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LED dot matrix display is a simple Chinese character display, which is cheap, easy to control, and has a long service life. It can be widely used in various public places, such as stations, docks...[Details]
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Air negative oxygen ion tester content standard. Air negative oxygen ion tester is a high-precision, professional air negative ion detection and analysis instrument. It adopts an advanced cylindrica...[Details]
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As a value-added service of GSM, short message service (SMS) has been widely used in remote intelligent control systems. The remote home appliance control system based on GSM short messages overcom...[Details]
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When you get a transistor, the first thing to do is to measure the transistor so as to distinguish the two-stage position of the transistor. The most commonly used method for measuring transistors ...[Details]
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An oscilloscope is an essential device for engineers. Just like the development of smartphones in the past decade, oscilloscopes are moving from pure button-based control to touch-screen control,...[Details]
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According to a report by the U.S. investigative news website The Interceptor on July 21, multiple U.S. federal and military agencies were found to have purchased equipment from sanctioned Chinese com...[Details]
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1 Introduction
The DC power supply of power plants and substations is a very large multi-branch power supply network as the security power supply and control signal power supply of the main e...[Details]
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Product introduction: CA6150 is a simplified model of CA6160, which can perform withstand voltage tests and insulation resistance tests on household appliances, power tools, industrial machine tools ...[Details]
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The industry's expectations for the release of iPhone 11 next week have "cooled down", but foreign media Consumer Tech is very optimistic about the 2020 iPhone 5G new product, believing that it will ...[Details]
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At present, the earth's oil resources are becoming increasingly scarce. In order to ensure the convenience of human travel, major automobile manufacturers have developed new energy vehicles. Toyota...[Details]
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In recent years, with the development of industrial technology, the technology of new energy vehicles has become more and more mature. Driven by the external and internal environment, the market si...[Details]
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1. Introduction:
The application of single-chip microcomputers in the field of industrial control is different from that in the civil and commercial fields. The environment in which industrial c...[Details]
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0 Introduction Gas flow standard devices are flow standard devices that can provide accurate value transfer for various types of gas flow meters. According to their working principles, they are mainl...[Details]
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Ammeter, also known as "ampere meter", is an electrical instrument that measures the current in a circuit. Ammeters can be divided into three categories: AC ammeter, DC ammeter and AC/DC energy meter...[Details]
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On October 26, the JinkoSolar Hainan 200,000-kilowatt integrated source-grid-load-storage project undertaken by China Energy Construction Jiangsu Electric Power Construction No. 1 Company was conne...[Details]
DIY/Open Source Hardware
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