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K4, K3: "In and Out" simulation detection keys. Each time K3 is pressed first and then K4, it represents one person "in"; each time K4 is pressed first and then K3, it represents one person "out". Ea...[Details]
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Several of my friends have worked hard in various directions at Dragonfly Auto, and in the end, they saw that almost everyone quit when they couldn't hold on any longer, some after 5 years, some afte...[Details]
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1. In STM32, there are five clock sources: HSI, HSE, LSI, LSE, and PLL. ①HSI is a high-speed internal clock, RC oscillator, with a frequency of 8MHz. ②HSE is a high-speed external clock that can be c...[Details]
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The "Eight-Point Method" proposed by Guangxi Unicom is a 3G traffic management support solution. Through PS domain signaling mining, it accurately locates 3G traffic management from eight dimensions,...[Details]
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1 Introduction
With the rapid development of electronic technology, more and more fields are applying digital devices with single-chip microcomputer as the control core and liquid crystal as t...[Details]
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There are many types of film capacitors, with different shapes and sizes. Among the film capacitors, there are several types that look similar and have similar names, such as CBB21 capacitors and C...[Details]
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Recently, the 2024 key project opening and completion event of Putian City and the groundbreaking ceremony of the preparatory phase of the Mulan Pumped Storage Power Station project in Xianyou, Fuj...[Details]
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#include
#define uchar unsigned char /*macro definition character data integer data*/
#define uint unsigned int
uint DD;
sbit DQ=P2^2; //define DS18B20 bus I/O
unsigned int temputer;
char Code ...[Details]
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AGV is the abbreviation of Automated Guided Vehicle. Its full name in Chinese is automatic guided transport vehicle or unmanned transport vehicle. Because it is equipped with electromagnetic or opt...[Details]
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In electronic products, both batteries and capacitors store electrical energy and provide power for electronic products. But why is it that batteries are a household name, and everyone from 80-year...[Details]
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New development environment enables users to quickly bring cutting-edge software to market
BEIJING, China, April 12, 2022 - Renesas Electronics Corporation (NASDAQ: RT-AMZN) today announ...[Details]
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1. The main components of lithium power batteries
(1) Battery cover
(2) Positive electrode - active material is lithium cobalt oxide
(3) Diaphragm - a special composite membrane
...[Details]
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/* From right to left*/
#include reg52.h
sbit ADDR0 = P1^0;
sbit ADDR1 = P1^1;
sbit ADDR2 = P1^2;
sbit ADDR3 = P1^3;
sbit ENLED = P1^4;
void main()
{
u...[Details]
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Market Research
There are several ways to study the GPS (Global Positioning System) market and the industry leaders that dominate the major markets in this field. To establish a benchmark,...[Details]
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Self-protection device R25 with 1.5 kΩ resistance, can handle voltages up to 1200 VDC, has an energy absorption capacity of 340 J, and reduces component count
MALVERN, Pennsylvania, ...[Details]
Domestic Chip Exchange
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