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Recently, there has been new progress in the 5G patent war between Ericsson and Apple. Apple has filed a counterclaim against Ericsson, accusing Ericsson of using a "hardball strategy" in the negotia...[Details]
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Today, Google released a new security bulletin, and the Android system has received two security patches, 2020-07-01 and 2020-07-05, both of which address tricky security vulnerabilities. According...[Details]
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3.6 Matrix Keyboard 3.6.1 Schematic diagram of matrix keyboard To use the matrix keyboard, you need to connect JP4 to JP8 (P1) and disconnect the JP165 jumper cap (otherwise the rightmost row of the ...[Details]
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According to news on March 13, according to the official website of the Korean government, Samsung Electronics' DS Division and the Korean District Heating Corporation signed a memorandum of understa...[Details]
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The 2020 Honor Life store in Shenyang opened. In an interview with the media after the press conference, Honor President Zhao Ming said that Honor will launch large-screen mobile phone products in 20...[Details]
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With the popularity of megapixel cameras in recent years, the demand for megapixel lenses has also increased accordingly. In addition to the traditional transportation field, other emerging indus...[Details]
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Multiple diodes take the current indicator light
This indicator light is shown in Figure 4-40 (c). Here, three silicon rectifier diodes VD2~VD4 of the same model and specification ...[Details]
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In order to accelerate the rapid development of the photovoltaic industry in Sangzhuzi District, Shigatse City, on June 15, Shandong Shuifa Group Xingye Company and Shigatse Langming Solar Technolo...[Details]
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The design adopts multiple filtering measures and twisted pair output mode to effectively reduce the output voltage ripple and improve the output quality of the power supply; it has perfect self-pr...[Details]
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Now everyone uses S52, why use C2051! The price is similar. But the size of C2051 is much smaller than S51 and S52, and it has only 20 pins. In some simple controls, these pins are enough, and the sma...[Details]
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In the production and debugging workshop of some
RF
products,
the
RF interference signals in certain frequency bands in space may affect production and debugging. Therefore, it is n...[Details]
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Application technology丨Automobile electronic suspension system and related components
Application field: Intelligent chassis
Uniq...[Details]
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1. Overheating
Overheating is the biggest culprit for motor failure. In fact, the other four reasons listed in this article are on the list in part because they generate heat. In theory, the l...[Details]
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Gas chromatograph is becoming more and more popular and widely used as an efficient, fast and highly sensitive analytical instrument. With the advent of the information age, the gas chromatograph is ...[Details]
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0 Introduction
In the field of HVAC, with the development of testing technology and the continuous improvement of testing requirements, some high-precision temperature and humidity test instrum...[Details]
PCB Design
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