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A complete speaker consists of several parts: speaker unit, frequency division network, and speaker box. We will discuss them in different categories. The first is the speaker unit. Basically, the ...[Details]
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NSS pin of STM First of all, we say that there are two levels of this pin that need to be paid attention to, one is the external level connected to the NSS pin, and the other is the internal ...[Details]
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js trigger chip introduction
7470 and input JK positive edge trigger (with set and clear terminals)
7472, 74H72, 74L72 and input JK master-slave flip-flop (with preset and clear term...[Details]
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From May 16 to June 1, Shanxi Electric Power explored the Zhejiang power transmission market for the first time, and transmitted 272 million kWh of electricity through the ±800 kV Yanhuai DC, achie...[Details]
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Introduction
Local error handling can be programmed independently or in conjunction with other code. To ensure that all errors in a program are identified, a combination of local error handlin...[Details]
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I believe many people have electric kettles at home.
Boil water with this electric kettle
Don't need to watch from the side
Automatically cut off power after water boils
Very co...[Details]
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Although Lei Jun and Dong Mingzhu failed in their first five-year bet, Lei Jun is confident that the second five-year bet will win. In an interview with the Chinese Entrepreneur Magazine program "He ...[Details]
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Human-machine interface (HMI) builds an interconnected bridge between people and plays an important role in the fields of medicine, healthcare, and medical. However, traditional HMIs are bulky, rig...[Details]
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A potentiometer is a resistor element with three terminals and whose resistance value can be adjusted according to a certain law of change. A potentiometer is usually composed of a resistor body an...[Details]
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1. Introduction
In household appliances or industrial control, it is often necessary to change the power supply frequency according to changes in environmental conditions in order to obtain th...[Details]
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The application of single-chip microcomputer in electronic products has become more and more extensive. Temperature detection and temperature control are also used in many electronic products. Howeve...[Details]
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With the development of optical fiber communication technology and the application of dense wavelength division multiplexing systems, optical networking has become a trend in network development. The...[Details]
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After passing through the tag and striking the surface, the terahertz waves are reflected or backscattered to the receiver for authentication. Image source: MIT According to a report on the officia...[Details]
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Jiwei.com reported on March 8 that ZTE Mobile announced today that it will soon launch a new S series of mobile phones. As a new series of ZTE mobile phones, the S series is positioned as "a trendy a...[Details]
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Today, let us walk into the production workshop of CATL and see how this battery cell, which is being fought over by Volkswagen, BMW and Mercedes-Benz, is manufactured.
A battery cell is...[Details]
Power technology
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