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Yesterday, Xiaomi Product Director and MIUI Experience Manager @MIUI小凡 announced on Weibo that a new switch has been added to the last internal beta development version of MIUI10: a switch that turns...[Details]
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At present, there are two common methods for waveform synthesis technology. One is to use a dedicated DDS chip, and the other is a solution based on CPLD/FPGA. Although the dedicated DDS chip has many...[Details]
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Note: The machine cycle of a common M51 microcontroller = 12 clock cycles, and the machine cycle of f020 = clock cycle
For nop instructions, F020 is a clock cycle. For example, the f020 crystal is 22...[Details]
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Although high-power LEDs cannot replace traditional lighting fixtures on a large scale, they are increasingly widely used in indoor and outdoor decoration and special lighting. Therefore, mastering t...[Details]
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//This program is used to input the switch quantity and display it on the LED connected to port D. S1~S8 control Q1~Q8 respectively.
//The switch quantity is input through 74HC165 in SPI mode. ...[Details]
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The analysis and calculation methods of DC circuits and sinusoidal AC circuits have been introduced in detail in the previous chapters. When the excitation source of the circuit is a DC or sinusoid...[Details]
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1. Principle of S3C2410 input/output
Linux mainly has three types of drivers: character devices, block devices, and network devices. The drivers we generally write are character de...[Details]
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the difference The "source" of active and passive here refers to the "oscillation source", that is, the active buzzer has an oscillation source inside, and can make a sound as long as it is powered o...[Details]
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Allow customers to freely choose from a variety of clouds and provide customers with a consistent user experience NetApp, the global leader in hybrid cloud data management, announced new solution...[Details]
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one. environment Development board: jz2440 System: ubuntu12.04 Compiler: arm-linux-gcc two. UART Save first. three. Paste the code directly Makefile 1 objs := head.o ini...[Details]
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3.4PID parameter self-tuning In engineering control, PID parameter tuning is a time-consuming and laborious task. Even if you are experienced, it is not easy to do it. If the PID parameters can be ...[Details]
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On June 19-20, as one of the ten major events of the 2017 World Expo with the theme of "Energy of the Future", the World Science and Engineering Conference co-organized by the National Academy of S...[Details]
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With the rapid development of new energy vehicles in recent years, power batteries have become a hot topic. Currently, most new energy vehicles use lithium-ion batteries and fuel cells as their mai...[Details]
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Although the turbine flowmeter has high viscosity, is suitable for high-pressure measurement, does not need to open holes on the meter body, is easy to make into a high-pressure meter, has good repea...[Details]
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The problem of the servo drive not being enabled may cause the entire automation system to not work properly. In order to solve this problem, we need to analyze and troubleshoot from multiple aspec...[Details]
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