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This article introduces the role of NTC PTC thermistors in power circuits in the form of questions and answers.
Question 1: What is the main function of NTC resistors in series in AC circu...[Details]
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Design a traffic light signal controller based on a single-chip microcomputer. It is known that there are three lights in red, yellow and green in the four directions of east, west, south and nort...[Details]
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Squirrel cage motor forward and reverse control circuit diagram
By swapping any two wires connecting the motor to the power supply, the motor can be reversed.
Two contactors are nee...[Details]
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On October 14, Guanghong Technology stated on the investor interaction platform that with the introduction of customers such as Xiaomi and Honor and the increase in orders, the company's capacity uti...[Details]
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In September, Banco de Chile, one of the country's most important banks, allowed its customers to add credit cards to the iPhone's Wallet app to use Apple Pay. Days later, the bank removed the featur...[Details]
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1. Install the mscomm32.ocx control
1. Copy mscomm32.ocx to windowssystem32
2. Registration
2. Introduce mscomm32.ocx under c++builder
Select the menu component- Import ActiveX Control,
...[Details]
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1 Introduction With the rapid development of modern graphics acquisition technology, the speed of various graphics acquisition cards based on ISA, PCI, USB1.1 and other buses can no longer meet...[Details]
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In the National College Student Intelligent Car Competition, there is a traditional racing guidance mode, which is to use electromagnetic wire to guide the car model to run. The signal source drives ...[Details]
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At this Chengdu Auto Show, many domestic automakers launched hybrid models, trying to seize the public opinion and open up new sales growth points with new products and technologies. For example, the...[Details]
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The U.S. Patent and Trademark Office published a patent application from Apple relating to an updated version of the Apple Pencil that can be connected to an iPad Pro for charging. Apple's invention ...[Details]
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Phase shifters are widely used in various circuits, but due to the deviation in the amplifier and the tolerance of the capacitors, it is usually difficult to achieve the precise phase shift require...[Details]
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1. Introduction TMR0 Timer In fact, the TMR0 timer has a wide range of applications. Few programs do not use it. It is very convenient and can be easily used to write programs or subroutines that gen...[Details]
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0 Introduction
With the development of science and technology, many emerging industries have put forward higher requirements for the environment: the manufacture of large-scale integrated circuits r...[Details]
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After experiencing rapid development in 2005, LCD technology has entered a new field. Response time, contrast, brightness, viewing angle... have all reached a new level, but there is also an obvious ...[Details]
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Introduction to the principle of frequency converter: Frequency converter is an electric energy control device that uses the on-off function of power semiconductor devices to convert industrial f...[Details]
Motor Drive Control（Motor Control）
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