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Recently, Hurun Report released the "2020 Hurun China Top 10 Consumer Electronics Companies", in which Huawei became China's most valuable consumer electronics company with a value of 1.1 trillion yu...[Details]
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Zero-drift op amps use chopping, auto-zeroing, or a combination of these two techniques to remove unwanted low-frequency error sources such as offset and 1/f noise. Traditionally, these amplifiers ...[Details]
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LED display technology has evolved from monochrome displays in the early 1980s, to dual-primary-color displays in the late 1980s, to three-primary-color (full-color) displays in the mid-1990s, to t...[Details]
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Introduction to multiple background applications1
Use multiple backgrounds to implement the following functions: motor start/stop control and alarm output when the water level A/D conversion ...[Details]
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Inverters are needed in solar photovoltaic power generation, so what role do inverters play in photovoltaic power generation?
The inverter converts direct current (battery, storage bottle) int...[Details]
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As 2019 draws to a close, competition between China and the United States in the commercialization of autonomous driving has become increasingly fierce. California, which has the largest number of ...[Details]
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At present, most of the home alarm systems on the market realize the alarm function through telephone lines. When the telephone lines are maliciously cut, the system will lose the alarm function. I...[Details]
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The single-chip microcomputer controls the switching power supply. From the perspective of controlling the power supply output, there are several control methods.
One is that the single-chip microcom...[Details]
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Yang Yuanqing said that Lenovo has achieved nirvana and rebirth, and never thought of becoming BAT Lenovo, which has been caught in various public opinion whirlpools, is gradually recovering and tr...[Details]
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premise I think I am not a novice if I am doing IAP upgrade. The following program needs to use some simple functions Serial port sends and receives data Switch total interruption Although the t...[Details]
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The 51 MCU source code is as follows /* A single digital tube displays 0~F in a cycle */ #include reg51.h typedef unsigned char uint8; typedef unsigned int uint16; code uint8 LED_CODE = {0xC0,0xF...[Details]
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Recently, the Liaoning Provincial Development and Reform Commission issued an announcement on the public solicitation of opinions and suggestions on the "Liaoning Province 2022 Photovoltaic Power G...[Details]
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Recently, foreign media published a new mobile phone patent submitted by Hisense, which shows that Hisense smartphone is equipped with a professional camera lens. The device adopts a full-screen desi...[Details]
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How to use the voltage stabilizer 3-4
Regulator 3-4 is a MOS FET output regulator. As shown in the figure, the output current of regulator 3 can reach 50MA, and the output current of regulator 4...[Details]
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Smartphones are undoubtedly one of the most useful devices of the 21st century, but they still have one major flaw – battery life. We’ve all been there – you forget to charge your smartphone and only...[Details]
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