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No need to pull the switch, just pinch the rubber ball (airbag) with a mouth to control the "on" and "off" of household appliances, achieving the purpose of voice control of household appliances. ...[Details]
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Recently, JinkoSolar announced that it will provide 4.82MWh of SunTera liquid-cooled energy storage system products for Nigeria SOLARMATE Engineering Co., Ltd.
This project is a continuation o...[Details]
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IEC 61800-5-2 is an industrial standard that covers functional safety of variable speed drives. In practice, it tells you how to build safe motor control circuits. In this blog, I will discuss an e...[Details]
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What happens when a single-phase motor reverses?
Single-phase motor reversal may be caused by a variety of reasons, including the following common situations:
Incorrect wiring of th...[Details]
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Theodolites are divided into vernier theodolites, optical theodolites and electronic theodolites according to the different scales and reading methods of the dial. At present, optical theodolites and...[Details]
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What is a maglev train?
Maglev trains are a new type of transportation consisting of contactless electromagnetic suspension, guidance and drive systems. Maglev trains are divided into two ...[Details]
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Today, my friend circle was flooded with messages saying that SAIC, Zhangjiang Hi-Tech and Hengxu Capital jointly invested 5.399 billion, 1.8 billion and 10 million yuan to establish Shanghai Yuanjie...[Details]
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Today, power supply designers are faced with many challenges, not only to achieve higher energy efficiency goals, but also to meet the requirements of faster product launch. In terms of achieving h...[Details]
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Magnetic resonance imaging (MRI) was invented in the early 1970s and first used on humans in 1977. It quickly became one of the most powerful and commonly used methods for disease diagnosis. Statisti...[Details]
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China Energy Storage Network
: In the era of "digitalization + renewable energy", how can energy and power companies prepare for the rainy day and seize the initiative? Under the goal of "car...[Details]
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To meet the requirements of cost, power consumption and manufacturing process, we propose the following four transmission circuit architectures: polar feedback (Polar Feedback) "Lite", polar feedba...[Details]
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The resistance range of the multimeter is generally R×100 or R×1K. For PnP transistors, the black meter pen is connected to the e pole and the red meter pen is connected to the c pole. For NPN tr...[Details]
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Who, How and Why?
These three points are often the greatest pleasure of a detective novel. At the end of the novel, the author will ask who the murderer is and predict the murderer, br...[Details]
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Let's first talk about the detection process of LED energy-saving lamps.
First, we need to rule out false faults. After turning off the lights, the energy-saving lamp flashes intermittently, w...[Details]
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In today's rapidly developing scientific and technological field, image sensors are core components of technologies such as machine vision and autonomous driving, and their performance is directly ...[Details]
Analog electronics
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