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Recently, research institutions EVTank, Ivey Economic Research Institute and China Battery Industry Research Institute updated the "China Lithium-ion Battery Industry Development White Paper (2023)"...[Details]
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During the ARM development process, everyone will encounter the situation where the stack is not enough or the stack is too large. Here I will introduce how to modify the stack size through the two d...[Details]
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Keyboard scanning has interrupt mode and query mode
#include "jn8515def.h"
/******The following is the keyboard arrangement diagram******
| | |
PC0 ___1|__2|__3|__
...[Details]
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According to foreign media reports, the University of Michigan (UM) uses vehicle-to-vehicle communication (V2V) technology to enable autonomous vehicles to respond to other road users in a timely m...[Details]
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The high-speed operational amplifier is a multi-stage amplifier with high amplification factor. Under deep negative feedback conditions, it is easy to generate self-oscillation. In order to make the ...[Details]
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Ultrasonic waves can be used to effectively detect moving objects in a certain space. It is easy to install and has good detection effects. This article introduces a person detection device designe...[Details]
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Recently, the "HiHope Community" public account announced that Runhe Software has completed the OpenHarmony standard system adaptation based on domestic 4G chips, which means that the HiHopeOS standa...[Details]
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In recent years, there have been constant reports of firefighter casualties in fire accidents. According to the Fire Rescue Bureau of the Ministry of Emergency Management: In 2018, there were 237,000...[Details]
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On October 8, China Micro Corporation issued an announcement stating that in order to seize the development opportunities of the integrated circuit industry, the company plans to use 50 million yuan ...[Details]
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Two 74HC595s share 6 IO ports, a simple timer clock, mainly for the control of 74HC595. Simulation: MCU source code: #include reg52.h #include intrins.h typedef unsigned char uchar; typedef uns...[Details]
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Bright output VP refers to the electrical signal value output by the photoelectric sensor when the CIS reads the white sample.
Brightness deviation UP refers to the deviation value of the brightnes...[Details]
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In recent years, with the continuous rapid development of the new energy vehicle market at home and abroad, vehicle intelligence and connectivity have become topics of focus for car companies and ind...[Details]
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Foreign media reported recently that due to chip shortages, iPhone 13 production will be reduced by tens of millions this year, and the total production capacity will be lower than expected. However,...[Details]
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We use an actual clock circuit to illustrate the software programming method of the timer. The clock is our most common timing tool that displays hours, minutes, and seconds. It is a typical applic...[Details]
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NC (Numerical Control) is a technology that controls machine tool processing through computer programs. In CNC processing, NC programs are the key factor in controlling machine tool movement and pr...[Details]
PCB Design
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