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I recently learned about LED dot matrix and used three methods to display letter groups, namely key control display, automatic change display, and scroll display. The first #include"reg51.h" #inclu...[Details]
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1 Introduction Ultrasonic sensors have been widely used due to their high measurement accuracy, fast response and low price. The traditional application method is that one transmitter corresponds to...[Details]
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It is not good to just read the post without posting. I will post it too. Please forgive me if it is not well written. Two months ago, I did a low-power project in the company. Now the lowest p...[Details]
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Noise is an unwanted signal. In communication systems, noise affects the performance of transmitters and receivers. It reduces the modulation quality of transmitters and the sensitivity of receivers....[Details]
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How to connect the audio matrix to the amplifier
Connecting an audio matrix and an amplifier usually requires the following steps:
1. Identify the output ports of the audio matrix, which ...[Details]
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1 Introduction
The gradual enhancement of people's health awareness and environmental awareness has led to increasing attention to environmental parameters and their impact on the body. However, ...[Details]
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1. Use analog band-stop or band-pass filters for measurement This is the earliest harmonic measurement method, and its advantages are low circuit cost, simple structure, easy control and low outp...[Details]
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Pulse Width Modulation (PWM) is a very effective technology that uses the digital output of a microprocessor to control analog circuits. It is widely used in many fields from measurement, communicati...[Details]
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1 Introduction
TOP Switch (Three Terminal Off-line PWM Switch) is the first three-terminal isolated pulse width modulation monolithic switching power supply integrated circuit successfully de...[Details]
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Introduction
Over the past few years, small color LCD displays have been integrated into an ever-widening range of products. Color displays were once considered a luxury feature in mobile pho...[Details]
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According to Taiwan's DigiTimes, Apple will complete the second phase of the "EVT" or "engineering verification and testing" phase for the upcoming iPhone 12 series by the end of June and begi...[Details]
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On December 19, focusing on the theme of "Enabling the ubiquitous power Internet of Things and building a new blueprint for the digital economy", State Grid Blockchain Company organized the first E...[Details]
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Preface
In the design of digital signal processing systems such as communications and radar, signal simulators play a vital role. The simulator is used to simulate various input signals of the si...[Details]
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New technologies are applied to products, giving them new vitality and even deriving new things. Among many fields that create new technologies, the technological iteration in the automotive field ca...[Details]
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This article introduces the main indicators, simplified block diagram and typical application circuit of LM49155. LM49155 is a highly integrated PowerWise audio subsystem of NS, which integrates a noi...[Details]
Analog electronics
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