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#include #define uint unsigned int #define uchar unsigned char sbit beep = P1^5; uchar code SONG_TONE ={212,212,190,212,159,169,212,212,190,212,142,159, 212,212,106,126,159,169,190,119,119,126,159,1...[Details]
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The microcontroller source program is as follows: #include reg52.h #include"MLX906.h" #include"LCD1602.h" #include"EEPROM.h" #include"I2C.h" #include"WT558D.h" #include"USART.h" sbit red =P3^3; sbit...[Details]
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Previously, the industry had predicted that Apple's new product line would take a sudden turn, dropping a bombshell on an industry that was well-established but uninspired and unprepared. However, th...[Details]
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Mechanical mud density meters need to be tested for discrimination, which is also called sensitivity limit. It mainly checks the integrity of the knife edge and knife bearing of the mechanical mud den...[Details]
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1 Introduction
USB (Universal Serial Bus) is one of the most successful interfaces in the history of PC. It has not only become a standard interface for PC, but also developed into a standard ...[Details]
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1 Ways to detect event occurrence: polling and interruption
2 S3C2440 abnormal interrupt system block diagram
An interrupt is a type of exception.
Switching betwe...[Details]
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With the popularity of AirPods, the global TWS headset market has begun to show explosive growth. The demand for branded TWS headsets, led by Apple AirPods, is increasing. Both the AirPods that we ha...[Details]
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1 Introduction
The measurement and monitoring of electrical parameters is
an important part of
the power
system. Starting from the engineering practice of the test system, t...[Details]
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To learn here, you must first understand the basic information of SD card: The SD card protocol has too many parts and is quite complicated. The recommended document is: "Simplified_Physical_...[Details]
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1. Problem Statement
"Fuses are outdated!" This statement seems to make sense, but it is also a practical technical problem. Indeed, in the past decade or so, the use of low-voltage fuses ...[Details]
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In recent years, major smart controller companies have extended their business into the upstream IC field through acquisitions. In 2014, Jiangsu Xiechang Electronic Technology Co., Ltd. (hereinafter ...[Details]
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When we were investigating the level of informatization in the traditional medical industry, we often found such phenomena. Since medical staff often work on the move, when we called their landlines, ...[Details]
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According to Roland Quandt of foreign media WinFuture, Qualcomm seems to be developing a cheap processor based on Snapdragon 888 (SM8350), code-named SM8325, which does not support 5G modem. ...[Details]
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introduction
In modern industrial control and some intelligent instruments, more and more places need to use dot matrix graphic displays to display Chinese characters. The usual way to display...[Details]
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On October 23, Wuhan Weilai Energy Co., Ltd. ("NIO Energy") signed a cooperation agreement with Wuhan Shouyi Technology Innovation Investment Development Group Co., Ltd. ("Shouyi Technology Innovat...[Details]
Integrated technical exchanges
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