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O Introduction
Brushless DC motors have the advantages of simple structure, reliable operation, and easy maintenance of AC motors, as well as high efficiency and good speed regulation performa...[Details]
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Capacitors are an essential component found in almost all electrical equipment. Leakage resistance is one of the many electrical characteristics that capacitors are tested for. Leakage resistance is o...[Details]
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1. Determination of
STM32 ADC sampling frequency 1. :
First look at some information to determine the ADC clock:
(1) The ADCCLK clock provided by the clock controller is synchr...[Details]
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Digital multimeters are now very popular measurement tools. They are easy to use and accurate, and are loved by maintenance personnel and electronic enthusiasts. But some friends say that they are no...[Details]
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1. Cortex-M3 memory map The first 1GB of the storage area is divided into code area and SRAM area. The code area is connected using the optimized I-Code bus. Similarly, the SRAM area is connected u...[Details]
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The electromagnetic compatibility of basic automobiles has good professional regulations in all test systems, and the completion standards of the corresponding tests are relatively sound, which can...[Details]
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Three-way speakers
Three-way speakers are generally divided into speakers with more than three units, including tweeters, mid-range units and woofers. There is a crossover inside the box, whic...[Details]
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With the development of physical fitness testing in China, the requirements for physical fitness testing technology are getting higher and higher. At present, mechanical testers are widely used in ...[Details]
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According to Japanese media reports, NEC will support the UK's development of 5G mobile networks after Huawei is excluded. The British government announced in July this year that it would ban H...[Details]
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Abstract: A novel multi-channel output isolation drive circuit is presented. It uses a distributed current source power supply method to solve the difficulties of multi-channel isolation output, re...[Details]
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Hall magnetic sensors have been used in electronic systems for decades. The original application of Hall sensors provided the most basic switching functions. For example, when you close the lid of a ...[Details]
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Preface As development progresses, research on assembly instructions also needs to continue, mainly analyzing assembly examples and explaining the instructions in detail. Then, a very serious quest...[Details]
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In Century Square on Nanjing East Road, the most prosperous area in Shanghai, there is a building full of futuristic technology. It is the first hydrogen vision hall in China built by Hyundai Motor -...[Details]
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Effective use of network storage technology is an important part of any data storage management strategy. Relying solely on hard disks, JBODs and other types of local storage is not enough to protect...[Details]
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Wireless Sensor Network (WSN) is a multi-hop self-organizing network system composed of a large number of cheap micro sensor nodes deployed in the monitoring area through wireless communication. It...[Details]
Power technology
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