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In recent years, the incidence of heart disease has continued to rise. In order to enable patients to receive diagnosis and treatment anytime and anywhere, researchers have developed a variety of p...[Details]
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This is the circuit diagram of a 40W power amplifier built based on power transistors TIP33C and TIP34C as the main parts. It is powered by symmetrical/dual power supplies. A heat sink must be used...[Details]
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The 89C51 series microcontrollers do not have SPI ports. In this case, we can simulate the SPI port to realize the functions we want. The program is as follows: //-----------------------Function decl...[Details]
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On December 19, Beijing time, Qorvo Semiconductor Co., Ltd. (Qorvo) announced on Monday that the company has reached a final agreement to sell assembly and test facilities in Beijing and Texas, China...[Details]
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Today I will tell you about the use of the keyboard. Let's first look at the pins on the circuit diagram. Next, let’s take a look at how to use a standalone keyboard. Independent keyboard is S4 S...[Details]
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OFweek Cup · OFweek 2023 China
Robot
Industry Annual Selection (abbreviated as OFweek Robot Awards 2023) is jointly organized by OFweek, China's high-tech industry portal, and its authorita...[Details]
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With the rapid development of the Internet and the mutual promotion of communications and computers, our requirements for the power supply quality of the sophisticated electronic equipment used ...[Details]
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In 2018, the market size of China's artificial intelligence industry continued to maintain steady growth, with the overall market size reaching 38.38 billion yuan, a year-on-year increase of 27.6%. W...[Details]
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1 Introduction
With the wonderful appearance of TD-LTE test network at the World Expo and Asian Games, and China Mobile's huge investment in the construction of 6+1 city test network in 2011, the i...[Details]
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Significant changes in CEO thinking on sustainability, employee issues and inflation in 2022 • For the first time ever, CEOs ranked environmental sustainability among their top 10 business priorit...[Details]
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Circuit principle: As shown in the figure, this is the auxiliary audio power amplifier circuit of LM4730. The audio input signal is added to the input terminal 8 pin of LM4730 after passing throug...[Details]
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According to the Verge, the UK government now accepts Apple and Google payments for certain services (via iTV and Apple Insider). Citizens can now pay for four services with their phones, with more t...[Details]
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According to foreign media voice, renderings of LG's new entry-level 5G phone, Stylo 7 5G, have been exposed. This phone will be released earlier this year. Foreign media said that LG will rele...[Details]
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Commonly used methods for hardware anti-interference of single-chip microcomputer systems Practice The main factors affecting the reliable and safe operation of single-chip microcomputer systems main...[Details]
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Radio Frequency Identification (RFID) technology, as a high-tech technology for rapid, real-time and accurate information collection and processing and the basis of information standardization, has...[Details]