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A variable frequency motor is a motor that can adjust its speed by changing the frequency of the power supply. Traditional AC motors usually adjust their speed by changing the voltage, but variable...[Details]
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Overview: This paper elaborates on the clock synchronization subdivision technology based on GPS timing to more accurately capture the moment when the sound wave signal arrives at each adjacent mon...[Details]
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To test the quality of infrared light-emitting diodes, you can use the same method to test the forward and reverse resistance of ordinary silicon diodes. Set the multimeter to R 100 or R 1K, co...[Details]
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On January 21, the Shanghai Securities Regulatory Bureau disclosed the basic information table of the coaching filing of Shanghai Generali Semiconductor Co., Ltd. (hereinafter referred to as "General...[Details]
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Currently, TSMC is building a new wafer factory Fab21 in Arizona, USA. It was originally planned that the first phase of the production line would be put into use in 2024, using the N4 and N5 series ...[Details]
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This speaker cable can use other high-quality coaxial cables, but they must be made of copper core and copper mesh. The copper mesh must be tightly woven, and the shielding layer is copper foil (i...[Details]
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What is Power Factor Correction (PFC)? Power factor refers to the relationship between effective power and total power consumption (apparent power), that is, the ratio of effective power divided ...[Details]
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Zos Automotive Research recently released the "2019-2020 Shared Mobility Industry and Autonomous Driving Application Trend Report", which shows the current status and trends of the shared mobility in...[Details]
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S3C2440 external interrupt operation When debugging the 2440 external interrupt in the past two days, I debugged it through jlink, but I couldn't get the interrupt. Because I have learned from many p...[Details]
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Yanding completed the A1 round of financing exceeding 100 million yuan, accelerating the layout of the full-stack self-developed imaging testing industry chain Yanding Information Technology Co., L...[Details]
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This article introduces the process of applying wireless network to the transformation of the automatic conveying system (circular self-propelled trolley) of the primer production line. After the tran...[Details]
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By using feedback nodes combined with FOR loops, we can sum the first 20 items of a sequence such as 2/1, 3/2, 5/3, 8/5... The front panel uses a chart to display the summation process, and uses a num...[Details]
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Cambrian (688256), a domestic AI chip unicorn that just went public on the Science and Technology Innovation Board on July 20, released its first semi-annual report after listing. The report shows th...[Details]
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Integrated circuits can be divided into three categories according to their functions and structures: analog integrated circuits, digital integrated circuits, and digital/analog hybrid integrated cir...[Details]
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Recently, Xinzhi Shuangtan Technology Co., Ltd., a subsidiary of Xingyuan Environment, signed a project energy management contract with Solar Energy Technology Co., Ltd., a subsidiary of Chint Grou...[Details]