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Specifications
5 LED VU Meter kit is based on LB1409 IC from SANYO, which will indicates the volume level of the audio signal it senses
SUPPLY 12V DC @ 50mA
PR1 REF SET
PR2 AUDIO LE...[Details]
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1. Selection of pull-up resistor for MCU
You can see that when the resistor R1=10k in the reset circuit, RST is at a high level, and when R1=50, RST is at a low level. It is o...[Details]
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On September 16, the bidding announcement for the centralized procurement of inverter projects for CGN New Energy in 2022-Yunnan Mouding Yangtianqing and Xincun projects was released. The 90MW phot...[Details]
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Abstract: As the core part of embroidery machine, embroidery machine control system is the key to improve performance and reduce cost. According to the development process of embedded system, this ...[Details]
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First, let's understand the display principle of digital tube: (Source of this image: Baidu) The digital tube displays by lighting up the internal light-emitting diodes. A digit...[Details]
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According to foreign media reports, researchers at the University of Waterloo in Canada have developed a cheaper and more efficient way to enable high-speed wireless connections for IoT devices. ...[Details]
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I. Introduction The application scenarios of Arm are often much more complex than those of 51 MCUs. If the development of an advanced application requires the reconstruction of even the underlying st...[Details]
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1 Introduction
In the previously published article "Application Research of Static Induction Thyristor (SITH)", we studied the basic characteristics of domestic SITH devices and developed fo...[Details]
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With the continuous development of artificial intelligence and digital technology, the medical industry is gradually moving towards intelligence, decentralization and precision, and these new technol...[Details]
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The circuit is shown in the figure below. UC3842 is a single-ended switching power supply control chip. Pin ① is the internal error amplifier output terminal, and a negative feedback network is con...[Details]
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Jiangsu Multidimensional Technology Co., Ltd. (MDT) announced the launch of two TMR (tunnel magnetoresistance) magnetic angle sensors that can be widely used in various industrial sensor applications...[Details]
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1. Calculation and selection of the resistor (resistance) in series with the light-emitting diode. Generally, the normal light-emitting current of the light-emitting diode is 3~10mA, and the voltage d...[Details]
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On April 15, TSMC (TSM) released its first quarter financial report for fiscal year 2021. The financial report shows that the consolidated revenue in the first quarter was NT$362.41 billion (...[Details]
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This paper designs an
isolated drive power supply
for a 10 kW three-phase IGBT
full-bridge converter
, which provides 4 mutually isolated outputs, each of which provides +15 V/-9 V power...[Details]
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Hall Effect Sensors in Electric Vehicles (EVs)
From determining the position of steering wheels, pedals, and seats to the settings of various valves, knobs, and actuators, position sensors hav...[Details]
Test/Measurement
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