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Jiwei.com reported on November 25 that OPPO officially released the OPPO Reno7 series and a variety of accessories tonight. The OPPO Reno7 series adopts a joint design with Sony and launches the worl...[Details]
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UPS power supply testing generally includes two types: steady-state testing and dynamic testing. Steady-state testing is to test the phase voltage, line voltage, no-load loss, power factor, efficienc...[Details]
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ams OSRAM launches high-performance 3D sensing proof-of-concept system to support advanced driver status monitoring
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The ICARUS proof-of-concept system provides a working demo...[Details]
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Multifunctional portable power supply circuit
The circuit system design discussed in this paper consists of five parts: lithium cell capacity indication circuit, battery cell protection circuit, ch...[Details]
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The application method of TL494 in this inverter is as follows: Pins 1 and 2 form a voltage stabilization sampling and error amplifier circuit. The 15V DC voltage output by the inverter secondary win...[Details]
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The headline feature of foldable devices is the ability to fold the screen, however, as products like Samsung's initial foldable smartphone show, the challenge is making this feature work in t...[Details]
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The IGLOO nano entry-level kit is fully RoHS compliant and includes a tiny modular board with an IGLOO nano AGLN250 device in a VQG100 package and a tiny low-cost programming stick (LCPS). Thi...[Details]
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Designers use
ballast ICs (such as International Rectifier's IR53HD420) in
CFLs
(compact fluorescent lamps) to heat the filament, ignite the bulb, and provide current for the lamp (Reference 1)....[Details]
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Lithium-ion batteries are notorious for frequent internal short circuits that can ignite the battery's liquid electrolyte, causing the battery to explode and start a fire. Now, engineers at the Unive...[Details]
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Hurun Research Institute released the "2020 Hurun China Top 500 Private Enterprises", which ranks Chinese private enterprises by market value. Tencent became China's most valuable private enterprise ...[Details]
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As the third generation (3G) era of mobile communications approaches, mobile phone designers are busy developing new solutions to solve a series of new problems brought about by high-speed data transm...[Details]
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It is an industry consensus that the STM32 RTC crystal oscillator often fails to oscillate. Many people ask for help on various electronic forums with questions like "Ask an expert for advice! What sh...[Details]
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The main factor causing cost variation in digital display devices today is the display screen. In the design phase, continuously promoting platform-based display design decisions can greatly reduce...[Details]
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Description: The SPI interface has a feature, that is, data MOSI is entered at the rising edge of the clock SCK, and data MISO is read at the falling edge. The chip select signal CS has a positive ...[Details]
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To convert sunlight into
electricity
,
photovoltaic
solar cells
use organic conductive polymers, which
show
great potential for both light absorption and conversion. O...[Details]
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