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Abstract: This paper introduces a design of a simple dual-channel digital oscilloscope. The AT89S52 single-chip microcomputer is used as the control core. After the input signal is processed by the p...[Details]
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How can people with aphasia who have clear minds speak normally? Now there are new research results. Recently, researchers from the University of California published their research results in the jo...[Details]
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This article will introduce an LED that has small size, low cost, high PF and high TRIAC brightness adjustment performance. This design uses a single-stage power factor correction (PFC) inverter conv...[Details]
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Could humans invent a device that could sense the slightest disturbance in the water like a fish? Or learn from a butterfly that changes the color of its wings as the chemical composition of the ai...[Details]
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In applications such as automotive LED lighting, where the driver is often far away from the LED, short-circuit protection is required. In this article, John Rice explains how to prevent the LED d...[Details]
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Interrupt system: Interrupt Concept When the CPU is processing an event A, another event B occurs, requiring the CPU to process it quickly (an interrupt occurs); The CPU temporarily interrupts the c...[Details]
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This program is used to convert the analog signal read from MQ-3 into the corresponding digital signal. After being processed by the 51 single-chip microcomputer, it is displayed on the digital tube....[Details]
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Now let's take an 18" LED tube as an example to analyze the design ideas: Let's take the most commonly used 3528 lamp beads as an example. When LED lamp tubes first came out, due to the large price g...[Details]
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(Image source: Ravin.AI) According to foreign media reports, Ravin.AI announced that it has completed a seed round of financing worth US$4 million (approximately RMB 27.6176 million), led by PIC...[Details]
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The motor is one of the important traction equipment in industrial production. AC asynchronous motors are widely used in industry, agriculture and other production due to their simple structure an...[Details]
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1 Introduction
Virtual instruments are the product of the development of computer technology and digital signal processing (DSP) technology. They have the advantages of open functions, fle...[Details]
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The interference current on the power line is divided into two categories according to its flow path: one is differential mode interference current and the other is common mode interference current...[Details]
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In 2018, Sino-US trade frictions were on the verge of breaking out. Events such as ZTE and Huawei popularized the importance of the semiconductor industry to the Chinese people. Technology giants suc...[Details]
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Japanese media said that in the field of high technology, the fierce confrontation between American and Chinese companies has become increasingly prominent. The 2018 global "Major Goods and Services ...[Details]
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Recently, Beijing Puneng received a letter of thanks from the Ganzi Demonstration Energy Storage Project Department of State Power Investment Corporation, which expressed praise and affirmation for...[Details]
Analog electronics
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