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Today's circuits require complex power systems. Power management devices with voltages below 1.2 V are highly sensitive to noise, and slight changes can produce bit errors. Noise measurement on the p...[Details]
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On the morning of February 23, Cihu High-tech Zone held a signing ceremony for key projects in the communications industry. The total investment of the 10 signed projects was 8.4 billion yuan, ...[Details]
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3D printing
This word is being known and applied by more and more people, and the entire industry is bursting with vitality and thriving.
Looking at the development history of my country...[Details]
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#include reg52.h #define uchar unsigned char #define uint unsigned int sbit key1=P3^2; //Press key1 to pause playback sbit key2=P3^3; //Press key2 to switch songs sbit fm=P3^7; //Buzzer serial IO p...[Details]
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Voltage references and current references are often used in analog circuit design. These references are little affected by power supply, temperature or process parameters, and provide a relatively ...[Details]
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#include "C8051F340.h"
#define uint unsigned int
#define uchar unsigned char
sbit SCLK = P2^3 ; //DS1302时钟
sbit DIO = P2^4 ; //DS1302数据
sbit CE = P2^5 ; //DS1302片选
void Ds1302_Wr...[Details]
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There are two types of transformers: air-gap type and differential transformer. Currently, the most commonly used is the solenoid type differential transformer.
Its basic components include ar...[Details]
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#include
#include stdio.h
//-------------
#define RW P1_0
#define RS P1_1
#define EN P1_2
#define BUS_LCD P2
#define BF P2_7
//----------------------------
void init(void);
void ...[Details]
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According to foreign media 91mobiles, Samsung Galaxy Z Flip 3 and Galaxy Z Fold 3 have started pre-orders in India. The starting price of Samsung Galaxy Z Fold 3 is tentatively set at 135,000 Indian ...[Details]
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INNOSILICON, China's leading one-stop IP and customized chip leader, announced that it has completed the world's first chip tape-out and testing based on SMIC's FinFET N+1 advanced process. All IPs a...[Details]
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introduction
Flash memory, also known as flash memory, is a new type of semiconductor non-volatile memory that gradually developed in the late 1980s. It has the characteristics of both RAM and...[Details]
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1. What is a digital tube? As shown in the picture, this is a two-digit digital tube A digital tube should have 8 LED lights to control what number it displays, 7 LEDs to control the number, and...[Details]
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1. Measure the crystal oscillator clock: Use a digital multimeter to measure the voltage at both ends of the crystal oscillator. If the voltage at both ends is half of the power supply voltage or one...[Details]
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Abort Exception Interpretation (Prefetch Abort & Data Abort) instruction fetch memory abort data access memory abort cancel During the memory access process, the ARM processor may have an exception...[Details]
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1. Exception vector table:
Contains: 1. Exception definition
2. Exception Type
3. Abnormal entrance
4. Vector table
First, the exception definition is in the ARM Architectu...[Details]
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