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According to the Korean M&A industry, LG Electronics' overseas subsidiary LG Holdings (Hong Kong) is promoting the sale of the LG Twin Towers located in the center of Beijing. The global real estate ...[Details]
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1. The internal circuit structure of a certain bit of the P1 port is shown in the figure below. Among the P0, P1, P2, and P3 ports of the 51 single-chip microcomputer, the P1 port has the sim...[Details]
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0 Introduction
There are two common dimming methods used by controller IC-based dimmable LED drivers, namely digital PWM dimming and analog DC voltage dimming. If the traditional TRIAC pha...[Details]
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Xiaomi announced today that starting from July 18, 2022, the following models will stop the internal and public beta of the development version: Xiaomi CC9 Pro, Redmi K30 5G, Redmi K30i 5G, Red...[Details]
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According to TrendForce's TrendForce Research Institute, the introduction of smart manufacturing will be the key to the survival of enterprises during the COVID-19 pandemic. In addition to driving th...[Details]
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The popular CCFL-luminous LCD displays are gradually being replaced by LEDs, and the popularity of LEDs is a foregone conclusion. In early 2011, with the arrival of the Spring Festival promotion, a va...[Details]
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1. Design of power transformers and audio transformers below 2kVA
Some electronic circuit designers and electronics and electrical enthusiasts often encounter transformers that they have designed ...[Details]
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If it is not properly maintained, even if it is a high-quality brand mobile power bank, its service life will be greatly affected, and it may even cause safety problems. So how to maintain a mobile...[Details]
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In order to alleviate the energy problem, on the basis of being fully compatible with the existing power supply system, the system uses wind and solar energy to replenish electricity, and comes w...[Details]
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NVIDIA released the RTX 4090/4080 series graphics cards two days ago, priced from 7199 to 12999 yuan. It was criticized for being expensive. CEO Huang Renxun defended it by saying that there was noth...[Details]
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Working together to create a more inclusive, diverse and sustainable future Recently, Intel released the "2022-2023 Corporate Social Responsibility Report", focusing on reviewing the results achie...[Details]
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Because it allows multiple I2C bus devices to be connected to the bus, the devices connected to the I2C bus are open-drain or open-collector, which can realize the wired AND function. At the same tim...[Details]
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Signal Path recently released a video disassembling an 86109B optoelectronic signal measurement module from an Agilent sampling oscilloscope. This module is very expensive, costing around $85,000, so...[Details]
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1. Circuit Design This circuit consists of AT89C51 minimum system, 12864 display module and independent buttons. It can realize games similar to Tetris. 2. Operation Effect 3. Partial Code /*Want...[Details]
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ARM processors have been developed for many years, with many architectures and many different cores.
The architectures are armv1 v2 v3 v4 v5 v6 v7
There are too many cores, for example, a...[Details]