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1. Why use DMA? DMA stands for Direct Memory Access, which means direct memory access; It can directly operate memory, so it has the following advantages: There is no need for the CPU to access the m...[Details]
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This is an over-temperature and cooling alarm composed of CD4011 four-NAND gate integrated circuit, which is used to monitor the temperature of the constant temperature box. When the constant tempe...[Details]
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A friend who uses an oscilloscope said that the automatic function of his oscilloscope was broken and could not be automatically successful. I looked at the video he sent and it was a straight line. ...[Details]
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In recent years, with the rapid development of photovoltaic power generation, more diversified and cleaner sources of electricity have been brought about. However, the problems that arise after distri...[Details]
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Among the indicators for measuring the safety performance of UPS systems, two indicators are particularly important: one is the reliability of the system, and the other is availability. As the ...[Details]
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Abstract: Taking the control circuit of an intelligent electrical valve positioner as an example, an implementation method of a low-power two-wire system is discussed. Since it is a 4-20mA two-w...[Details]
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introduction
MR16 lamps are a type of multi-faceted reflector lamp that typically uses a halogen filament capsule as the light source. They are suitable for many retail and consumer applicatio...[Details]
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High voltage metal oxide
semiconductor
field effect transistor (
MOSFET
) technology has undergone a great change in the past few years, which
has provided
power supply
...[Details]
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With the development of society and the prosperity of economy, modern science and technology are being applied more and more widely. Using modern high-tech means and perimeter anti-theft alarm syst...[Details]
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1 IC Card Reader Overview People often come into contact with magnetic cards and IC cards in their daily lives. They are divided according to the different information carriers on the cards. Cards ...[Details]
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As a physical feature of the human body, fingerprints have the characteristics of uniqueness, stability and difficulty in theft. With the gradual maturity of fingerprint recognition theory and the ...[Details]
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Abstract In the actual application of electric vehicle power batteries, long-term actual road condition tests are required, which have long experimental cycles, complicated processes, and high cost...[Details]
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//Define the CLZW class
#ifndef _LZW_H_INCLUDED
#define _LZW_H_INCLUDED
#include stdio.h // for getc, getwc
#include string.h // for memset
#include stdlib.h // for malloc, free
#define MAX_LZW...[Details]
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Who doesn't like the rumble of a distorted electric guitar? It's a key part of many important music genres, especially in the blues and rock genres, and is also often used in hard rock, metal, or p...[Details]
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According to foreign media reports, Ford Motor Company has applied for a patent for a ground-penetrating tailgate sensor from the United States Patent and Trademark Office (USPTO), which may be use...[Details]
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