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Switching power supply is one of the indispensable power supply methods for the rapid development of electronic information. With its advantages of low power consumption, high efficiency and signif...[Details]
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A display panel circuit designed for the interface between 74HC595 and AT89C2051 microcontroller. P115, P116, and P117 of port P1 are used to control the LED display and are connected to the SLCK, SC...[Details]
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Arithmetic and logical operations can be performed between binary numbers. The rules are simple and easy to implement.
(1) Addition rule
0 + 0 = 0 For example: 1 1 0 1
0 + 1 = 1 + 1 0 0 1...[Details]
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Recently, in response to foreign media reports that the U.S. Department of Commerce is considering expanding the ban on the sale of chip manufacturing equipment to Chinese companies, Tang Junjun, pre...[Details]
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According to foreign media reports, Huawei plans to nearly triple the number of employees in its Russian R&D center. By the end of 2019, Huawei plans to recruit 500 employees and more than 1,000 new ...[Details]
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The Hall effect of semiconductor materials is an important means of characterizing and analyzing semiconductor materials. The conductivity type of the material can be determined based on the sign of ...[Details]
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1. Change the rules When the system fails, you can tentatively change certain states, one parameter at a time. For example, to limit the problem of chromatographic peak de-dimensionalization, you can...[Details]
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Motors are widely used in all areas of people's work and life, such as printers, copiers, fax machines, projectors, refrigerators, washing machines, air conditioners, gas stoves, cameras, ATM machine...[Details]
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Amid the 5G dispute, some undercurrents may be more worthy of attention. According to media reports, in late July 2019, OPPO and Intel signed a patent transfer agreement, in which 58 core patents cov...[Details]
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IT Home learned that the Nubia Play mobile phone new product launch conference will be held at 19:00 on April 21. At that time, the Nubia Play 5G mobile phone will be officially unveiled. T...[Details]
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WitsView, the optoelectronics division of global market research firm TrendForce, and AVANTI, the consumer research division, conducted a survey on Chinese consumers' willingness to replace their LCD...[Details]
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Traffic control has always been a big problem in society. With the acceleration of the pace of society, efficiency has gradually become a key issue for people to consider. It is becoming more and m...[Details]
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According to the Securities Times, the progress of Prologix's new Taoke plant is ahead of schedule and is expected to start mass production in 2021. This progress is one year ahead of the planned mas...[Details]
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The most effective way to solder SMDs is drag soldering. If you are familiar with drag soldering, you can basically use a soldering iron + rosin to complete the soldering of all SMDs.
Before weldin...[Details]
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Tesla recently released an OTA upgrade package for firmware version V12.5.4.1, claiming that it had upgraded the vehicle's smart summon function, adding a remote driving function to it, allowing ca...[Details]
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