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Mechanical damage: 1. Before use, you must confirm that the wrench is a qualified wrench with a label or certificate. 2. Before use, you must check that the nuts of each part of the mechanical transm...[Details]
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Why can't I see the waveform or the waveform is distorted when I use an oscilloscope to observe the waveform of the crystal oscillator pin? Can't a 200M oscilloscope measure a 10M crystal oscillato...[Details]
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According to the latest research report released by Strategy Analytics, global wearable device sales are expected to grow from 384 million in 2019 to a record 527 million in 2020, a year-on-year incr...[Details]
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The wiring method of three-phase motors varies according to the motor type and operating voltage. Generally, there are two methods: star connection and triangle connection.
Star connecti...[Details]
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Noise is present in every electronic circuit and interferes with the signal sent from the transmitter to the receiver. Because these interferences can limit the overall performance of wireless system...[Details]
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At the beginning of this year, the COVID-19 outbreak first broke out in my country, causing all industries to stop working and suspend production. However, with the high level of prevention and contr...[Details]
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On May 10, according to the latest list published by the United States Patent and Trademark Office (USPTO), Apple recently obtained a new patent for a foldable mobile phone. The biggest highlight i...[Details]
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This article introduces the development process of the integrated DC insulation detection device tester, which can verify the set parameters of the DC insulation detection device of the substation, e...[Details]
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Reference http://blog.csdn.net/wince_man/article/details/6886685 http://blog.sina.com.cn/s/blog_8f396e3701010twv.html I used the method from the second link. I installed arm-linux-gcc3.4.1 on red...[Details]
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Development board: Friendlyarm mini2440, emulator: jlink v8, development environment: RealView mdk 4.54 Documents to read: S3C2440A_UserManual, mini2440 development manual, others Experimental go...[Details]
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According to phonearena, insider Evan Blass revealed that an official media rendering clearly shows the front panel design of Google Pixel 4. This leaked rendering reveals a "mysterious" date - ...[Details]
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Abstract: In order to solve the problem that the vehicle detection method based on background difference is easily affected by traffic conditions, an adaptive background model based on interval dis...[Details]
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Recently, SAJ Electric's 2KW, 3KW, and 5KW photovoltaic grid-connected inverters have successfully obtained Thailand's MEA grid access license. The models that passed this time are: Sununo-TL2K, ...[Details]
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When you run an app for the first time on an iPhone and some Android models, it asks for your permission before using your location data. One option is to only allow location services to be en...[Details]
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Motor variable frequency starting and soft starting are two different starting methods. They have obvious differences in the control method, starting performance, energy consumption, etc. of the mo...[Details]
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