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The charge polarity demonstrator introduced in this example uses light-emitting diodes to demonstrate the positive and negative polarities of charges, and can be used for physics teaching in middl...[Details]
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We encounter some common problems because the manufacturer chose a low-priced steam vortex flowmeter at that time, which led to a series of problems. We have a famous saying in measurement: it is bett...[Details]
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Preface: With the further development of 5G applications, intelligent connected cars will become the largest mobile terminals, and V2X is a crucial part of realizing intelligent driving. Recently, ...[Details]
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Industry rectification eliminates outdated production capacity. According to the environmental governance data of key industries of the Ministry of Environmental Protection, as of December 2012, th...[Details]
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Venture capital promotes technological progress
The
fifth round of funds established, with a total amount of 250 million euros
Dr
. Stefan Hartung, Cha...[Details]
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There are many random numbers in the application of single-chip microcomputers. Of course, there are many ways to generate random numbers. One of them is to use the single-chip microcomputer timer to...[Details]
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1. Problem description: Use STM32CubeMX to configure the FATFS file system based on the SD card, and read and write test files. 2. Test preparation: (1) Test environment: Software platform: STM32Cu...[Details]
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As open-loop and closed-loop Class D amplifiers become the preferred choice for designers of consumer audio electronics, different ways of looking at the effects of power supply ripple are needed to a...[Details]
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On September 17, Jucan Optoelectronics Technology Co., Ltd. (stock code: 300708, stock abbreviation: Jucan Optoelectronics) held the third extraordinary general meeting of shareholders in 2021, and r...[Details]
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If you think about it, if you were to use one hand to grasp a heavy object, like a heavy pipe wrench, you'd probably use your entire fingers to grip the wrench, not just your fingertips. Sensory re...[Details]
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The previous two articles talked about calling uart_register_driver and uart_add_port to register the UART driver and add the port when the module is initialized, and calling uart_unregister_driver a...[Details]
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As efficiency requirements continue to grow, many power supply manufacturers are turning their attention to bridgeless power factor correction (PFC) topologies. Generally speaking, bridgeless PFC can...[Details]
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1. The internal circuit structure of a certain bit of the P1 port is shown in the figure below. Among the P0, P1, P2, and P3 ports of the 51 single-chip microcomputer, the P1 port has the sim...[Details]
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Chapter 1 Overview The LED dot matrix display screen extracts the Chinese character fonts to be displayed through a PC and sends them to the microcontroller, and then displays them on the dot matrix ...[Details]
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In automotive power systems, damage to DC-DC converters can be caused by a variety of factors. However, one of the main reasons is that the residual voltage of the surge TVS (overvoltage protector)...[Details]
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