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March 1, 2011, Beijing News - Cree, a market leader in LED lighting, announced the launch of a new lighting-class LED that can meet the needs of high-output, small-sized directional lighting applic...[Details]
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The key task of the UPS is to ensure that the power supplied to IT equipment meets the specific power requirements of the equipment under various input AC conditions (including generator operation)...[Details]
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According to Jiwei.com, the chip shortage started from the automotive field and spread to many fields and became a global phenomenon. In response to the question of "whether it is affected by the ti...[Details]
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1. Introduction
In today's global energy shortage and increasing environmental pollution, LED has a broad application space due to its energy-saving and environmentally friendly characterist...[Details]
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Lenovo, the big brother that has been criticized by the public for its lack of technology, released its performance report for the 20/21 fiscal year ending June 30, 2020 on August 13. Unlike in the...[Details]
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The high-voltage switch tester prompts "Output short circuit or overload, please turn off the machine to check the control wiring" Problem analysis:
(1) The control wiring is wrong, causing the ins...[Details]
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As we all know, safety is an eternal theme of power enterprises, and the quality of safety will directly affect the personal and equipment safety of power enterprises in the production process. The a...[Details]
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Introduction PWM rectifier is a power converter developed by applying pulse width modulation technology. It can make the input current and voltage in phase, so that the power factor is close to 1....[Details]
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The function of the voltage regulator is to step down the voltage and stabilize it to a fixed value before outputting it. For example, the three-terminal voltage regulator 7805 can step down a volt...[Details]
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This thermostat controller has the characteristics of wide application, high precision, low cost, easy installation and adjustment.
Working Principle
The thermostat controller consists o...[Details]
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Keysight Technologies has introduced a new series of single-slot PXI vector network analyzers. These analyzers cover a frequency range of 300 kHz to 26.5 GHz and have the best speed, trace noise, stab...[Details]
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The first program module executed by 80C51 after power on reset is not the user's main program main(), but a program module called startup.a51 hidden in the KEIL-C51 standard link library. The main...[Details]
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Microcontrollers (MCUs), which are widely used in automotive electronics, have been developing at full speed and are now facing time and cost barriers. The main benefits of using MCUs have always been...[Details]
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Contents The invention relates to a self-correcting conductivity flowmeter. Background of the Invention At present, most domestic flow meters use mechanical switches and Hall switches. Mechanical s...[Details]
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In 1924, German doctor Hans Berg first recorded EEG in humans, opening a new era of brain science exploration. Over the past century, from the hypothesis of brain-computer interfaces to deep brain ...[Details]
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