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I. Overview
As the current commercial use of 3G-FOMA in Japan and the 3G trials in Europe have not achieved the expected results, the 3G plans of operators in various countries have been f...[Details]
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The minimum system of a single-chip microcomputer refers to the circuit system composed of the minimum devices required to make the single-chip microcomputer run. If the minimum system you build is u...[Details]
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At the end of 2019, a private power sales company in Zhejiang submitted a report on the current situation of the local power sales market and suggestions to the relevant competent authorities of Zh...[Details]
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An oscilloscope is an instrument that graphically displays the waveform of a signal changing over time. It is a comprehensive signal characteristics tester and a basic type of electronic measuring ins...[Details]
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According to official news from Meizu, the Flyme 8 trial version was updated today, adding new functions such as smart WeChat picture selection and volume adjustment, and making the alarm settings mo...[Details]
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(Image source: Tesla) As we all know, Tesla is in a leading position in the field of electric vehicles , and the range of its Model S, Model X and Model 3 models is also at the leading level in th...[Details]
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1. Control system
1. The whole screen is not lit or squares appear.
Is the control host turned on
? Is the communication line plugged in?
Is the sending card plugged in
? Is the...[Details]
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In practice, the MCU port must consider the debounce problem when connecting the switch device, or add a delay in the hardware, or add a software delay query function module. Here, we consider such a ...[Details]
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Leaker Sleepy Kuma cited Korean website Clien as saying that LG may not release a flagship phone equipped with Snapdragon 875 in the first half of 2021. The Snapdragon 875 is Qualcomm's fir...[Details]
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1 Introduction
There are five abnormal conditions of existing electronic ballasts, namely: the lamp is not connected; one of the cathodes of the lamp is damaged so that the lamp cannot be started; ...[Details]
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On January 24, according to Taiwan media Electronic Times, sources said that due to the continued increase in foundry quotations, UMC and Powerchip's revenue is expected to hit a record high in the f...[Details]
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Abstract: FIR digital filters are widely used in the field of real-time digital signal processing. This paper introduces the structure, characteristics and design method of FIR digital filters, and...[Details]
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TL494 is a voltage-driven pulse width modulator produced by TI. It can be used as a switching power supply circuit in monitors, computers and other systems. The output transistor of TL494 can be conn...[Details]
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The Marshall stability meter has a large graphic LCD screen that can directly display the stability value, flow value test data and curve, and test time. The Chinese character display shows the test ...[Details]
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Recently, we received an antique airbag controller removed from a BMW by a netizen. The 03-08-14 on the label may be the production date. Was it produced on August 14, 2003? According to relevant...[Details]