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Basic characteristics of ds1624
ds1624 is a powerful digital temperature sensor produced by Dallas. It is simpler to control than ds1620 of the same series, and has higher resolution than ds16...[Details]
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In total darkness, relying on vision for navigation is useless, instead, touch is more effective. A hard touch can reveal more about an object or obstacle due to a larger response from the nervous ...[Details]
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1 Technical principles, characteristics and applications of ferroelectric memory
The core technology of ferroelectric memory (FRAM) of Ramtron Corporation in the United States is ferroelectric crys...[Details]
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We are used to using time as a reference to record events that occur at a certain moment. This method is of course also applicable to electrical signals. Therefore, an oscilloscope can be used to obs...[Details]
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A good operating platform should be able to process images in the shortest time, good machine vision software should be easily applied in a series of cases, and good cameras and lenses should have ...[Details]
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Introduction
The AD9779 TxDAC operates at DAC output sampling rates up to 1 GSPS. In some applications, such as those requiring beam steering, the user can synchronize multiple AD9779s. Theref...[Details]
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On May 28, State Grid Corporation of China held a conference to study and implement General Secretary Xi Jinping’s important expositions on scientific and technological innovation and the company’s...[Details]
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The photocoupler introduced here is a device composed of a light-emitting diode and a phototransistor. The light-emitting diode converts the electrical signal of the input side into light with the...[Details]
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1 Introduction
Embedded POS is a new POS hardware platform based on embedded operating system. It is favored by many merchants for its low cost, simple maintenance and copyright advantages. As a...[Details]
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one,
ORG 0000H
AJMP MAIN
ORG 0209H
MAIN: MOV SP,#50H PC=0209H
MOV 30H,#1
...[Details]
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The whistleblower @Evan Blass released a Samsung product roadmap for 2021 today. Following the release of the new A series mid-range model yesterday, it is expected to release another product a...[Details]
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设计一种能够产生连续电弧的高压开关电源可能是具有挑战性的。这种小巧高效的开关电源在输出功率为 20W 时可输出 1kV电压，并能耐受连续电弧（即短路）（图 1）。它使用标准的市售元件。使用R1将开关稳压控制器LTC1871设定在120kHz的额定工作频率。该电路像间断式回扫电路一样工作，在 C1上产生 333V 电压。二极管/电容器电荷泵倍增器把该电压升高到三倍，在输出端产生1000V 电压...[Details]
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The on-chip hardware structure of the AT89S51 microcontroller is shown in Figure 2-1. It integrates the basic functional components necessary for control applications on an integrated circuit chip wi...[Details]
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A frequency meter is an instrument for measuring frequency or time interval information. It has high accuracy, low price and unique design. High-precision measurement can be achieved using only a...[Details]
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The emergence of new materials, the continuous improvement of processing technology, and the rapid development of high-sensitivity CCD devices and electronic technology have made high-resolution opti...[Details]
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