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With the continuous consumption of earth's energy and the scarcity of resources, the harm of greenhouse effect to human beings, and the serious pollution of the atmosphere to the earth, the inter...[Details]
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Written in front:
This series of articles will describe in detail the process of establishing the AT91RM9200 boot program, including the establishment of a cross-compilation tool chain, the com...[Details]
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1. Why should we care about power supply quality?
In the "single-phase" power supply environment of the office and home, we always hope to have a continuous 220V power supply to power the equi...[Details]
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Conceptual basis: The STM32 clock system is basically the same, with slight differences between different series. This document mainly introduces the clock system of STM32F446. 1. Clock Tree Overvie...[Details]
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1 Introduction Low temperature co-fired ceramic (LTCC) is a three-dimensional multi-layer packaging technology used to achieve high integration and high performance electronic packaging. In micro...[Details]
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Design ideas Using visual persistence to cycle display, the four-digit digital tube counts seconds and minutes, and detects whether a key is pressed. When different keys are pressed, the second count...[Details]
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China Energy Storage Network News:
On January 18, the National Development and Reform Commission held its first press conference in 2022. Li Yunqing, director of the Economic Operation Regu...[Details]
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The 6487 includes all the features of the 6485 and adds a 500V voltage source for high resistance and resistivity measurements. It has higher accuracy and faster rise time than 6485, and also has dam...[Details]
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Recently, the American company Momentum Dynamics will jointly develop high-power wireless charging technology and automatic parking technology with the China-Europe Vehicle Technology Center (CEVT) u...[Details]
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LG said yesterday it would shut down its mobile phone business amid intensifying competition and years of losses. According to the China Taiwan Economic Daily, TrendForce stated that LG mobil...[Details]
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Well-known analyst Ming-Chi Kuo is pessimistic about the demand for consumer electronics, especially the Android mobile phone supply chain. Kuo once again warned that as of this year, mainland China'...[Details]
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1 Introduction Flow is a commonly used process control parameter in industrial production. At present, there are more than 100 different flow meters on the market, but some of them are laboratory ins...[Details]
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In February 2011, Liu Zhijun, the former Minister of Railways, was dismissed for suspected serious violations of discipline (news). Subsequently, relevant parties and the media reflected on ...[Details]
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1. Transformer zero-sequence impedance tester three-phase three-wire short-circuit parameter measurement interface
When the 'three-phase short circuit' item is selected, the short circuit parameter...[Details]
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Active Power Management
On-chip power management techniques fall into two broad categories, managing active system power and managing standby power.
Active power management falls into t...[Details]
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