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A 4*4 keyboard matrix can read keys by row-by-row scanning or full scanning. Row and column scan If the row and column lines are at a high level when unloaded after being driven, the method of row-by...[Details]
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"This is the third year that Bosch has organized the Geek Contest. The first two times were hosted by Bosch itself. This time we hope to organize this event for global hackers together with DoraHacks...[Details]
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Washing hands has always been an important way to prevent the spread of viruses, but with the COVID-19 pandemic, it's more important than ever to make handwashing a habit. However, establishing...[Details]
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OFweek Cup · OFweek 2023 China
Robot
Industry Annual Selection (abbreviated as OFweek Robot Awards 2023) is jointly organized by OFweek, China's high-tech industry portal, and its authorita...[Details]
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Photovoltaic grid-connected power generation is becoming more and more popular, and ordinary people can also see the presence of photovoltaic power stations in real time. However, for ordinary peop...[Details]
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At present, the discussion on 5G continues to ferment, among which there is a worrying problem of power consumption. Many people believe that 5G is faster than 4G and will inevitably consume more pow...[Details]
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At present, wired data transmission is basically used at oil field drilling sites across the country. Wired transmission has many disadvantages. On-site wiring is complicated and there are safety h...[Details]
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1 Introduction
In today's world, electronic technology is developing rapidly, and digitalization, networking, and informatization have affected people's clothing, food, housing, and transportation....[Details]
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The high-frequency head LNB (LOW NOISE BLOCk) is scientifically known as a high-frequency tuner, also known as a downconverter; it is composed of a low-noise amplifier LNA (LOWr Noise Amplifier) ...[Details]
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Can bad software code kill people? The answer is yes, and it has clearly happened.
Toyota Motor was recently involved in a lawsuit in the United States. The plaintiff's lawyers alleged that a 200...[Details]
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OFweek Cup 2022 China
Robot
Industry Annual Awards (abbreviated as OFweek Robot Awards 2022) is jointly organized by OFweek, China's high-tech industry portal, and its authoritative robo...[Details]
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71. The ripple of the switching power supply output voltage is an important indicator. How to use an oscilloscope correctly to measure this indicator?
A: Ripple is defined as a clutter signal contain...[Details]
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Gartner: Global device shipments are expected to fall 4% in 2023
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Device shipments fell for the second consecutive year
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PC shipments to fall 7% in 2023 after fall...[Details]
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A sudden epidemic has impacted all walks of life. The medical device industry has been the first to bear the brunt of this special battle and has attracted worldwide attention. The importance of high...[Details]
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1 Introduction The switching power supply is generally composed of a main power circuit, an auxiliary power supply and a control circuit. The main power circuit is mainly used to supply power to the...[Details]