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With the development of electronic technology and the changes in circuit structure, the requirements for circuit measurement have become higher. In electronic production, it is found that the measur...[Details]
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At present, the inverter power supply powered by batteries generally consists of two stages. The front-stage DC/DC circuit converts the battery voltage into a DC voltage of about 350V, and the rea...[Details]
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Central topics: General Methods for Troubleshooting Digital Multimeters solution: Visual inspection Detect working voltage at each level Waveform analysis Measuring element parameters Eliminate inv...[Details]
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Thanks to the strong support of national policies, the new energy vehicle industry has a strong development momentum, and the market size of vehicle power products has also shown a rapid growth tre...[Details]
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Unlike the charging stations we see today, many of the ones in Utrecht not only charge electric cars, but also feed the power from the car's battery into the local utility grid for use in homes and...[Details]
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This article introduces an infrared lighting fill light system that uses a low-cost, high-efficiency boost power management chip CP2122B1 to drive an infrared emitting diode. Based on the characterist...[Details]
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The application of microcontrollers mentioned below is mainly in the field of home appliance control, which is my current job. Other applications are not within the scope of discussion. My knowledge i...[Details]
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The first circuit principle: The AC220V voltage is half-wave rectified by D3 and filtered by C1 to obtain a voltage of about +300V. One path is added to the switch tube Q2 c pole through the pri...[Details]
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On February 22, Yan Linsheng, member of the Party Committee, Minister of the Propaganda Department, and spokesperson of the Inner Mongolia Electric Power Group, introduced to the media the specific...[Details]
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Environmental noise monitoring is an important part of improving the quality of life and strengthening environmental protection. In the busy streets and residential areas of major cities, large env...[Details]
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1 Sensor network architecture
The architecture of a typical sensor network includes distributed sensor nodes, gateway nodes, the Internet, and user interfaces. In a sensor network, nodes are ar...[Details]
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According to DigiTimes, the first version of Apple's self-developed 5G modem (also known as baseband) does not support millimeter wave technology. This means that Apple may continue to rely on its ...[Details]
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I recently attended a local (Seattle) meeting of the IEEE Electromagnetic Compatibility (EMC) Society, which is not where I live but I highly recommend it to you, as you can learn more about the ba...[Details]
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On June 30, 2023, the inaugural meeting and the first plenary working meeting of the Shenzhen Energy Storage Standardization Technical Committee were successfully held at the Shenzhen Conventio...[Details]
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Recently, Wuhan Municipal Bureau of Economics and Information Technology announced the results of the 2024 unicorn enterprise certification. 44 enterprises in the city were selected, of which 31 were ...[Details]