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Some insulating objects (such as plastics, porcelain, etc.) can reach a stable value in an instant under the action of DC voltage. However, for electrical equipment such as generators, transformers, m...[Details]
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Troubleshooting Fault handling is a subset of exceptions. Faults are mainly caused by the following methods: Bus errors: including instruction and interrupt vector table loading and data access Inter...[Details]
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In March of this year, Yu Chengdong really wanted to use "Huawei" as the core and flex his muscles under the Wenjie brand, but the result was half success and half failure. Huawei still has the Wen...[Details]
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1. Change the startup file to the corresponding capacity. 2. Select the chip model in Device. 3. Change the FLSAH in the Preprocessor Symbols in C/C++ to the size suitable for your process...[Details]
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The Cortex-M3 is different from other ARM series processors in that its memory mapping table is fixed during kernel design and cannot be changed by chip manufacturers. Cortex-M3 has pre...[Details]
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The problem of surface damage detection
Accurate and rapid detection of surface defects of parts is directly related to product quality. If unqualified products are not removed in time, it wi...[Details]
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NTN has expanded the types of EV (electric vehicle) drive devices it is developing. In addition to the in-wheel motors for ordinary models that have been announced, in-wheel motors for ultra-compac...[Details]
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Adding Zener diode in parallel to stabilize the voltage circuit
Keep the above circuit unchanged, add a voltage stabilizing diode circuit (510Ω, VDz) behind the capacitor, and connect according to ...[Details]
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Introduction With the development of society, taxis have become a very convenient and common means of transportation in people's lives, but taxi meters are relatively backward. In the past, taxis u...[Details]
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According to foreign media MacRumors, in the latest research report of Haitong International Securities, analyst Jeff Pu said that there are 4 models of iPhone 14, two of which Pro models will have...[Details]
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The computer power supply is the power station of the computer. Some unscrupulous merchants will buy cheap power supplies to reduce the cost of the chassis. The price difference of just a few doze...[Details]
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Building integrated photovoltaics (BIPV) is a new concept in the application of solar power generation. Simply put, it is to install solar photovoltaic arrays on the outer surface of the building's...[Details]
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The normal operation of many hardware requires the support of bus clock, such as LCD, I2C and other devices. This article analyzes the bus clock of s3c2440 and the related operations of s3c2440 bus c...[Details]
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First, about the video:
For movies, DVD-NTSC uses the "2:3 Pull-Up" method when storing videos, converting 24-frame videos into 30-frame videos, but the playback time of 24-frame videos and conve...[Details]
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After several years of rapid development, the market for standard-definition products has gradually matured in
China's
digital TV
industry. Some consumer groups are no longer satisfie...[Details]
PCB Design
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