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On February 23, 2021 MWC Shanghai officially opened. This is the first time that GSMA has re-held the MWC offline exhibition event while the global epidemic is still ongoing. It has attracted much at...[Details]
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Transformer Guide A transformer is a device that uses the principle of electromagnetic induction to change AC voltage. Its main functions include: voltage conversion, current conversion, impedance ...[Details]
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The following information is collected from the Internet about the USB transmission byte problem (from computer00) The USB endpoint buffer of STM32 is not fixed, but is set by registers. In my progr...[Details]
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EPS emergency power supply, in the setting of power grid, generally adopts self-contained diesel generator set as the second power supply, which can generally bear the first and second level power ...[Details]
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The report predicts that the NB-IoT chip market size will be US$272 million in 2019, and in the next five years, the market size will exceed US$2 billion, reaching US$2.002 billion in 2024, with a co...[Details]
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I have always felt that NI is disgusting, and I feel even more disgusted recently. They know how to cheat people out of money. I spent 2 weeks trying to figure out its damn data format, and when I ask...[Details]
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Last week, vivo officially confirmed its upcoming vivo X Note premium flagship, which will be released on April 11.
According to a report by MySmartPrice, the device has been spotted on ...[Details]
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The magnetization process of the iron core by DC pulses is similar to the charging and discharging of a capacitor, except that there is residual magnetism in the iron core after the current di...[Details]
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Experiment name: ADC analog-to-digital conversion experiment - Photoresistor AD acquisition wiring description: Experimental phenomenon: After downloading the program, the digital tube displays the A...[Details]
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1 Introduction
With the advancement of industrial automation and the improvement of enterprise informatization, the distributed monitoring system with decentralized monitoring work and central...[Details]
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In today's hot factory automation, motor drive, grid infrastructure and electric vehicle applications, voltages can easily reach hundreds or even thousands of volts. Electrical isolation is essenti...[Details]
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Friends who have visited home appliance stores must have seen more and more LED LCD TVs in the black appliance counters. Some friends may ask, hasn’t liquid crystal been called LCD all along, then wh...[Details]
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With the widespread adoption of color displays in the portable market (such as mobile phones, PDAs, and ultra-small PCs), a white backlight or sidelight is needed for a monochrome LCD illumination. ...[Details]
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Amid calls for "Tesla to appear at the 315 Gala", Tesla did not show up at the party after all. Some professionals analyzed that although there have been many incidents of suspected Tesla brake failu...[Details]
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On October 24, 2024, WPG Holdings, a leading international semiconductor component distributor dedicated to the Asia-Pacific market,
announced that its subsidiary Youshang has launched a 30kW V...[Details]
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