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The use of ultrasonic flowmeters to measure flow began in 1928 and entered the practical stage in the 1970s, but was limited to measuring liquid flow, while gas flow measurement began in the 1990s. Co...[Details]
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The figure below is the schematic diagram of the peripheral circuit of the ranging alarm system. The peripheral circuit of the system includes power supply, reset, crystal oscillator, temperature mea...[Details]
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Core Tips: Photovoltaic people, Xiao Gu is calling you to inspect the inverter! Hello everyone, long time no see. As autumn and winter are coming, how to properly maintain our photovoltaic power st...[Details]
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Since the chip used by Tiny4412 is DDR3, I found a blog post on the Internet that introduces the principles of DDR3. Although many of the principles are the same, I still think that such information ...[Details]
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In recent years, electronic products such as mobile phones and laptops have been developing towards being lighter and thinner. Among them, the battery life of secondary (rechargeable) batteries has...[Details]
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Strictly speaking, this is not a new battery, but it is designed so that after the battery experiences thermal runaway, it will not catch fire or explode when viewed from outside the vehicle. Accor...[Details]
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It is the world's first mechanical watch driven by solar energy. It uses highly efficient silicon wafer solar lithium batteries as driving energy, and uses a new bracelet, journal, drum and vertica...[Details]
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On November 1, the 2023 Open Atomic School Source Tour (Chengdu Station) event, hosted by the Open Atomic Open Source Foundation and hosted by the University of Electronic Science and Technology of C...[Details]
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On June 21, at the Nanjing Innovative Entrepreneurs Breakfast, Ma Yonghao, deputy director of the Jiangsu Institute of Science and Technology Information, read out the "Nanjing Top 100 High-tech Ente...[Details]
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PA0～PA8: used as address lines, it is best not to use them PA9: Available if there is no need to expand the 32M memory (only for output) PB0～PB10: SDRAM interface and chip select line, it is be...[Details]
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This paper describes the causes and hazards of residual current, designs a set of intelligent leakage circuit breakers, and gives the hardware structure and software design. The test results show...[Details]
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GaAs photocathode is a negative electron affinity photocathode with the advantages of high quantum efficiency, concentrated energy and angle distribution of emitted electrons. Therefore, it has been...[Details]
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On October 31, the second phase demonstration project of the Three Gorges Energy Shandong Qingyun Energy Storage Power Station, the country's largest grid-side shared energy storage power station, ...[Details]
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Recently, I need to use an oscilloscope in the laboratory. Although it has some simple measurement functions, there are still many things I don't know as a novice. So I simply searched for in...[Details]
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The motion mode of ABB industrial robots is one of the key factors in their ability to perform tasks on automated production lines. This article will detail the various motion modes of ABB industri...[Details]
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