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On August 20, Huawei founder Ren Zhengfei, 74, was interviewed by the Associated Press at the tree-lined Huawei headquarters. Although the United States has announced that the (temporary license) can...[Details]
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R3EQU0X03PORT5EQU0X05PORT6EQU0X06R3EQU0X03KEY_STATUSEQU0X10; the lower half byte is the key mark, the upper half byte is the control mark SIGNAL_LOWEQU0X11; signal level low counter SIGNAL_HIGHEQU0X1...[Details]
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summary
This article will explore op amps suitable for electrochemical gas sensor applications such as ethanol and carbon monoxide (CO). It will also discuss the ampl...[Details]
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Using a linear regulator to convert voltage will face power consumption issues, while the switching method will have noise issues. The choice of conversion method for LED drivers depends on the app...[Details]
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The main component of this high quality 10W stereo amplifier circuit uses TDA 2009, which is a class AB audio amplifier. IC TDA 2009 is designed for high quality stereo applications such as HI-FI a...[Details]
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2019 is coming to an end. For automobile manufacturers, this year's automobile technology presents a situation of "a battle of gods". Whether it is automobile safety or charging technology, there ...[Details]
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Preface
At present, the color screen backlight of mobile phones mainly adopts
white light LED
(W
LED
). The function of WLED
driver
is to provide constant cur...[Details]
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1 System solution demonstration
1.1 Selection and demonstration of each module solution of the system
(1) Motor drive module. The L298 driver chip is used to form the drive circuit. The d...[Details]
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Motor reversal means that when the motor is working, it starts running in one direction, and after a certain control method, the direction of the motor rotation can be changed by changing the curre...[Details]
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Most computer devices have RS-232C interfaces, although its performance indicators are not very good. It still prevails with wide market support.
In terms of use, RS-232 does have its advantag...[Details]
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LM324 can be used with a single power supply or with positive and negative dual power supplies. For this circuit, we hope that it can output: 0~-5V, so we must add positive and negative dual power su...[Details]
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July 29 news Not every Exynos 990 chipset is the same. According to the latest information from Twitter whistleblower @TheGalox, the Exynos 990 chip that will be used in the upcoming Samsung G...[Details]
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Rohde & Schwarz is outstanding in RF. I personally think that Rohde's network analyzers, whether handheld or desktop, are easy to use. After using the instrument for a long time, it needs regular mai...[Details]
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iPhone 7 has become the little prince of flashing among Apple phones. Does this surprise everyone? According to foreign media reports, after reverse engineering by developers, iPhone 7 has su...[Details]
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Under the light of science and technology, the big model has floated from the palace of the cloud to the stage of the terminal. This historic leap not only gives data processing the wings of speed,...[Details]