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//The driver code is as follows. The main device number is set to 232, which is suitable for GEC2410 sixteen-key matrix keyboard #include linux/config.h #include linux/module.h #include linux/kernel....[Details]
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GPIO GPIO (General Purpose Input/Output) is called general purpose I/O port in Chinese, or I/O port for short. GPIO has a wide range of uses, so that any microcontroller has a different number of I/O...[Details]
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On February 23, the "Airport Line" autonomous driving manned demonstration from Beijing Daxing International Airport to Beijing Yizhuang was officially launched, marking the official opening of the...[Details]
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Playing music with a single-chip microcomputer or playing the electronic keyboard actually outputs a series of square waves at a specific frequency. In order to output a suitable square wave, we shoul...[Details]
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With the improvement of living standards, people's consumption of resources is increasing, and the measurement, management and charging of resource consumption are becoming more and more complicated....[Details]
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With the widespread application of semiconductor materials such as silicon, people have begun to pay attention to more materials in order to make electronic products with higher cost performance and ...[Details]
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Use a multimeter to judge the quality of capacitors: Depending on the capacity of the electrolytic capacitor, the R 10, R 100, or R 1K range of the multimeter is usually selected for testing and judg...[Details]
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Women all like to have a pair of big, expressive eyes that flicker and sparkle. Women all like to have long eyelashes that set off bright eyes and make them look charming. Soomi Park has designed a s...[Details]
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Officials at the Federal Communications Commission (FCC), the agency responsible for spectrum allocation in the United States, reiterated today that 5G does not pose a health threat. The FCC said tha...[Details]
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1.
Model naming method of resistors and potentiometers
Table 1
Resistor model naming method
Part 1: Subject
Part II: Materials
Part III: ...[Details]
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When I was using Keil4.60 to write the 51 timer interrupt processing function, I encountered such a tangled problem, that is, I defined a global variable temp. Once the timer interrupt is triggered a...[Details]
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Although the US ban on Huawei was political from the beginning, using the unconvincing name of "national security", in May this year, Huawei and its 70 branches were included in the so-called Entity ...[Details]
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If you had a dream one day, in which your phone was cast a magic spell, and then this phone began to become "different": you used it for a whole day, and the battery level only dropped from 100% to 8...[Details]
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Whether it is software-defined cars, distributed ECUs or adaptive Autosar, they are inseparable from the basic technology of the smart car era, automotive Ethernet. For hardware engineers, automoti...[Details]
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With this combination of punches, Intel's ambition to regain the high ground in the chip field is obvious. Starting from the world's first microprocessor, Intel has created many miracles in the semic...[Details]