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According to the Taiwan Business Times, the 5G modem chip that Apple has invested a lot of resources in research and development is expected to be introduced into the iPhone 16 series of mobile phone...[Details]
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Informatization, symbolized by the information highway, has become a major trend in social development and is gradually becoming a reality. Informatization is based on digitalization, and digital s...[Details]
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Google Pixel 3/XL has been released for more than 3 years. According to the plan, the phones will stop receiving major system updates and security patch updates. According to 9to5Google, the tw...[Details]
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1. Startup Process Description Let's talk about the startup process. The first source is to turn on the power. I believe everyone knows this. After the CPU is powered on, the SP pointer points to 0x...[Details]
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Flat wire motor is actually a kind of square wire motor, but the shape of the wire is changed from round to square, the circles are in line contact, and the squares are in surface contact, which ef...[Details]
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This application note describes a simple method of using an external analog voltage to change the resistance of a digital potentiometer. A Microchip PIC12F683 microcontroller is used to convert the a...[Details]
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By Colin Craig, ON Semiconductor Mark Twain once wrote, “The coldest winter I ever spent was a summer in San Francisco,” but for a desert dweller in sun-baked Phoenix, cool summers are almost impos...[Details]
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Power down mode is also sleep mode, and the status bit PD is cleared; adding sleep() to the program can make the IC enter sleep mode.
In sleep mode, if watchdog is enabled, it will continue to work a...[Details]
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On August 7, State Grid Shanghai Electric Power Company successfully completed the city's largest virtual power plant rapid peak shaving capability verification since the peak summer, with the maximum...[Details]
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According to foreign media reports, researchers at the Vienna University of Technology (TU Wien) have developed an ultra-high-speed image sensor with a built-in neural network. After training, the se...[Details]
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1. The source code of the assembly language is as follows:
ORG 0000H; This assembly program implements the marquee experiment
JMP START
ORG 0200H
DELAY:MOV R1,#50; Delay program, delay 0.5 seco...[Details]
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A Bode plot with three poles and one zero will be used to analyze the gain and phase margin. Assuming a DC gain of 80dB, the first pole occurs at 100Hz. At this frequency, the slope of the gai...[Details]
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#include pic.h __CONFIG(0x1832); //Chip configuration word, watchdog off, power-on delay on, power-off detection off, low voltage programming off, encryption, 4M crystal HS oscillation #d...[Details]
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Semiconductor laser
refers to a laser that uses semiconductor materials as working materials. Its driving methods mainly include PN junction injection. The commonly used and mature semicond...[Details]
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The last line after startup prompts can't access tty, job control turned off, which means that the console cannot be entered. The reason is that there is a problem in the /etc/inittab file
Sol...[Details]
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