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Abstract Stepper motor is a digital discrete motor, which is particularly suitable for digital discrete control. However, its mathematical model has the characteristics of high nonlinearity, and PI...[Details]
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S3C2440 has two PLLs (phase locked loops), one is MPLL and the other is UPLL. MPLL is used for CPU and other peripheral devices, and UPLL is used for USB. It is used to generate three frequencies: ...[Details]
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1 Introduction
With the development of computer network and communication technology, information security, intellectual property protection and identity authentication have become an importa...[Details]
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Photovoltaic inverter is a device that converts direct current into alternating current. Since solar cells and batteries are direct current power sources, and the load is an alternating current load, ...[Details]
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Since its launch in 1986, LabVIEW has been continuously improved and updated. It has developed from a simple data acquisition and instrument control tool to a graphical platform for scientific and t...[Details]
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On January 11, according to the Tianyancha App, on January 11, Huawei Technologies Co., Ltd. obtained a patent authorization for "a method and electronic device for photographing the moon", and...[Details]
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IC packaging and testing is the back-end process of IC product manufacturing, which refers to the process of processing the tested wafers into independent ICs according to product models and function...[Details]
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Introduction
With the rapid development of IT technology, single-chip microcomputer application systems have covered almost every corner of social life, from consumer electronics, communica...[Details]
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Course Project Topic: Traffic Lights
Course design task: Use the timer of the single-chip microcomputer to make the traffic lights at the intersection light up and go out alternately, and use LED ...[Details]
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The Galaxy S22 Ultra can be said to be the best of all Samsung mobile phones. Since its launch on February 9, its sales performance has exceeded the record once held by the Galaxy S8. At the same tim...[Details]
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Abstract: In the designed constant current source circuit of the anti-snoring device, the MCP41010 digital potentiometer is used to change the stimulation current of the constant current source on ...[Details]
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As the core energy storage unit of electric vehicles, the performance and life of power battery packs have an important impact on the driving range, charging speed and safety of electric vehicles. ...[Details]
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According to foreign media reports, a group of Korean researchers has developed a processing technology that can maximize the energy density of high-capacity batteries. A joint research team consisti...[Details]
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Alas, I don’t know if I forgot what I learned before or my foundation is not solid, I can’t even measure resistance today. In general development boards, it is very simple to use a multimeter to me...[Details]
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Urban rail transit is a complex system, in which the communication system that provides a transmission channel for information is an organic whole composed of many subsystems with different functio...[Details]
Embedded System
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