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This article discusses the specific applications of single-chip microcomputers in life, tells the development history and characteristics of single-chip microcomputers, and looks forward to the p...[Details]
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1 Introduction
SD card (Secure Digital Memory Card) is a new generation of memory based on Flash. It focuses on the security, capacity and performance of data storage. It is an ideal ex...[Details]
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The series trigger circuit is also called the internal trigger circuit. According to its circuit form, it is divided into a saturated pulse transformer internal trigger circuit and a spark internal...[Details]
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If the CPU is the brain of the computer and the current is the blood of the computer, then the clock is the heart of the computer. The clock frequency determines the speed of the processor's calculat...[Details]
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1. Development Background
At present, the data of water meters and heat meters of urban residents in my country are basically collected manually and then settled at the end of the month. This met...[Details]
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(1) Create the database file test.db
#cd /home/www
#sqlite3 test.db
SQLite version 3.7.7.1 2011-06-28 17:39:05
Enter ".help" for instructions
Enter SQL statements terminated wit...[Details]
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As we all know, a car is made up of many parts, and the so-called three major mechanisms and five major systems are the core parts. But for an ordinary person who doesn't know much about cars, when y...[Details]
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LED electronic display installation:
Hardware equipment list
LED display signal cable power cable system control card (installed in the computer) system receiving card (installed in ...[Details]
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#include
#include intrins.h
/*************************************Port definition************************************/
sbit sclk = P3^4;
sbit io= P3^3;
sbit rst= P3^5;
sbit rs=P1^0;
sbit en=P...[Details]
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In order to reduce the size and weight, low-power portable products such as PDAs, handheld computers, pagers and portable measuring instruments are mostly powered by a limited number of batteries...[Details]
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DC-DC Converters
Here I will discuss the topic of DC-DC converter anti-interference in detail in several articles. In the first lecture, let’s briefly talk about DC-DC converters.
There’s an old ...[Details]
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Freespace detection is part of driving scene understanding, which classifies each pixel in the image as a drivable or non-drivable area, usually achieved through image segmentation algorithms. Othe...[Details]
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How to judge whether the crystal oscillator in the circuit is overdriven?
Resistor RS is often used to prevent the crystal oscillator from being overdriven. Overdriving the crystal oscillator w...[Details]
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According to the latest report from market research firm Counterpoint Research on Wednesday (30th), Apple’s iPhone 12 series global sales exceeded 100 million units in April, reaching this milestone ...[Details]
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The RCC switching power supply circuit has a performance of 5V/400mA and uses electronic components such as diodes, voltage regulators and capacitors. The circuit diagram is shown below:
...[Details]
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