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Before the advent of smartphones, photovoltaic inverters mainly relied on LCD screens to display information. At that time, the larger the LCD screen, the more popular it was with users, because th...[Details]
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A fundamental trend in the automated test industry is the significant shift toward software-based test systems. For example, the U.S. Department of Defense (DoD) is one of the world’s largest customer...[Details]
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Design of a Small Preamplifier for Electret Microphone
0 Introduction
With the rapid development of my country's communications industry, the demand for electret microphones is increa...[Details]
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Use CorelDraw, higher versions such as 10.0sp1 have the least errors 1. If it is a multi-page document, use Acrobat (the full version has editing function) to extract the required pages and save them...[Details]
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Recently, Huawei Technologies Co., Ltd. has added a number of patent information, including "a thermal management system and electric vehicle" and "a vehicle control method and related equipment." ...[Details]
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LED, once a synonym for neon lights, has set off a technological revolution in the field of color TVs. In 2010, LED LCD TVs have become the first choice for merchants and buyers. However, before th...[Details]
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1. How to detect the quality of AC three-phase motor? 1. Use a megohmmeter (a 500V megohmmeter will do). If the insulation resistance of the wires on the three terminals to the motor housing is above...[Details]
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The instruction system of the MCS-51 series microcontrollers has a total of 111 instructions, which are divided into five categories:
data transfer; (29)
arithmetic operations; (24)
logical o...[Details]
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According to previous news, this year's iPhone 14 series will adopt two screen designs. The Pro version will adopt a no-notch solution and be equipped with a perforated screen, while the standard ver...[Details]
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TKYND kinematic viscometer is also called kinematic viscometer, fully automatic kinematic viscometer, kinematic viscometer and petroleum product kinematic viscometer. The fully automatic kinematic vi...[Details]
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The fuse configuration of AVR microcontrollers is a place where AVR microcontroller beginners can easily make mistakes. In fact, as long as you pay attention to some matters, you can try to avoid the...[Details]
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PLC adopts a cyclic scanning working mode. In PLC, user programs are stored in order. The CPU starts to execute the program from the first instruction until it encounters the end character and retu...[Details]
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From the perspective of lithium battery development trends, solid-state batteries are considered to be the most promising next-generation lithium battery technology
. Compared with traditiona...[Details]
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The Xiaomi 12 series of mobile phones will be officially released on December 28. Among them, the Xiaomi 12 is positioned as a small-screen flagship model, equipped with a FHD+ resolution scre...[Details]
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A single-phase to three-phase inverter is a power conversion device that converts single-phase AC power into three-phase AC power. It is widely used in industrial automation, power systems, househo...[Details]
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