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The constant temperature control of electric heating water bath has the characteristics of unidirectional heating, large inertia, large hysteresis, time-varying, and reliance on natural cooling of ...[Details]
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When driving at night, are you dazzled by the high beams of oncoming vehicles? Do you subconsciously close your eyes when you see the high beams of vehicles behind you shining on your rearview mirror...[Details]
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It is estimated that everyone has used 51 single-chip microcomputer, which can operate the first IO of P1 port individually. However, STM32 does not allow this. In order to be able to operate a certa...[Details]
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昨天,OPPO在上海发布Reno系列第二款产品,但Reno2并没有5G版本。在媒体采访环节,沈义人回答了这个问题。 沈义人表示,OPPO作为终端厂商希望和运营商的伙伴并行,在最恰当的时候推出最恰当的产品。OPPO在5G方面的积累,在以终端为主营业务的厂商当中,应该是实力最强,现在是箭在弦上,OPPO就等着最合适的发令枪。 沈义人还透露,未来头部研发的竞争更多是研发实力的比拼和技术壁垒、品牌打...[Details]
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Tianyancha information shows that Tencent Technology (Shenzhen) Co., Ltd. recently disclosed a number of blockchain-related patents. Image source: Tianyancha One of them is titled "Testing method...[Details]
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There are two ways to turn off a thyristor: one is well known, that is, when the anode potential of the thyristor is lower than the cathode potential or the anode current is less than the holding curr...[Details]
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Electronic circuits usually operate with positive regulated output voltages, which are usually provided by buck regulators. If a negative output voltage is also required, the same buck controller can...[Details]
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#include iom16v.h #include macros.h #define uchar unsigned char #define uint unsigned int #pragma interrupt_handler exter1:3 void delay(uint x) { uint y,z; for(y=x;y 0;y--) ...[Details]
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Liquid level sensor is a commonly used measuring instrument, which is widely used in many industries such as industry, chemical industry, machine tool, electronics and electric power. Summer is coming...[Details]
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Apple recently shared two iPhone 13 ads, highlighting key features such as battery life and durable screens. In the first ad, titled "Doin' Laps," a kid places his iPhone 13 on a bike and cruises...[Details]
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On December 14, according to Tech Planet, an insider revealed that Feng Yufei, vice president of vivo and head of iQOO, has resigned. Moreover, the "iQOO Brand General Manager" certification on Feng ...[Details]
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Digital oscilloscopes (DSOs) have many distinct advantages over analog oscilloscopes. Digital oscilloscopes can sample, digitize, and store waveforms, helping you measure, analyze, and archive signal...[Details]
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(Image source: University of Maryland) According to foreign media reports, a group of computer scientists at the University of Maryland have adopted a new type of computer "memory" that is expec...[Details]
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The communication protocol is the "rule" that the fire alarm system must follow to complete information transmission, confirmation and response. Only by relying on perfect and reasonable standards ...[Details]
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This article explores how to optimize the performance of large databases and proposes several strategies for optimizing database access performance, especially for effectively analyzing and design...[Details]