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Why can't a DC separately excited motor be started directly?
When a DC motor starts, the speed is zero and there is no back electromotive force inside, so the starting current = grid voltage/a...[Details]
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The S5607-B altimeter pressure sensor uses SPI and I 2 C digital interfaces, has a measurement range of 10~1,200 mbar, and a temperature compensation range of 40°C~+85°C. The sensor module operates f...[Details]
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As the name suggests, gas turbine flowmeter is a meter for measuring gas flow. It is frequently used to measure gas. Especially in recent years, the widespread use of natural gas and the promotion of ...[Details]
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ARM processor addressing mode
1. Register addressing
The operand value is in the register. The address code field in the instruction indicates the register number. When the instruction is executed,...[Details]
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The debate about LCD panels began five years ago, but at that time manufacturers agreed that only one of the three mainstream panel technologies, IPS, VA and TN, would remain, and the other two techno...[Details]
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Microsoft will release the next generation operating system called Windows 11 on June 24. However, the version number 21996.1 was leaked on a forum recently. The release not only confirms the name ...[Details]
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Experienced users know that the cost of batteries is the biggest consumption of electric bicycles, so users are very concerned about extending the service life of batteries. First of all, it is assume...[Details]
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According to the Digital Chat Station on January 20, Huawei's new Mate X2 folding screen phone has been connected to the network, and the screen information, phone size and battery charging solution ...[Details]
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1. Basic supplement 1. Keyboard tasks (1) Determine whether a key is pressed. If yes, proceed to the next step. (2) Identify which key is pressed and find the corresponding key value. (3) Based on th...[Details]
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For disaster relief operations or emergency medical services (EMS), time is more important than money because it is a matter of life and death. An ambulance equipped with a telemedicine system is...[Details]
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In 2023, Chengde will establish a chain-type thinking, vigorously extend, supplement and strengthen the chain, and the four pillars supporting high-quality development will be more stable, and the lea...[Details]
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November 28-30, 2023, under the guidance of the Beijing Municipal Science and Technology Commission, the Zhongguancun Science and Technology Park Management Committee, and the Beijing Municipal Burea...[Details]
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Using Chinese heart to create "Chinese core" | Xinhai Technology signal chain MCU makes smart terminals smarter On December 21, the 2021 Guangdong-Hong Kong-Macao Greater Bay Area Consumer Electron...[Details]
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With the development of mobile communication industry and the increasing size of mobile network, network optimization is bound to become the top priority in network maintenance. In mobile communicatio...[Details]
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Photovoltaic Headlines (PV-2005) selects the most recent photovoltaic news from home and abroad for you. Readers are welcome to interact, communicate and discuss with us by clicking on the "Leave a...[Details]