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As LED technology matures, LED lighting is increasingly used, such as LED flashlights in mobile phones, LED home lamps, LED headlights and taillights in cars, etc. But how can we effectively extend t...[Details]
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High-quality bookshelf speakers DIY
Friends who like to play with audio equipment always have a strong desire to get started, and I am no exception. Although there are many finished e...[Details]
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Sina Digital News reported on the afternoon of May 20 that the smartphone brand Nubia held an online press conference and officially launched the Nubia Z30 Pro phone. According to the officia...[Details]
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I. Design Task: This design consists of four modules: data display module, temperature acquisition module, time processing module and adjustment setting module. The system uses AT89S52 single-chip mi...[Details]
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//The program does not perform key debounce, nor does it consider the situation where multiple keys are pressed at the same time. //The lowest two digital tubes display the corresponding keys (for ex...[Details]
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With the development of the electronic information industry, soft magnetic materials and their performance measurement, which are closely related to it, have attracted great attention. Most soft magne...[Details]
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Nowadays, people's demand for electric energy is getting higher and higher, and social development is also inseparable from electric energy. In the process of electric energy production and applica...[Details]
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Since abandoning the mobile phone market, HTC has focused on the VR field. In addition to virtual reality (VR) hardware sales, HTC is also actively moving towards content and applications. Market r...[Details]
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1. Selection of bandwidth in power supply measurement
There are four related terms for oscilloscope bandwidth: analog bandwidth, digital bandwidth, system bandwidth and trigger bandwidth. Digital ban...[Details]
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Parallels recently said that the company is actively developing a new version of its virtualization software that will be compatible with Apple Silicon and M1 machines. The company said it's excite...[Details]
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Mobile phone battery charging circuit
Figure 4 shows a mobile phone battery charging circuit composed of MIC4680. In the figure, the feedback reference voltage signal of the FB terminal is provided...[Details]
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With the expansion of the communication network,
the centralized power supply
of communication power
supply has gradually changed to decentralized power supply. On the other hand, from t...[Details]
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Qualcomm's next-generation flagship Snapdragon 875 chipset is codenamed "Lahaina," and now a new leak suggests it may be much more powerful than expected. According to an early benchmark test release...[Details]
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The circuit in this example is used to create a voltmeter that reads to 0.99V. The circuit uses a counter IC to drive two groups of four LEDs (Figure 1). Each of the two groups represents a BCD (bina...[Details]
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We often say that logic devices are the "glue" of every electronic product design, but they are often the last thing you consider when selecting components for your system. It is true that th...[Details]