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This article gives a detailed introduction to zero-crossing detection in bidirectional thyristors, and explains the circuit of zero-crossing detection and the two-point voltage output waveform respect...[Details]
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introduction
Based on GPS satellite positioning technology, the dynamic position (including longitude and latitude), time, status and other information of the mobile target can be transmit...[Details]
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1.1 Test principle The limiting oxygen index tester mixes O2 and N2 and measures the lowest oxygen concentration (molar concentration) required to maintain the combustion of the sample. This instrume...[Details]
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Shunhe Hui Autonomous District organized an expert demonstration meeting of Henan All-vanadium Liquid Flow Industry Research Institute. In order to implement the innovation-driven strategy and enhance...[Details]
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Autonomous driving is a technology that integrates perception, decision-making, and interaction.
Environmental perception is the first step in autonomous driving and is the link between the ve...[Details]
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On May 31, Hisense Home Appliances issued an announcement stating that it had officially completed the equity transfer procedures for the acquisition of Japan's Sanden Holdings Co., Ltd. (hereinafter...[Details]
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/****************************************************** ******************************* I2C.H Standard 80C51 simulated I2C bus program header file ******************************************...[Details]
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Today, Ni Fei, President of ZTE Corporation's Terminal Business Unit and President of Nubia Technologies Co., Ltd., announced on Weibo that the world's first mobile phone with under-screen camera, ZT...[Details]
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Any TFT-LCD panel requires at least one properly adjusted VCOM signal to provide a reference point for the panel's backplane. The exact value of VCOM varies from panel to panel, so the VCOM value m...[Details]
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In modern electronic circuits, many aspects have strict requirements on the phase of the signal in the circuit. Therefore, the measurement of phase has become a common problem. This add-on for measur...[Details]
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To understand why some filters sound good and others sound terrible, you need to understand how filters work. Unfortunately, filters are the most misunderstood modules in all synthesizers. It is a ...[Details]
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Fraunhofer IIS, the inventor of mp3 technology and the main contributor to xHE-AAC and MPEG-H audio standards, recently announced that NXP Semiconductors will adopt its MPEG audio SDK, which covers ...[Details]
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Ford recently announced its latest high-resolution projection headlight technology in Europe. With this technology, the vehicle can not only project some driving and road information onto the road ah...[Details]
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74 series commonly used devices
Commonly used AND gate and NAND gate devices
MM54HC08/MM74HC08
MM54HC11/MM74HC11
MM54HC00/MM74HC00
Commonly used OR gate and NOR gate devices
MM54HC32/MM74...[Details]
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Watchdog is a very important resource that can effectively prevent the system from entering an infinite loop or the program from running away.
Working principle: After the system is running, the w...[Details]