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When it comes to the IO pins of 51 single-chip microcomputers, many people will think of pull-up resistors. Among the problems related to single-chip microcomputers, many problems are also closely rel...[Details]
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A similar version of this article appeared in the October 2008 issue of Power Electronics Technology magazine.
Introduction
With a 1.2A current limit one would think that a circuit-protection...[Details]
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Faced with a fiercely competitive market, the instrumentation industry has also exposed many problems in the process of development, such as poor innovation capabilities, competition between Chinese ...[Details]
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At present, many of the electricity, water and natural gas meters of urban residents in my country are read manually, with meter readers checking various instruments one by one every month. Many are...[Details]
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The realization of low-voltage driven surface-emitting red EL elements not only reduces the size of the power supply, but also has a wide viewing angle due to surface emission. In the future, with th...[Details]
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With the continuous development and maturity of power supply technology, switching power supplies, as a small, light, high-frequency, high-efficiency power conversion device, are widely used in variou...[Details]
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1. Introduction
With the rapid development of automotive electronic technology, capacitive sensors are increasingly used in the automotive field. Capacitive sensors play an important role in a...[Details]
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Mobile phones are now the most commonly used electronic device for almost every one of us, and they have also become a high-incidence area for privacy leaks. In order to protect the privacy...[Details]
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Electric vehicles have developed very rapidly in recent years, and the supporting facilities of charging piles have followed closely behind. It is worth noting that due to large initial investment,...[Details]
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1. Non-isolated photovoltaic grid-connected inverter
1.1 Photovoltaic grid-connected power generation system
Photovoltaic power generation
Its contribution to world energy is increa...[Details]
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Ultra-thin laptop adapter circuit : 65W, 19.7V, 3.3A, 90–265 VAC input flyback power supply circuit
...[Details]
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Switch for light and dark activation combination
The two operational amplifiers configured in the bridge circuit are used to detect the high and low levels of brightness. Potentiometer R2 sets t...[Details]
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The development of mobile Internet requires the support of mobile power sources. In this field, the main technologies include thin-film battery technology, piezoelectric material technology, and wi...[Details]
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1. MCU internal resources STC89C52: 8K FLASH, 512 bytes RAM, 32 IO ports, 3 timers, 1 UART, 8 interrupt sources (1) Flash (hard disk) - program storage space - erase and write 100,000 times, data wil...[Details]
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OPPO and BYD signed a strategic cooperation agreement to explore new possibilities for the deep integration of mobile phones and automobiles.
The cooperation directions include in...[Details]
MCU
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