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1. The P1, P2, and P3 ports of the 51 microcontroller have their own pull-up resistors. If the P0 port is to be used as an I/O port, a pull-up resistor must also be added.
2. If you use the I/O port ...[Details]
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/************************************************************ *51 MCU interrupt initialization and subroutine templates, almost including all the traditional 51 MCU interrupt *1, external interru...[Details]
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Combustible gases such as liquefied petroleum gas and coal gas often cause accidents such as poisoning and fire due to leakage. There are many types of existing flammable gas leak alarms, which...[Details]
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Finite state machines and their design techniques are important components in digital system design and an important way to achieve high-efficiency and high-reliability logic control. Most digital sys...[Details]
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Early this morning, Apple officially pushed the Beta 2 version of iOS/iPadOS 15.4 system. The new version was updated only a week ago. Let’s take a look at the new features implemented. NFC air pay...[Details]
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21. How does regeneration affect inverter performance?
The motor can become a generator and send power back to the main line whenever the rotor is spinning faster than the stator field. In thi...[Details]
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At present, two methods are generally used in the research and development of H.324 systems: one is to develop a pure software H.324 system, that is, a PC-based system; the other is to use a progra...[Details]
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In electronic measurement, it is necessary not only to collect and preprocess multi-channel signals with high precision, but also to quickly transmit them to the computer for easy monitoring of the...[Details]
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Electric vehicles have become the main means of transportation for citizens. According to official statistics, there are more than 250 million electric bicycles in China, with an annual output of 4...[Details]
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Two years after losing the title of India's top smartphone maker to Xiaomi India, Samsung has reclaimed the throne. Samsung smartphones accounted for 24% of the Indian smartphone market in the fourth...[Details]
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On August 30, Dongxu Optoelectronics released its 2021 semi-annual report, achieving revenue of 2.491 billion yuan, a year-on-year decrease of 10.11%; the net profit attributable to shareholders of t...[Details]
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Recently, Zhongying Electronics said in an institutional survey that the demand for mobile phone screens using AMOLED display driver chips has a clear growth trend, and the domestic market is expandi...[Details]
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The structure of a single-phase asynchronous motor
The single-phase asynchronous motor consists of two parts: the rotor and the stator.
Stator: The stator consists of an iron core a...[Details]
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Commvault (NASDAQ: CVLT), a recognized leader in software that manages data for global enterprise cloud and on-premises environments, today announced the appointment of Riccardo Di Blasio as Chief Re...[Details]
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November 14, 2024, Shanghai,
At present, the development trends such as miniaturization and new architecture of equipment are constantly driving the demand for new connection modes
. Theref...[Details]