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【Abstract】This paper discusses the types of fault alarms, causes of fault alarms, and preventive measures that have occurred in the Nomi R21 automatic fire alarm system in Zhenhai Refining and Che...[Details]
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The main design scope of a shopping mall is mainly the traffic line area and service area, while the consumption area is usually designed by the tenants themselves under the restrictions of Party A...[Details]
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Since the successful trial production of my country's first general-purpose digital electronic computer in 1958, China's computer industry has gone through 60 years, accompanied by the arduous journe...[Details]
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Most of the automobile circuits are DC circuits. Their functions are: first, they can transmit and distribute electric energy to achieve mutual conversion with other forms of energy; second, they c...[Details]
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I’m in my senior year and will soon graduate, so I’d like to use this opening blog post to commemorate my lost college days!
In the engineering practice class, the teacher told us that w...[Details]
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RD-267 4.2W power supply design
based on
FSQ510
Fairchild's FSQ510 is a valley switching converter with low EMI and high efficiency. It integrates a 700V LDMOS power swi...[Details]
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The application and development speed of industrial robots
in China's manufacturing industry
ranks first in the world. In 2010,
the density of industrial
robots
in China's manufacturing...[Details]
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Karl Benz, who invented the car, probably never thought that batteries would be installed in future cars. His first Sanlu car had only an internal combustion engine as its power source, which could...[Details]
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I didn't expect the charging to be so fast. It can be fully charged in the time it takes to drink a cup of coffee. Zhang Xiang, a tourist who drove a new energy vehicle through Suqian City, Jiangsu Pr...[Details]
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It is understood that the US prosecutors are prosecuting Mao Bo (transliteration), currently an associate professor at Xiamen University, for fraud. The reason is that the United States believes that...[Details]
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Recently, Benyuan Quantum announced that it has officially completed a round A financing of several hundred million yuan, led by China Internet Investment Fund, and followed by well-known institution...[Details]
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// PS2 keyboard test program 3 (completes the basic functions of the keyboard, but does not implement the microcontroller sending commands to the keyboard to control the keyboard num and caps indicato...[Details]
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Nowadays, lidar has been widely used in many fields such as robotics, unmanned driving, AR/VR, 3D printing, etc. Depending on the application field, there are certain differences in the types of lida...[Details]
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Investigate how to buffer the FET turn-off voltage of the flyback converter.
Figure 1 shows the flyback converter power stage and primary MOSFET voltage waveforms. The converter stores energ...[Details]
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1. Because I accidentally failed to flash Android 2.3 with fastboot, the development board was bricked. Later, I flashed Android 4.0.4 back through USB with dnw tool. The summary is as follows:
...[Details]
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