersen, a global expert in power and advanced materials, to jointl...[Details]
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According to a paper published in Nature Medicine on the 7th, researchers from the Massachusetts Institute of Technology and the Dana-Farber Cancer Institute have developed a new method that makes it...[Details]
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LED romantic night lights are always essential mini appliances for girls' rooms. Who says engineers don't understand romance? These creative ideas are made by engineers themselves. Why not take a loo...[Details]
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1 Introduction
With the rapid development of integrated circuit technology, new remote controls based on various chips continue to emerge. The central control components of remote control devi...[Details]
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On June 1, 2010, the Ministry of Finance, the Ministry of Science and Technology, the Ministry of Industry and Information Technology, and the National Development and Reform Commission jointly iss...[Details]
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Use TMR0 to implement timing query. It can be implemented on any PIC with interrupt. This method can be used to expand multiple serial ports. ;|------------------------------------------------------...[Details]
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ARM system clock initialization:
This requires knowing what is a clock pulse signal, what is a clock frequency, and what is a clock source.
Clock pulse signal:
Clock pulse ...[Details]
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