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Since we mentioned LCD, the first thing we must understand is its types. CD (liquid crystal display) is a display that uses liquid crystal to control transmittance counting to achieve color. Compared...[Details]
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Capacitance tester, as the name implies, is an instrument for testing capacitance. So what characteristics does the capacitance tester show during use? What are the main parameters of the capacitance ...[Details]
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Based on the derived transmission matrix of wave propagation in multilayer media under cylindrical coordinates, the ultrasonic wheel transducer was developed by selecting appropriate materials and par...[Details]
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On the afternoon of January 13, it was reported online that Canon issued an announcement that its Zhuhai factory had closed down due to the epidemic. Sina Digital asked Canon, but the company ha...[Details]
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1. AM Circuit AM circuit is to add the modulating signal and the carrier signal to a nonlinear element (such as a crystal diode or a transistor) at the same time, transform them into new frequency co...[Details]
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Experiment name: LED running water lamp experiment wiring instructions: Experimental phenomenon: After downloading the program, the D1-D8 indicators of the "LED module" light up left and right. Notes...[Details]
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Voltwerk Electronics GmbH of Germany announced that its 200 kW, 300 kW and 350 kW photovoltaic inverters have met the certification standards and are suitable for use in power plants according to t...[Details]
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In the United States, 95% of new cars have automatic transmissions, and the figure in Canada is slightly lower than that in the United States. It can be seen that people no longer favor manu...[Details]
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0 Introduction
Profibus is an open standard that has nothing to do with manufacturers and has no intellectual property protection. Therefore, anyone in the world can obtain the standard an...[Details]
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Recently, there have been rumors that Huawei's mobile phones can no longer hold on. Similar to the sale of Honor, Huawei's mobile phones will be sold to an enterprise led by the State-owned Assets Su...[Details]
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With the progress of society and the development of industrial technology, many products have stricter requirements on temperature range, especially in industrial development, such as metallurgy, s...[Details]
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Recently, a topic called #Forget to unplug the charger and burn down the house# has attracted the attention of netizens. Nowadays, the charging power of mobile phones is getting higher and higher. It...[Details]
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On the morning of November 17, at an investor event early this morning, Qualcomm Chief Financial Officer Akash Palkhiwala said that Qualcomm expects to supply only 20% of Apple's modem chips in ...[Details]
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Following the launch of mainland China's first wireless routing chip SF16A18 at the end of 2018, Sichang Communication released solutions including smart speakers, smart home gateways, dual-band rout...[Details]
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Hardware platform: S3C6410
Operating system: Ubuntu, Windows
Board system: Android
Development tools: jdk, ndk, eclipse
本次測试从linux内核模块编译開始。以S3C6410的pwm驱动...[Details]