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Human lighting technology has developed for 135 years since the invention of the first light bulb. The types of light sources have also evolved from incandescent lamps, fluorescent lamps, gas disch...[Details]
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Abstract: This paper designs a
level shift circuit
for negative power supply
. It realizes the conversion from 0~8V low voltage logic input to 8~-100V high voltage drive output. Th...[Details]
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The diagram and program (partial) are all left by my predecessors. I have read them for a long time and tried many times, but now I am getting more and more confused. I don’t know what method the pr...[Details]
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Wedbush analyst Daniel Ives said in an investor note today that Apple will launch the iPhone 13 in the third week of September, and the high-end Pro model will offer a 1TB internal storage option. ...[Details]
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Currently, most LED lamps produced by LED manufacturers focus on appearance and heat dissipation. In fact, cost consideration should also be one of their important projects. Currently, the most cost-s...[Details]
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Recently, artificial intelligence ( AI ) company Cerence announced that it will carry out in-depth cooperation with Daimler AG to develop the MBUX in-vehicle infotainment system for Mercedes- Benz br...[Details]
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UART (Universal Asynchronous Receiver/Transmitter) is used for asynchronous communication and can achieve full-duplex transmission and reception. 2440 has three UARTs: UART0, UART1, and UART2. The st...[Details]
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China Energy Storage Network:
If mankind wants to move towards a more distant future, it is inseparable from the innovation and development of nuclear energy. When the concept of "fourth-gene...[Details]
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Ultrasonic nondestructive testing technology is a very important testing method for composite materials, and the testing frequency used is usually 0.5~25MHz. Ultrasonic pulses are emitted into the mat...[Details]
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Jiwei.com News: With the advent of the 5G era, the communication system has been upgraded, the frequency bands have increased, and the market demand for RF front-end is growing rapidly. As the most i...[Details]
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Since General Secretary Xi Jinping proposed to build a global energy internet and promote the development of clean energy at the UN Development Summit last September, the call for energy internet h...[Details]
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Recently, a new ASUS phone with model number ASUS_I003DD was registered with the Ministry of Industry and Information Technology. It is reported that the phone is the ROG gaming phone 3. Informatio...[Details]
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Before talking about Xiaomi’s first smartwatch, we would like to say a few words about the bumpy journey of this category in China. For domestic users, Samsung is the enlightenment of many people, bu...[Details]
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A timer is a relay that operates according to time, which is equivalent to a time relay in a relay control system. A timer can have many normally open contacts and normally closed contacts, and its...[Details]
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What are the components of an automotive motor controller?
The automotive motor controller is an important component that controls the operation of the automotive motor. It is usually composed...[Details]
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