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In PWM and electronic ballast, half-bridge circuit plays an important role. Half-bridge circuit consists of two power switching devices, which are connected together in the form of totem poles and ...[Details]
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Toxic milk powder, clenbuterol, plasticizers... In recent years, food "poisoning" incidents have occurred frequently, and food safety has become one of the focuses of public attention. Therefore, food...[Details]
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Abstract: Square wave driven brushless DC motors are widely used in electric vehicle controllers due to their large torque and reliable operation. The biggest disadvantage of square wave drive is t...[Details]
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1. μC/OS-Ⅱ Overview Most of the work of porting μC/OS-Ⅱ to a specific processor is focused on the implementation of multi-task switching. This part of the code is mainly used to save and restore the ...[Details]
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NO1. Background
How should the TV/film industry face these challenges?
The film/TV industry is adopting new 8K and 4K video formats, and in order to support these video stream...[Details]
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According to Counterpoint Research's October report on the Indian mobile phone market, Realme surpassed Samsung with an 18% market share, becoming the second largest smartphone brand in India. The ...[Details]
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I believe many of my friends have used mobile phones and pagers. In just a few decades, mobile communication networks have ushered in an era of rapid development. From paging, phone calls, and text m...[Details]
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3. Sensor circuit board design and wiring
a. The circuit design can be based on the sample circuit in the IC specification sheet.
b. A voltage regulator IC must be used to ensure that...[Details]
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On October 23, Bloomberg reported today that Arm plans to cancel the license that allows its long-term partner Qualcomm to use Arm intellectual property to design chips.
Documents obtained by ...[Details]
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I believe everyone has seen a digital tube. There are seven strokes abcdefg on the digital tube, which form the word "日", and usually there is a decimal point dp. Digital tubes come in different size...[Details]
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On November 5, the first new intelligent distribution transformer terminal of State Grid Sichuan Electric Power Company was installed and put into use in the 10kV Siyan Road Languang Bimanting fron...[Details]
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When learning C language, the classic hello world program is implemented by printf function. With this function, you can print data to the screen at will. In embedded systems, printf function can als...[Details]
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1. Communication Measurement Process The measured parameters in communication measurements are roughly divided into two categories (active parameters and passive parameters), and there are two corres...[Details]
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1 Basic understanding of permanent magnet brushless motor
1. What is a permanent magnet brushless motor?
Permanent magnet brushless motors can be roughly divided into two types: permanent...[Details]
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Starting in the first quarter, we will have the first round of flagship devices for next year, including the OnePlus 9 series from OnePlus. As usual, we will definitely have the OnePlus 9 and O...[Details]
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