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This blog post mainly describes the following points: 1. Introduction to Mini2440 development board and QEMU emulator 2. Compile QEMU adapted to Mini2440 3. Use of Buildroot (2012.05) 4. Run the comp...[Details]
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There is a very interesting type of crystal. When you squeeze or stretch it, different charges will be generated at its two ends. This effect is called the piezoelectric effect. Crystals that can p...[Details]
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With the increasing abundance of various electrical appliances and instrumentation equipment, higher requirements are placed on the flexibility of power supply applications. Designing a universal pow...[Details]
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With the rapid development of the Internet, smart terminal products have become a must-have for all major industrial chains. For all Internet companies, smart terminal products are the best entry p...[Details]
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1 Introduction During the profiling spraying process of fruit trees, the spraying amount and spraying distance are realized by a computing processing device (such as a computer, etc.) that converts t...[Details]
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Jiwei.com reported on February 25 that today Samsung held a Galaxy S21 5G series media tasting event in Shanghai, and shared on-site many differentiated highlights of the Samsung Galaxy S21 5G series...[Details]
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ON Semiconductor Launches New High Power Totem Pole PFC Controller to Meet Challenging Energy Efficiency Standards
Newest device reduces development time and costs, enabling faster d...[Details]
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This paper briefly introduces the design principle of LC oscillation circuit for measuring capacitance and inductance. At the same time, it is proved through experiments that this scheme can measure h...[Details]
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Software leader’s decades of expertise, commitment to performance excellence, and scalable capabilities enable emerging Chinese automaker to bring first electric vehicle to market on tight timeline ...[Details]
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This paper presents a design of a high-precision automatic resistance tester with STC89C54RD as the control core. The system range is 10Ω to 10MΩ, with the functions of automatic range switching and...[Details]
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The small household appliance industry is a typical labor-intensive industry, and market demand is rapidly iterating. The industry development is facing a small-batch, multi-variety production mode...[Details]
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In modern multimedia conference rooms, in order to meet the needs of different presentation occasions, there are usually a variety of different audio and video signal sources and display terminals...[Details]
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On July 25, OPPO K11 series of new products were officially released . The product is fully equipped with BOE (BOE) flexible OLED ultra-clear eye protection screen, and is optimized based on consumer...[Details]
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Texas Instruments (TI) announced a high-power multi-topology DC/DC LED driver with adjustable switching frequency and current sensing threshold, high design flexibility and low electromagnetic interfe...[Details]
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High efficiency 30W wide range input power supply circuit
The circuit shown in Figure 41 utilizes several features of TOPSwitch-GX to reduce system cost, power supply size, and improve efficienc...[Details]