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Calculate the number of LEDs from a known power supply
Example: How many LEDs can be configured under the conditions of a power supply with a rated output power of 10W, a rated forward current of 2...[Details]
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Since 2020, more and more companies invested by Hubei Xiaomi Changjiang Industrial Fund Partnership (Limited Partnership) (hereinafter referred to as "Xiaomi Industrial Fund") have begun to rush into...[Details]
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With the rapid development of science and technology, biometric technology has gradually penetrated into daily life. Traditional cameras, ultrasonic detection, etc. have been gradually replaced by bi...[Details]
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Lee Jae-yong, de facto head of Samsung Group, is said to have traveled to Japan to hold talks with suppliers, hoping to find ways to ease the impact of Japan's export controls on raw materials for Sa...[Details]
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With supply chain disruptions and changes in the international situation, Apple is expected to cut iPhone orders for 2022 and adjust orders again in the near future. In other words, services are beco...[Details]
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On June 5, the Shanghai Bokang project with a total investment of 1.3 billion yuan was officially signed and settled in Gaoling, Xi'an. According to Xi'an Evening News, the Shanghai Bokang photolit...[Details]
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Mr. Wang, who lives in a rural area in northern Jiangsu, recently installed a household grid-connected photovoltaic power generation system, which enables him to generate electricity for his own us...[Details]
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Modern software development has more codes, languages, platforms, and deployment options. DevOps requires automation to maximize speed. And all of this means more security risks. Therefore, DevSecOps...[Details]
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Orifice flowmeter is also called differential pressure flowmeter, which is composed of primary detection device (throttling device) and secondary device (differential pressure transmitter and flow di...[Details]
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Thanks to the promotion of manufacturers such as Samsung and Huawei, the styles of foldable screen mobile phones on the market are becoming more and more diverse, and some have even been iterativel...[Details]
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This is a household inverter power supply circuit diagram with excellent performance . The materials are easy to obtain and the output power is 150W. The design frequency of this circuit is about 300...[Details]
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1. Working principle of online UPS
The circuit structure is shown in Figure 3-1. The input filter is essentially an EMI filter. On the one hand, it filters out and isolates the interference of...[Details]
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(Photo source: WM Motor) According to foreign media reports, on December 10 local time, BlackBerry Limited announced that Chinese electric vehicle manufacturer WM Motor will embed BlackBerry's QN...[Details]
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Over the past year, the mobile phone industry chain has faced an industry cold snap due to external factors. Many A-share listed companies in the industry chain have performed poorly, and their stock...[Details]
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Auto-coupling step-down starting and star-delta starting are two commonly used motor starting methods. They have different effects on the current and torque of the motor during the starting process...[Details]