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Problem Description Sometimes when measuring a signal with an oscilloscope, even if the trigger level is adjusted to the middle of the signal, the waveform (trigger) will still shake. The following...[Details]
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According to MoneyDJ, Ericsson published a report on Monday stating that the number of 5G users is expected to grow from 13 million in 2019 to 2.6 billion in 2025, and 5G networks will cover 65% of t...[Details]
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OFweek Cup 2022 China
Robot
Industry Annual Awards (abbreviated as OFweek Robot Awards 2022) is jointly organized by OFweek, China's high-tech industry portal, and its authoritative robo...[Details]
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On March 12, the People's Government of Gongqingcheng City, Jiangxi Province and Jiangxi Shenghong Electronic Technology Co., Ltd. held a signing ceremony for the production project of precision part...[Details]
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The following DSP power-on boot debugging experience is based on the following premise:
MP/MC=0 mode is used, the bootloader solidified in ROM is used, and the flash is mapped in the data spac...[Details]
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The maintenance of instruments and meters is an integral part of the electronics market. Only by relying on good testing technology can instrument and meter companies ensure that those unqualified pr...[Details]
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Oscilloscope waveforms represent real electronic signals. When evaluating an oscilloscope's performance, you can look at its ability to display a waveform with the same shape as the target signal. As...[Details]
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With the continuous development of electronic information technology in society, people use more and more electrical appliances at home, and the potential safety hazards brought about by this have...[Details]
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On August 31, Huawei's Ark compiler was officially open sourced. What impact will this move have on Huawei and Google? Li Nan, former senior vice president of Meizu, answered this question on Zhihu. ...[Details]
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Metal Oxygen Varistor (MOV)
The variable resistor is connected across the live wire and the ground wire at the rear end of the fuse. Its operating principle is that when the voltage difference be...[Details]
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Electrocardiogram is an important means of diagnosing heart disease. However, due to various reasons, it is difficult to capture abnormal electrocardiograms with ordinary electrocardiographs. Although...[Details]
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On April 21, Beijing time, the news that Volkswagen Group will invest US$740 million to acquire 30% of the shares of Guoxuan High-tech, China's third largest power battery company, caused a sensation...[Details]
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The focus of this design is to collect the angle information of each joint through the acceleration sensor MMA7455, and control the operation of the stepper motor according to the obtained angle ...[Details]
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1. Block device structure
1. file_operations structure
Similar to the file_operations structure in character device drivers, there is also a file_operations structure in block device driv...[Details]
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On October 30, according to CCTV News, on October 29, local time, Hildegard Mueller, president of the German Association of the Automotive Industry, issued a statement strongly opposing the EU's im...[Details]