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OI-916 portable cable comprehensive tester is a carefully developed testing equipment. Its excellent performance, simple and solid appearance and humanized operation mode bring great convenience to u...[Details]
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Abstract: The working principle of the single-stage flyback high power factor light emitting diode (LED) lighting driver power control chip MP4021 is analyzed. By comparing it with the traditional ...[Details]
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Renesas Electronics Corporation, a global supplier of advanced semiconductor solutions, announced that it has completed the integration of Integrated Device Technology, Inc. (formerly "IDT"), which i...[Details]
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In the video surveillance industry, infrared cameras play an irreplaceable role. Whether it is road traffic, corporate security or smart communities, they are indispensable. So what are the funct...[Details]
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August 24, 2021, Chongqing——The China-Shanghai Cooperation Organization Digital Economy Industry Forum and the 2021 China International Intelligent Industry Expo (CIIE) were recently held in Chongqin...[Details]
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Precautions for using a multimeter (1) Before using the multimeter, you should first perform "mechanical zero adjustment", that is, when there is no electricity to be measured, make the mult...[Details]
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With the improvement of LED material technology and process, LED has been widely used in many fields of social economy, especially in electronic display screens, and the market scale has increased ...[Details]
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Causes of water ingress to explosion-proof motors
The operator may not have been adequately trained, and flushing occurred while cleaning, causing water to enter some motors.
Treatment me...[Details]
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In 2020, "new infrastructure" became a hot word in China's economy. The central and local governments frequently "spoke out" and relevant policies were intensively introduced to guide and safeguard t...[Details]
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The PCB schematic is as follows. I remember it was drawn with protel at that time. The circuit schematic is as follows: Drawing software is the same as above Experiment reference C language code ...[Details]
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A three-coordinate measuring instrument is an instrument that can measure geometric shapes, lengths, and circumferential divisions within a hexahedral space. It is also called
a three-coordinate me...[Details]
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According to Jiwei.com, China hawks in the U.S. Congress urged the Biden administration to restrict the sale of chip manufacturing tools to Chinese companies, similar to the actions the United States...[Details]
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Recently, several leading U.S. photovoltaic companies, including SunPower, SolarCity, and SunEdison, have announced their entry into the grid energy storage market through acquisitions or independe...[Details]
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Personal Records:
I didn't expect that the stc microcontroller can run the system in addition to the bare board. I was a little surprised.
I remember that I first came into contact with rtx51 when ...[Details]
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With the continuous improvement of people's living standards and the development of intelligent home appliances, the smart home appliance market will continue to accelerate in the future, and t...[Details]
PCB Design
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