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1. Calculation and selection of the resistor (resistance) in series with the light-emitting diode. Generally, the normal light-emitting current of the light-emitting diode is 3~10mA, and the voltage d...[Details]
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Since the second half of 2018, some institutions have predicted that the global semiconductor industry will enter a downward cycle. Due to the Sino-US trade war, the Japan-Korea war, the decline in d...[Details]
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Better system performance can be achieved by using a single high-power, isolated DC-DC module to convert the 48V voltage to an intermediate power supply, such as 12V or lower. This intermediate vol...[Details]
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November 14, 2022, Durham, North Carolina, USA, Los Angeles, California, and Shanghai, China -- Wolfspeed , Inc. (NYSE: WOLF), the global leader in silicon carbide (SiC) technology , recently announ...[Details]
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China Energy Storage Network News:
In the spring of 2019, the proposal of "ubiquitous power Internet of Things" has guided the public opinion of the entire energy and power circle. People hav...[Details]
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Ever since Broadcom proposed a $130 billion acquisition offer to Qualcomm , it has caused a stir and attracted attention from all sides. On November 13, Qualcomm issued a statement to formally reje...[Details]
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Speech is the most commonly used communication method for humans, and it is also the most desired method for humans to communicate with computers. Therefore, using speech to communicate with comput...[Details]
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The WristMac, a predecessor to the Apple Watch that debuted in 1988, is expected to fetch between $25,000 and $50,000 at auction. The watch has never been worn and still comes in its original packagi...[Details]
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If the new four modernizations of automobiles, especially the development of intelligence, have paved a "highway" for the development of automotive electronics, then the rapid growth of automotive e...[Details]
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When installing Win7, the device manager shows an exclamation mark on the PCI serial port PCI simple communications controller. How to solve it? (The update methods for both drivers are the same)
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The circuit of the 15V/3.5A, 52W switching power supply composed of MC33374T/TV is shown in Figure 3. The allowable range of its AC input voltage u is 92V~276V. VD1~VD4 are rectifier bridges. The prim...[Details]
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According to market reports, Apple plans to launch a gaming PC next year, with a price tag of up to $5,000. This will be Apple's first foray into the gaming PC field. As it is a new product with a hi...[Details]
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As of 2019, Midea has sold more than 70 million smart home appliances worldwide, and more than 40 million users use Midea's smart home appliances and smart life services. In the era of the Internet...[Details]
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With the rapid development of surface mount technology, the future trend of printed circuit boards will inevitably move towards high-density packaging with fine lines, small holes, and multipl...[Details]
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The number of portable devices has exploded, and with the addition of many new features, there is an increasing number of portable devices with external speaker audio playback capabilities, such as M...[Details]
stm32/stm8
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